# List of minor planet discoverers

This is a list of minor-planet discoverers credited by the Minor Planet Center with the discovery of one or several minor planets (such as near-Earth and main-belt asteroids, Jupiter trojans and distant objects). As of January 2022, the discovery of 612,011 numbered minor planets are credited to 1,141 astronomers and 253 observatories, telescopes or surveys (see § Discovering dedicated institutions).
On how a discovery is made, see observations of small Solar System bodies. For a description of the tables below, see § Notes.

## Discovering astronomers

| Astronomer | Discoveries | DOB–DOD | Link-label; info, links, and notes | Name(s) at MPC | Cite |
| Hiroshi Abe (astronomer) | 28 | 1958–pres. | H. Abe; | H. Abe | (5379) |
| Masanao Abe | 2 | 1967–pres. | M. Abe; disc: MPC and MPC | M. Abe | (8926) |
| Mark Abraham (astronomer) | 3 | n.a. | M. Abraham; amateur, Src | M. Abraham | — |
| Christopher Aikman | 4 | 1943–pres. | G. C. L. Aikman; | G. C. L. Aikman | — |
| Makio Akiyama | 16 | 1950–pres. | M. Akiyama; Susono Observatory | M. Akiyama | (4904) |
| Vladimir Albitsky | 10 | 1891–1952 | V. Albitskij; Simeiz Observatory | V. Albitskij | (1783) |
| Gregory Scott Aldering | 4 | 1962–pres. | G. Aldering; | G. Aldering | (26533) |
| Mike Alexandersen | 1 | n.a. | M. Alexandersen; | M. Alexandersen | — |
| Manuel Díaz Alfaro | 1 | n.a.–pres. | M. D. Alfaro; National Solar Observatory | M. Diaz-Alfaro | — |
| Ana Sofia Paulino-Afonso | 1 | n.a.–pres. | A. S. Paulino-Afonso; | A. Afonso | — |
| Heikki A. Alikoski | 13 | 1912–1997 | H. Alikoski; Turku Obs. | H. Alikoski | (1567) |
| Éric J. Allen | 1 | n.a. | É. J. Allen; | E. J. Allen | — |
| Rhiannon Lynne Allen | 5 | n.a. | R. L. Allen; R. Lynne Jones | R. L. Allen; L. Allen | (10297) |
| Martin Altmann | 10 | n.a. | M. Altmann; ARI-Gaia, first disc: (552651) | M. Altmann | — |
| Jeff T. Alu | 24 | 1966–pres. | J. Alu; amateur | J. Alu | (4104) |
| Larissa Souza Amaral | 1 | n.a.–pres | L. S. Amaral; | L. S. Amaral | — |
| Leonard L. Amburgey | 2 | 1945–pres. | L. L. Amburgey; amateur, disc: MPC and MPC | L. L. Amburgey | — |
| Joe Anderson (astronomer) | 7 | n.a. | J. Anderson; , co-disc. w/ #C. Veillet | J. Anderson | — |
| A. David Andrews | 1 | 1933–pres. | A. D. Andrews; | A. D. Andrews | — |
| James Annis | 1 | n.a.–pres. | J. Annis; Fermilab | J. Annis | — |
| Milan Antal | 17 | 1935–1999 | M. Antal; | M. Antal | (6717) |
| Plinio Antolini | 4 | 1920–2012 | P. Antolini; amateur, (bio-it) | P. Antolini | — |
| Pierre Antonini | 35 | 1933–pres. | P. Antonini; amateur | P. Antonini | (12580) |
| Masakatsu Aoki | 2 | 1957–pres. | M. Aoki; amateur; unrelated to 5337 | M. Aoki | — |
| Rolf Apitzsch | 89 | 1943–pres. | R. Apitzsch; amateur, (bio-de) | R. Apitzsch | (29214) |
| Masaru Arai | 45 | 1952–pres. | M. Arai; amateur | M. Arai | (21082) |
| Genichi Araki | 1 | 1954–pres. | G. Araki; amateur, (bio-it) | G. Araki | (12456) |
| Hiroshi Araki | 3 | 1935–pres. | H. Araki; unrelated to 4718 | H. Araki | — |
| Sylvain Arend | 51 | 1902–1992 | S. Arend; | S. J. Arend | (1502) |
| Claire Armstrong | 1 | n.a. | C. Armstrong; amateur, wife of M. Armstrong | C. Armstrong | (15967) |
| James D. Armstrong | 1 | n.a. | J. D. Armstrong; | J. D. Armstrong | — |
| Mark Armstrong (astronomer) | 2 | 1958–pres. | M. Armstrong; amateur, husband of C. Armstrong, unrelated to 6469 | M. Armstrong | — |
| Atsuo Asami | 12 | n.a. | A. Asami; | A. Asami | — |
| David J. Asher | 10 | 1966–pres. | D. J. Asher; | D. J. Asher | (6564) |
| Georges Attard | 1 | 1957–pres. | G. Attard; amateur | G. Attard | (37865) |
| Karl Augustesen | 6 | 1945–pres. | K. Augustesen; | K. Augustesen | (5171) |
| Walter Baade | 10 | 1893–1960 | W. Baade; | W. Baade | (1501) |
| Ulrika Babiaková | 14 | 1976–2002 | U. Babiaková; | U. Babiakova | (32531) |
| Paolo Bacci | 1 | 1968–pres. | P. Bacci; amateur; (bio-it) | P. Bacci | (108205) |
| Hannes Bachleitner | 2 | 1965–pres. | H. Bachleitner; also Johannes Bachleitner, amateur, disc: MPC and MPC | H. Bachleitner | (172932) |
| Solon Irving Bailey | 1 | 1854–1931 | S. I. Bailey; unrelated to 449922 | S. I. Bailey | — |
| David D. Balam | 56 | n.a. | D. D. Balam; | D. D. Balam | (3749) |
| Loren C. Ball | 108 | 1948–pres. | L. Ball; amateur | L. Ball | (16095) |
| Thomas J. Balonek | 9 | n.a. | T. J. Balonek; | T. J. Balonek; T. Balonek | — |
| Odette Bancilhon | 1 | 1908–1998 | O. Bancilhon; disc: List of minor planets: 1001–2000#333 | O. Bancilhon | (1713) |
| Susan Banh | 1 | n.a. | S. Banh; (bio-it) | S. Banh | — |
| Nigel P. Bannister | 1 | n.a. | N. P. Bannister; University of Leicester | N. P. Bannister | — |
| Yoshiaki Banno | 1 | 1952–1991 | Y. Banno; | Y. Banno | (3394) |
| Evelin Bányai | 1 | n.a. | E. Bányai; | E. Banyai | — |
| Cesare Barbieri | 11 | 1942–pres. | C. Barbieri; | C. Barbieri | (13992) |
| Fabio Barblan | 1 | n.a.–pres. | F. Barblan; | F. Barblan | — |
| John C. Barentine | 6 | 1976–pres. | J. C. Barentine; John Caleb Barentine | J. C. Barentine | (14505) |
| Kristina M. Barkume | 1 | n.a. | K. M. Barkume; (bio-it) | K. M. Barkume | — |
| Adam Barr | 1 | n.a.–pres. | A. Barr; | A. Barr | — |
| Ewan Barr | 5 | n.a. | E. Barr; (bio-it) | E. Barr | — |
| Sergio Barros | 7 | n.a. | S. Barros; (bio-it) | S. Barros | — |
| Sandro Bartolini | 1 | 1974–pres. | S. Bartolini; unrelated to 12399 | S. Bartolini | (11337) |
| Maria A. Barucci | 3 | n.a. | M. A. Barucci; disc: MPC, MPC and MPC | M. A. Barucci; M. Barucci | (3485) |
| James Bauer (astronomer) | 1 | 1968–pres. | J. Bauer; James M. Bauer, James "Gerbs" Bauer | J. Bauer | (16232) |
| Ivo Baueršíma | 1 | 1931–pres. | I. Baueršíma; (bio-de) | I. Bauersima | — |
| Johann M. Baur | 15 | 1930–2007 | J. M. Baur; amateur, (bio-de) | J. M. Baur | (11673) |
| David E. Beatty | 1 | n.a. | D. Beatty; (bio-it); unrelated to 2925 | D. Beatty | — |
| Thomas G. Beatty | 1 | n.a. | T. G. Beatty; | T. G. Beatty | — |
| D. Beaver | 1 | n.a. | D. Beaver; amateur, co-discoverer with J. Dellinger at Needville, TX | D. Beaver | — |
| Andrew C. Becker | 644 | 1973–pres. | A. C. Becker; (bio-it) | A. C. Becker; A. Becker | (5280) |
| Jim Bedient | 8 | n.a. | J. Bedient; | J. Bedient | — |
| E. S. Beeson | 1 | n.a. | E. S. Beeson; unrelated to 5241 | E. S. Beeson | — |
| Raoul Behrend | 14 | 1964–pres. | R. Behrend; (bio-fr) | R. Behrend | (18874) |
| Bruce Edward Behymer | 1 | 1983–pres. | B. E. Behymer; (bio-it) | B. E. Behymer | — |
| Sergey Belyavsky | 36 | 1883–1953 | S. Belyavskyj; | S. Beljavskij | — |
| Graham E. Bell | 57 | n.a. | G. Bell; | G. Bell | — |
| Federico Bellini | 1 | n.a. | F. Bellini; (bio-it), unrelated to 18509 | F. Bellini | — |
| Yuri A. Belyaev | 7 | n.a. | Yu. A. Belyaev; it:Jurij A. Beljaev, fr:Iouri Beliaïev, unrelated to 2030 | Yu. A. Belyaev | — |
| Zouhair Benkhaldoun | 1 | 1959–pres. | Z. Benkhaldoun; (bio-de) | Z. Benkhaldoun | (133892) |
| Denis Bergeron | 2 | 1956–pres. | D. Bergeron; (bio-it) | D. Bergeron | — |
| Fabrizio Bernardi | 23 | 1972–pres. | F. Bernardi; | F. Bernardi | (27983) |
| Laurent Bernasconi | 41 | 1966–pres. | L. Bernasconi; amateur, (bio-fr) | L. Bernasconi | (13793) |
| K. Berney | 1 | n.a. | K. Berney; | K. Berney | — |
| Gary M. Bernstein | 3 | n.a. | G. Bernstein; C/2014 UN271, UPenn | G. Bernstein | — |
| Emanuel Bettelheim | 1 | n.a. | E. Bettelheim; | E. Bettelheim | — |
| Francesco Biasci | 1 | n.a. | F. Biasci; | F. Biasci | — |
| Wolf Bickel | 852 | 1942–pres. | W. Bickel; amateur | W. Bickel | (4324) |
| Jamie Biggs | 1 | n.a. | J. Biggs; | J. Biggs | — |
| Guillaume Bigourdan | 1 | 1851–1932 | G. Bigourdan; disc: 390 | G. Bigourdan | — |
| Harald Bill | 1 | 1964–pres. | H. Bill; amateur | H. Bill | (196035) |
| Gary W. Billings | 6 | n.a. | G. W. Billings; amateur, (bio-fr) | G. W. Billings | (73703) |
| Richard P. Binzel | 3 | 1958–pres. | R. P. Binzel; | R. P. Binzel | (2873) |
| Kurt Birkle | 9 | 1939–2010 | K. Birkle; (bio-de) | K. Birkle | (4803) |
| Mirel Bîrlan | 2 | 1963–pres. | M. Birlan; (bio-ro), co-disc. w/ #O. Vaduvescu | M. Birlan | (10034) |
| Peter Birtwhistle | 94 | 1958–pres. | P. Birtwhistle; amateur, Src | P. Birtwhistle | (65100) |
| Manolo Blasco | 5 | n.a. | M. Blasco; (bio-it) | M. Blasco | — |
| Laurent Blind | 1 | 1965–pres. | L. Blind; | C. R. L. Blind; L. Blind | (90533) |
| Adam Block (astrophotographer) | 1 | 1973–pres. | A. Block; (bio-it) | A. Block | (172525) |
| Andrea Boattini | 296 | 1969–pres. | A. Boattini; | A. Boattini | (8925) |
| Hermann Boehnhardt | 1 | n.a. | H. Boehnhardt; | H. Boehnhardt | — |
| Andreas Boeker | 2 | 1964–2011 | A. Boeker; amateur, disc: MPC and MPC, (bio-it), | A. Boeker | (29483) |
| Michel Bœuf | 12 | n.a. | M. Boeuf; (bio-it), HP | M. Boeuf | — |
| Henri M. J. Boffin | 11 | n.a. | H. Boffin; | H. M. J. Boffin; H. Boffin | — |
| Alfred Bohrmann | 9 | 1904–2000 | A. Bohrmann; | A. Bohrmann | (1635) |
| Tom Boles | 1 | 1944–pres. | T. Boles; amateur | T. Boles | (7648) |
| Dennis Borgman | 1 | 1952–pres. | D. Borgman; | D. Borgman | (95219) |
| Gennadiy Borisov | 1 | 1962–pres. | G. Borisov; discovered 2I/Borisov | G. Borisov | — |
| Freimut Börngen | 538 | 1930–2021 | F. Börngen; | F. Borngen | (3859) |
| Alphonse Borrelly | 18 | 1842–1926 | A. Borrelly; | A. Borrelly | (1539) |
| Josep Maria Bosch | 7 | n.a. | J. M. Bosch; amateur, also see (266983) | J. M. Bosch | — |
| Grégoire Bourban | 4 | n.a. | G. Bourban; disc: MPC and MPC | G. Bourban | — |
| Paul Bourgeois | 1 | 1898–1974 | P. Bourgeois; (bio-it) | P. Bourgeois | (1543) |
| Edward L. G. Bowell | 571 | 1943–pres. | E. Bowell; | E. Bowell | (2246) |
| Louis Boyer (astronomer) | 40 | 1901–1999 | L. Boyer; | L. Boyer | (1215) |
| Richard P. Boyle | 30 | 1943–pres. | R. P. Boyle; disc: MPC and MPC, Src Archived 29 March 2022 at the Wayback Machine | R. P. Boyle; R. P. Boyl | (302849) |
| Joseph L. Brady | 1 | n.a. | J. L. Brady; (bio-it) | J. L. Brady | — |
| Nigel Brady (astronomer) | 7 | n.a. | N. Brady; | N. Brady | — |
| Steve Brady (astronomer) | 2 | n.a. | S. Brady; disc: MPC and MPC, (bio-it) | S. Brady | — |
| Alexis Brandeker | 4 | 1974–pres. | A. Brandeker; | A. Brandeker | — |
| Vanja Brcic | 2 | n.a. | V. Brcic; (bio-it) | V. Brcic | — |
| John Broughton | 1189 | 1952–pres. | J. Broughton; amateur | J. Broughton | (24105) |
| Jeffery A. Brown | 1 | n.a. | J. A. Brown; Src | J. A. Brown | — |
| Michael E. Brown | 29 | 1965–pres. | M. E. Brown; | M. E. Brown | (11714) |
| Timothy Brown (astronomer) | 1 | n.a.–pres. | T. Brown; University of Colorado | T. Brown | — |
| Ladislav Brožek | 23 | 1952–pres. | L. Brožek; | L. Brozek | — |
| Jim Bruton | 2 | n.a. | J. Bruton; James Bruton, disc: MPC and MPC, Src | J. Bruton | — |
| Dan Bruton | 5 | 1967–pres. | W. D. Bruton; (bio-fr) | W. D. Bruton | — |
| Jacobus Albertus Bruwer | 4 | 1915–pres. | J. A. Bruwer; (bio-it) | J. A. Bruwer | (1811) |
| Emil Buchar | 1 | 1901–1979 | E. Buchar; (bio-it) | E. Buchar | (3141) |
| Marc Buie | 1132 | 1958–pres. | M. W. Buie; | M. W. Buie | (7553) |
| Christian Buil | 5 | n.a. | C. Buil; amateur, (bio-fr) | C. Buil | (6820) |
| Todd Burdullis | 1 | n.a. | T. Burdullis; CFHT Src | T. Burdullis | — |
| Geoffrey Burks | 1 | n.a. | G. Burks; | G. Burks | — |
| Matthew R. Burleigh | 1 | n.a. | M. R. Burleigh; | M. R. Burleigh | — |
| Bella A. Burnasheva | 13 | 1944–pres. | B. A. Burnasheva; | B. A. Burnasheva | (4427) |
| Robert Burnham Jr. | 1 | 1931–1993 | R. Burnham; | R. Burnham | (3467) |
| Joseph A. Burns | 1 | 1941–pres. | J. A. Burns; | J. A. Burns | (2708) |
| Schelte J. Bus | 1683 | 1956–pres. | S. J. Bus; | S. J. Bus | (3254) |
| Matthias Busch | 13 | 1968–pres. | M. Busch; amateur Src and Src | M. Busch | (7687) |
| Philippe Buttani | 1 | 1966–pres. | P. Buttani; amateur, (bio-fr) | P. Buttani | (18167) |
| Eric Buttini | 1 | n.a.–pres. | E. Buttini; | E. Buttini | — |
| Luca Buzzi | 1 | 1982–pres. | L. Buzzi; amateur, (bio-it) | L. Buzzi | (6517) |
| Rodolfo Calanca | 1 | 1953-2021 | R. Calanca; (bio-it) | R. Calanca | — |
| R. Campbell (astronomer) | 1 | n.a. | R. Campbell; (545933), (obs.697) | R. Campbell | — |
| Michael P. Candy | 3 | 1928–1994 | M. P. Candy; (bio-it) | M. P. Candy | (3015) |
| Albino Carbognani | 1 | 1965–pres. | A. Carbognani; | A. Carbognani | (27269) |
| Luigi Carnera | 16 | 1875–1962 | L. Carnera; | L. Carnera | (39653) |
| Don W. Carona | 1 | n.a. | D. W. Carona; | D. W. Carona | — |
| Alfredo Caronia | 4 | n.a. | A. Caronia; (bio-it) | A. Caronia | — |
| Rafael Carrasco Garrorena | 1 | 1902–1981 | R. Carrasco; (bio-it), unrelated to 4171 | R. Carrasco | — |
| Uri Carsenty | 1 | 1949–pres. | U. Carsenty; (bio-fr) | U. Carsenty | (13333) |
| Claudio Casacci | 8 | 1958–pres. | C. Casacci; | C. Casacci | (4814) |
| James Len Casady | 3 | n.a. | L. Casady; | L. Casady | — |
| Ferrán Casarramona | 2 | n.a. | F. Casarramona; (bio-it) | F. Casarramona | — |
| Ricard Casas (astronomer) | 2 | n.a. | R. Casas; (bio-it) | R. Casas | — |
| Flavio Castellani | 6 | n.a. | F. Castellani; (bio-it) | F. Castellani | — |
| Victor Casula | 2 | n.a.–pres. | V. Casula; | V. Casula | — |
| Vincenzo Silvano Casulli | 200 | 1944–2018 | V. S. Casulli; amateur | V. S. Casulli | (7132) |
| Gabriele Cattani | 18 | n.a. | G. Cattani; | G. Cattani | — |
| Cyril Cavadore | 5 | 1969–pres. | C. Cavadore; (bio-it) | C. Cavadore | (9811) |
| Marco Cavagna | 19 | 1958–2005 | M. Cavagna; amateur | M. Cavagna | (10149) |
| G. Cavalletti | 1 | n.a. | G. Cavalletti; | G. Cavalletti | — |
| Anthony J. Cecce | 18 | n.a. | A. J. Cecce; (bio-fr) | A. J. Cecce | — |
| Vasco Cecchini | 2 | 1932–2023 | V. Cecchini; amateur, (bio-it) | V. Cecchini | (13798) |
| Edvardas Černis | 1 | n.a. | E. Černis; | E. Cernis | — |
| Kazimieras Černis | 154 | 1958–pres. | K. Černis; | K. Cernis; K. Černis | — |
| Vincenzo Cerulli | 1 | 1859–1927 | V. Cerulli; disc: MPC | V. Cerulli | (31028) |
| Carlos Ulrrico Cesco | 19 | 19XX–1987 | C. U. Cesco; | C. U. Cesco | (1571) |
| Mario R. Cesco | 6 | n.a. | M. R. Cesco; son of C. U. Cesco, (bio-it) | M. R. Cesco | — |
| Brian C. Chaboyer | 1 | n.a. | B. Chaboyer; IAU | B. Chaboyer | — |
| Jean Chacornac | 6 | 1823–1873 | J. Chacornac; | J. Chacornac | (1622) |
| Marcus Tristan Chamberlin | 2 | n.a. | M. T. Chamberlin; disc: MPC, unrelated to 9250 | M. T. Chamberlin | — |
| Zhang Jiaxiang | 1 | 1932–2019 | C.-H. Chang; | C.-H. Chang | (4760) |
| Man-Ti Chang | 5 | n.a. | M.-T. Chang; | M.-T. Chang | — |
| Zhāng Yùzhé | 1 | 1902–1986 | Y. C. Chang; | Y. C. Chang | (2051) |
| Auguste Charlois | 99 | 1864–1910 | A. Charlois; | A. Charlois | (1510) |
| Robin Chassagne | 1 | 1962–pres. | R. Chassagne; (bio-it) | R. Chassagne | (15037) |
| Robert Chemin | 1 | n.a. | R. Chemin; (bio-it) | R. Chemin | (3913) |
| Jun Chen (astronomer) | 11 | n.a. | J. Chen; | J. Chen | — |
| Tao Chen (astronomer) | 3 | 1980–pres. | T. Chen; disc: MPC, Chen Tao, 陈韬 (天文学家) (bio-it), (bio-zh) | T. Chen | (19873) |
| Y.-C. Cheng | 1 | n.a. | Y.-C. Cheng; | Y.-C. Cheng | — |
| Lyudmila Chernykh | 267 | 1935–2017 | L. I. Chernykh; Ludmila I. Chernykh | L. I. Chernykh | (2325) |
| Nikolai Chernykh | 537 | 1931–2004 | N. S. Chernykh; Nikolai Stepanovich Chernykh | N. S. Chernykh | (2325) |
| Dennis K. Chesney | 38 | n.a. | D. K. Chesney; | D. K. Chesney | — |
| Dmitry Chestnov | 23 | n.a. | D. Chestnov; Dmitrij Nikolaevič Čestnov | D. Chestnov; D. N. Chestnov | — |
| Eugene Chiang | 1 | 1973–pres. | E. Chiang; (bio-it) | E. Chiang | — |
| Paolo Chiavenna | 15 | n.a. | P. Chiavenna; | P. Chiavenna | — |
| Jack B. Child | 13 | 1951–pres. | J. B. Child; (bio-fr) | J. B. Child | (4580) |
| K.-J. Choo | 1 | n.a. | K.-J. Choo; | K.-J. Choo | — |
| Per Rex Christensen | 1 | n.a. | P. R. Christensen; (bio-it) | P. R. Christensen | — |
| Bernard Christophe | 96 | n.a. | B. Christophe; amateur, (bio-fr) | B. Christophe | — |
| Joseph Churms | 2 | 1926–1994 | J. Churms; disc: MPC and MPC, (bio-it) | J. Churms | — |
| Jacqueline Ciffréo | 1 | n.a. | J. Ciffréo; disc: 108P/Ciffréo; (fr) | J. Ciffreo | — |
| James L. Clem | 1 | n.a. | J. L. Clem; CV Archived 25 September 2022 at the Wayback Machine | J. L. Clem | — |
| Roy Clingan | 64 | 1950–pres. | R. Clingan; amateur, (bio-it) | R. Clingan | (33747) |
| Edwin Foster Coddington | 3 | 1870–1950 | E. F. Coddington; | E. F. Coddington | — |
| S. Cofré | 11 | n.a. | S. Cofré; | S. Cofre | — |
| Jérôme Eugène Coggia | 5 | 1849–1919 | J. Coggia; | J. Coggia | — |
| Seth M. Cohen | 1 | n.a. | S. Cohen; unrelated to MPC | S. Cohen | — |
| Robert Francis Coker | 4 | n.a. | R. Coker; (bio-it) | R. Coker | — |
| François Colas | 2 | 1959–pres. | F. Colas; (bio-it) | F. Colas | (9553) |
| Simon Collander-Brown | 2 | n.a. | S. Collander-Brown; disc: MPC, Src | S. Collander-Brown | — |
| Matthew Collier (astronomer) | 2 | n.a. | M. Collier; disc: MPC, unrelated to MPC, (bio-fr) | M. Collier | — |
| Michael Collins (astronomer) | 51 | n.a. | M. Collins; Myke Collins, unrelated to MPC, (bio-fr) | M. Collins | — |
| Ermes Colombini | 4 | 1956–pres. | E. Colombini; amateur, mentioned: MPC | E. Colombini | (7030) |
| Juan Pablo Colque | 1 | n.a. | J. P. Colque; Juan Pablo Colque Saavedra, co-disc. w/ #F. Pozo | J. P. Colque | — |
| Enrico Colzani | 1 | 1956–pres. | E. Colzani; amateur, Gruppo Astrofili Brianza (bio-it) | E. Colzani | (79847) |
| Josep Comas i Solà | 11 | 1868–1937 | J. Comas i Solà; | J. Comas Sola | (1102), (1655) |
| Paul G. Comba | 691 | 1926–2017 | P. G. Comba; amateur | P. G. Comba | (7636) |
| Martin Connors | 1 | 1954–pres. | M. Connors; | M. Connors | (13700) |
| Luca Conversi | 1 | n.a. | L. Conversi; | L. Conversi | — |
| Walter R. Cooney Jr. | 47 | 1962–pres. | W. R. Cooney Jr.; amateur | W. R. Cooney Jr. | (35365) |
| Pablo Cottenot | 1 | n.a. | P. Cottenot; disc: MPC | P. Cottenot | — |
| Fernand Courty | 2 | 1862–1921 | F. Courty; disc: MPC and MPC | F. Courty | — |
| Philip Herbert Cowell | 1 | 1870–1949 | P. H. Cowell; | P. H. Cowell | (1898) |
| Greg Crawford | 3 | n.a. | G. Crawford; at Bagnall Beach Observatory, unrelated to 7327 | G. Crawford | — |
| Lucy D. Crespo da Silva | 1 | 1978–2000 | L. Crespo da Silva; Lucy d'Escoffier Crespo da Silva, (bio-it) | L. Crespo da Silva | (96747) |
| Kiyoshi Kurosu | 2 | 1965–pres. | K. Cross; disc: MPC and MPC, (bio-it) | K. Cross | — |
| Callie Crowder | 1 | ~1995–pres. | C. Crowder; | C. Crowder | — |
| Alex Cruz (astronomer) | 2 | n.a. | A. Cruz; amateur, disc: MPC and MPC, unrelated to 21502, (bio-it) | A. Cruz | — |
| Balázs Csák | 3 | 1979–pres. | B. Csák; disc: MPC and MPC, (bio-it) | B. Csak | — |
| Tibor Csörgei | 1 | 1972–pres. | T. Csörgei; | T. Csorgei | (270472) |
| Ignacio de la Cueva | 3 | n.a. | I. d. l. Cueva; C85 | I. d. l. Cueva | — |
| Steve Cullen | 1 | n.a. | S. Cullen; LightBuckets | S. Cullen | — |
| Leland E. Cunningham | 4 | 1904–1989 | L. E. Cunningham; Leland Erskin Cunningham | L. E. Cunningham | (1754) |
| Heber Doust Curtis | 1 | 1872–1942 | H. D. Curtis; unrelated to 3621 | H. D. Curtis | — |
| Karl F. J. Cwach | 1 | n.a. | K. F. J. Cwach; amateur, (bio-it) | K. F. J. Cwach | — |
| Germano D'Abramo | 3 | 1973–pres. | G. D'Abramo; | G. D'Abramo | (16154) |
| Heinrich Louis d'Arrest | 1 | 1822–1875 | H. d'Arrest; disc: MPC | H. d'Arrest | (9133) |
| Ivano Dal Prete | 1 | n.a. | I. Dal Prete; amateur, (bio-it) | I. Dal Prete | — |
| Gergely Dálya | 1 | n.a. | G. Dálya; | G. Dalya | — |
| Nichole M. Danzl | 6 | n.a. | N. Danzl; (bio-it) | N. Danzl | (10720) |
| Juliet C. Datson | 3 | 1980–pres. | J. C. Datson; Juliet Clare Datson, assumed GER nat' | J. C. Datson | (202736) |
| E.-M. David | 1 | n.a. | E.-M. David; | E.-M. David | — |
| Donald R. Davis (astronomer) | 2 | n.a. | D. Davis; | D. Davis | (3638) |
| Richard G. Davis | 4 | n.a. | R. G. Davis; (bio-fr) | R. G. Davis | — |
| B. C. Dawson | 1 | n.a. | B. C. Dawson; assumed | B. C. Dawson | — |
| Matt Dawson (astronomer) | 6 | 1959–pres. | M. Dawson; amateur, Src | M. Dawson | (13750) |
| Denis Denisenko | 1 | 1971–pres. | D. Denisenko; | D. Denisenko | — |
| Leo Anton Karl de Ball | 1 | 1853–1916 | K. de Ball; disc: MPC | K. de Ball | — |
| Peter De Cat | 23 | n.a. | P. De Cat; (bio-it) | P. De Cat; P. D. Cat | — |
| Annibale de Gasparis | 9 | 1819–1892 | A. de Gasparis; | A. de Gasparis | (4279) |
| David R. De Graff | 2 | n.a. | D. R. De Graff; disc: MPC and MPC, (bio-it) | D. R. DeGraff | — |
| Fiore De Luise | 3 | 1977–pres. | F. De Luise; Campo Imperadore | F. D. Luise | (84012) |
| Miguel de Pascual Martínez | 1 | n.a. | M. de Pascual; disc: MPC, (bio-it) | M. de Pascual | — |
| Patrick Martinez (astronomer) | 2 | n.a. | P. Martinez; CV, Src | P. Martinez | — |
| José De Queiroz | 3 | 1954–pres. | J. De Queiroz; amateur | J. De Queiroz; J. D. Queiroz | (72042) |
| Charles P. de Saint-Aignan | 12 | 1977–pres. | C. P. de Saint-Aignan; | C. P. de Saint-Aignan | (5995) |
| Giovanni de Sanctis | 42 | 1949–pres. | G. DeSanctis; | G. De Sanctis | (3268) |
| James A. DeYoung | 1 | n.a. | J. DeYoung; USNO-astronomer,Src Archived 5 September 2014 at the Wayback Machine (bio-it) | J. DeYoung | — |
| Henri Debehogne | 743 | 1928–2007 | H. Debehogne; | H. Debehogne | (2359) |
| Catherine E. Delahodde | 1 | 1974–pres. | C. E. Delahodde; | C. E. Delahodde | (15008) |
| Ian dell'Antonio | 10 | n.a. | I. dell'Antonio; Ian P. dell'Antonio, Deep Lens Survey | I. Dell'Antonio; I. DellAntonio | — |
| Joseph A. Dellinger | 83 | 1961–pres. | J. Dellinger; amateur, (bio-it) | J. Dellinger | (78392) |
| Eugène Joseph Delporte | 66 | 1882–1955 | E. Delporte; | E. Delporte | (1274) |
| Audrey C. Delsanti | 2 | 1976–pres. | A. C. Delsanti; disc: MPC and MPC. Src | A. C. Delsanti; A. Dalsanti | — |
| Christophe Demeautis | 13 | n.a. | C. Demeautis; amateur, (bio-fr) | C. Demeautis | (14141) |
| Alíz Derekas | 3 | 1977–pres. | A. Derekas; (bio-it) | A. Derekas | — |
| Alexander Nikolaevich Deutsch | 1 | 1901–1986 | A. Deutsch; Aleksandr Nikolaevič Dejč, disc: MPC | A. Deutsch | — |
| Harlan Devore | 1 | n.a. | H. Devore; (bio-it) | H. Devore | — |
| Dennis di Cicco | 60 | 1950–pres. | D. di Cicco; | D. di Cicco | (3841) |
| Aldo Di Clemente | 1 | 1948–pres. | A. Di Clemente; amateur | A. Di Clemente | (91214) |
| Mario Di Martino | 2 | 1947–pres. | M. Di Martino; Turin Observatory | M. Di Martino | (3247) |
| Andrea Di Paola | 20 | 1970–pres. | A. Di Paola; | A. Di Paola; A. D. Paola | (27130) |
| Mario Di Sora | 5 | 1961–pres. | M. Di Sora; amateur, (bio-it) | M. Di Sora; M. DiSora | (21999) |
| Wilhelm Dieckvoß | 2 | 1908–1982 | W. Dieckvoß; disc: MPC and MPC, (bio-de) | W. Dieckvoss | (1706) |
| Elizabeth R. Dillon | 1 | n.a. | E. R. Dillon; amateur, (bio-it) | E. R. Dillon | (78393) |
| William G. Dillon | 58 | 1957–pres. | W. G. Dillon; (bio-it) | W. G. Dillon | (78393) |
| Alessandro Dimai | 1 | 1962–2019 | A. Dimai; amateur, (bio-it) | A. Dimai | (25276) |
| Bojan Dintinjana | 1 | n.a. | B. Dintinjana; | B. Dintinjana | — |
| David S. Dixon | 25 | 1947–pres. | D. S. Dixon; amateur, at Jornada Observatory (715), (bio-it) | D. S. Dixon | (51741) |
| Petar Đurković | 2 | 1908–1981 | P. Đurković; see DMP | P. Djurkovic | — |
| Jerzy Dobrzycki | 1 | 1927–2004 | J. Dobrzycki; disc: MPC, (bio-it) | J. Dobrzycki | — |
| Fabio Dolfi | 3 | 1966–pres. | F. Dolfi; amateur | F. Dolfi | (26177) |
| Sauro Donati | 22 | 1959–pres. | S. Donati; amateur, (bio-it) | S. Donati | (69977) |
| Alain Doressoundiram | 2 | 1968–pres. | A. Doressoundiram; (bio-fr) | A. Doressoundiram | (7456) |
| Eric Dose | 2 | n.a. | E. Dose; Farpoint | E. Dose | — |
| François Dossin | 5 | 1927–1998 | F. Dossin; (bio-fr) | F. Dossin | — |
| Adam Draginda | 2 | n.a. | A. Draginda; CFHT | A. Draginda | — |
| Luiz Duczmal | 2 | n.a. | L. Duczmal; Luiz Henrique Duczmal, disc: MPC and MPC, (bio-it) | L. Duczmal | — |
| Raymond Smith Dugan | 16 | 1878–1940 | R. S. Dugan; | R. S. Dugan | (2772) |
| R. Scott Dunbar | 10 | n.a. | R. S. Dunbar; Roy Scott Dunbar, (bio-it) | R. S. Dunbar; S. Dunbar | (3718) |
| A. Dunlap-Smith | 1 | n.a. | A. Dunlap-Smith; | A. Dunlap-Smith | — |
| A. Dunn | 1 | n.a. | A. Dunn; inferred, unrelated to MPC | A. Dunn | — |
| Philippe Dupouy | 2 | 1952–pres. | P. Dupouy; amateur, (bio-it) | P. Dupouy; C. R. P. Dupouy | (214485) |
| Douglas Tybor Durig | 52 | 1961–pres. | D. T. Durig; (bio-it) | D. T. Durig | — |
| Chris F. Durman | 1 | n.a. | C. F. Durman; (bio-it), discovery with Bev M. Ewen-Smith | C. F. Durman | — |
| Wolfgang J. Duschl | 1 | n.a. | W. J. Duschl; | W. J. Duschl | — |
| Marino Dusić | 2 | n.a. | M. Dusić; disc: MPC and MPC, (bio-de) | M. Dusic | — |
| Gzregorz Duszanowicz | 1 | n.a. | G. Duszanowicz; | G. Duszanowicz | — |
| Ron Dyvig | 1 | n.a. | R. Dyvig; (bio-it) | R. Dyvig | — |
| Max Eastman (astronomer) | 9 | n.a. | M. Eastman; amateur, (735), Src | M. Eastman | — |
| J. Edmonds | 1 | n.a. | J. Edmonds; inferred | J. Edmonds | — |
| Ilgmārs Eglītis | 29 | 1951–pres. | I. Eglītis; (bio-fr) | I. Eglitis; I. Egliti | (320153) |
| Norbert Ehring | 5 | 1937–pres. | N. Ehring; amateur, (bio-de), | N. Ehring | — |
| Leonid Elenin | 122 | 1981–pres. | L. Elenin; amateur | L. Elenin | — |
| James L. Elliot | 29 | 1943–2011 | J. L. Elliot; | J. L. Elliot | (3193) |
| Eric Walter Elst | 3870 | 1936–2022 | E. W. Elst; | E. W. Elst; E. Elst | (3936) |
| Gary P. Emerson (astronomer) | 1 | n.a. | G. Emerson; (bio-it), unrelated to 8225 | G. Emerson | — |
| Mark Emmerich | 2 | 1967–pres. | M. Emmerich; amateur, Guidestar (A17), disc: MPC and MPC with Sven Melchert | M. Emmerich | — |
| Kin Endate | 625 | 1960–pres. | K. Endate; amateur | K. Endate | (4282) |
| Emil Ernst | 1 | 1889–1942 | E. Ernst; (bio-de) | E. Ernst | — |
| Gilbert A. Esquerdo | 2 | 1976–pres. | G. A. Esquerdo; disc: MPC and MPC | G. A. Esquerdo | (14026) |
| N. Wyn Evans | 1 | n.a. | W. Evans; Src, unrelated to 3032 | W. Evans | — |
| Bev M. Ewen-Smith | 1 | n.a. | B. M. Ewen-Smith; (bio-it), co-discovery with Chris F. Durman | B. M. Ewen-Smith | — |
| Giancarlo Fagioli | 22 | 1940–pres. | G. Fagioli; amateur, (bio-it) | G. Fagioli | (27959) |
| Norman Falla | 22 | n.a | N. Falla; amateur, (bio-it), Src Archived 19 June 2017 at the Wayback Machine | N. Falla | — |
| Anikó Farkas–Takács | 4 | n.a. | A. Farkas; (546025), Src | A. Farkas | — |
| Tony L. Farnham | 3 | 1964–pres. | T. L. Farnham; disc: MPC, MPC and MPC | T. L. Farnham | (16946) |
| K. L. Faul | 1 | n.a. | K. L. Faul; inferred | K. L. Faul | — |
| Gina Fedon | 3 | n.a. | G. Fedon; (bio-it) | G. Fedon | — |
| James Ferguson (American astronomer) | 3 | 1797–1867 | J. Ferguson; USNO-astronomer,Src Archived 5 September 2014 at the Wayback Machine | J. Ferguson | (1745) |
| Antonio Ferragamo | 1 | n.a. | A. Ferragamo; (Src) | A. Ferragamo | — |
| M. Ferrando | 38 | n.a. | M. Ferrando; co-discoverer with R. Ferrando | M. Ferrando | — |
| Rafael Ferrando | 235 | 1966–pres. | R. Ferrando; | R. Ferrando | (161545) |
| Joan Lluís Ferrer | 1 | n.a. | J. L. Ferrer; C85 | J. L. Ferrer | — |
| Walter Ferreri | 15 | 1948–pres. | W. Ferreri; | W. Ferreri | (3308) |
| Mario A. Ferrero | 2 | 1904–1965 | M. Ferrero; disc: MPC and MPC, (bio-it) | M. Ferrero | (7684) |
| Ignacio Ramón Ferrín Vázquez | 12 | 1943–pres. | I. R. Ferrín; (bio-it) | I. R. Ferrin; I. Ferrin | — |
| Martin Fiedler | 5 | 1978–pres. | M. Fiedler; amateur, (bio-de) | M. Fiedler | — |
| Greg Fisch | 1 | n.a. | G. Fisch; (bio-it) | G. Fisch | — |
| Alan Fitzsimmons | 17 | n.a. | A. Fitzsimmons; (bio-it); (HP and Src) | A. Fitzsimmons; A. Fitzsimons | (4985) |
| Ellen Fletcher | 1 | n.a. | E. Fletcher; inferred Src | E. Fletcher | — |
| Jean-Christophe Le Floch | 1 | 1965–pres. | J.-C. Le Floch; | L. Floch | (145445) |
| Hans Jørn Fogh Olsen | 4 | 1943–pres. | H. J. Fogh Olsen; (bio-it) | H. J. Fogh Olsen | (5323) |
| Sergio Foglia | 3 | 1972–pres. | S. Foglia; amateur, disc: MPC and MPC, related: (197P/LINEAR-it) | S. Foglia | (13147) |
| Wilhelm Julius Foerster | 1 | 1832–1921 | W. Förster; Wilhelm Foerster, MPC-typo: Forster | W. Forster | (6771) |
| Peter Forshay | 2 | n.a. | P. Forshay; inferred; data analyst, at CFHT; co-discoverer #M. Micheli: Src Archived 8 May 2021 at the Wayback Machine | P. Forshay | — |
| Giuseppe Forti | 49 | 1939–2007 | G. Forti; Beppe Forti, at Arcetri Observatory | G. Forti | (6876) |
| Filip Fratev | 28 | 1974–pres. | F. Fratev; founder (A79) | F. Fratev | — |
| Richard Fredrick | 1 | 1953–pres. | R. Fredrick; amateur | R. Fredrick | (41943) |
| T. F. Fric | 1 | n.a. | T. F. Fric; inferred, co-discovery with R. J. Gilbrech | T. F. Fric | — |
| Royal Harwood Frost | 1 | 1879–1950 | R. H. Frost; disc: MPC | R. H. Frost | — |
| Hiroshi Fujii | 2 | n.a. | H. Fujii; wrong person? | H. Fujii | — |
| Tetsuya Fujii | 22 | 1960–pres. | T. Fujii; amateur | T. Fujii | (4343) |
| Yasuhide Fujita | 3 | 1961–pres. | Y. Fujita; amateur, Kuma Kogen Astronomical Observatory | Y. Fujita | (11974) |
| Hideo Fukushima | 2 | 1953–pres. | H. Fukushima; (bio-it) | H. Fukushima | (6345) |
| Gábor Fűrész | 1 | 1978–pres. | G. Fűrész; (bio-it) | G. Furesz | — |
| Toshimasa Furuta | 82 | n.a. | T. Furuta; | T. Furuta | — |
| Nicola Gentile Fusillo | 1 | n.a.–pres. | N. Gentile; ESA; inferred | N. Gentile | — |
| Fumihiko Futaba | 2 | n.a. | F. Futaba; inferred; disc: MPC and MPC | F. Futaba | — |
| Marissa Gahran | 2 | n.a. | M. Gahran; disc MPC and MPC (bio-it) | M. Gahran | — |
| Maksim Maratovich Gabdeev | 1 | n.a. | M. Gabdeev; | M. Gabdeev | — |
| Steven L. Gaiser | 1 | n.a. | S. L. Gaiser; inferred | S. L. Gaiser | — |
| Štefan Gajdoš | 15 | 1959–pres. | Š. Gajdoš; (bio-it) | S. Gajdos; S. Gajdoš | (213636) |
| Avishay Gal-Yam | 1 | 1970–pres. | A. Gal-Yam; (bio-it) | A. Gal-Yam | — |
| Adrián Galád | 81 | 1970–pres. | A. Galád; | A. Galad; A. Galád | (32008) |
| Emanuela Galliani | 1 | n.a. | E. Galliani; amateur, (bio-it) | E. Galliani | — |
| Paul Garossino | 14 | 1953–pres. | P. Garossino; Paul G. A. Garossino | P. Garossino; P. G. A. Garossino | (78394) |
| Gordon J. Garradd | 33 | 1959–pres. | G. J. Garradd; Gordon John Garradd, amateur | G. J. Garradd | (5066) |
| Antonio Garrigós-Sánchez | 1 | 1961–pres. | A. Garrigós-Sánchez; amateur, (B37), Src and Src Archived 10 May 2019 at the Wayback Machine | A. Garrigos | — |
| Bruce L. Gary | 1 | 1939–pres. | Bruce L. Gary; | B. Gary | — |
| Romain Gauderon | 5 | n.a. | R. Gauderon; (bio-it), co-discoveries with R. Behrend | R. Gauderon | — |
| Michael Geffert | 5 | 1953–pres. | M. Geffert; (bio-de), Src, Src, Src Archived 12 December 2018 at the Wayback Machine, not to be confused with Martin Geffert | M. Geffert | (12747) |
| Tom Gehrels | 4661 | 1925–2011 | T. Gehrels; | T. Gehrels | (1777) |
| Teddy George | 1 | n.a. | T. George; Observing Assistant at CFHT during 2003–2008 Src | T. George | — |
| Oleg Geraščenko | 2 | n.a. | O. Geraščenko; Oleg Gerashchenko, (bio-it), first: (120405) | O. Gerashchenko | — |
| Vladimir Gerke | 13 | n.a. | V. Gerke; amateur, Src | V. Gerke | — |
| Herta Gessner | 1 | n.a. | H. Gessner; (bio-it) | H. Gessner | — |
| Pierangelo Ghezzi | 18 | 1956–pres. | P. Ghezzi; amateur, variable stars (bio-it) | P. Ghezzi | (46691) |
| Alex R. Gibbs | 2 | 1967–pres. | A. R. Gibbs; with Catalina Sky Survey, discoverer of comets, disc: MPC, (bio-it) | A. R. Gibbs | (14220) |
| James B. Gibson (astronomer) | 27 | n.a. | J. Gibson; (bio-it) | J. Gibson | (2742) |
| Henry L. Giclas | 17 | 1910–2007 | H. L. Giclas; | H. L. Giclas | (1741) |
| Richard Gierlinger | 43 | 1967–pres. | R. Gierlinger; amateur at (B21), (bio-it) | R. Gierlinger | (136367) |
| Richard J. Gilbrech | 1 | n.a. | R. J. Gilbrech; inferred, co-discovery with T. F. Fric | R. J. Gilbrech | — |
| Alan C. Gilmore | 42 | n.a. | A. C. Gilmore; | A. C. Gilmore | (2537) |
| Ricardo Gil-Hutton | 1 | 1958–pres. | R. Gil-Hutton; co-disc. w/ J. Licandro | R. Gil-Hutton | (4878) |
| Valter Giuliani | 22 | 1960–pres. | V. Giuliani; (bio-it) | V. Giuliani | — |
| Alessio Giunta | 1 | n.a. | A. Giunta; INAF | A. Giunta | — |
| Brett J. Gladman | 20 | 1966–pres. | B. Gladman; | B. Gladman | (7638) |
| Mitch Glaze | 1 | n.a. | M. Glaze; inferred, amateur, at (649) | M. Glaze | — |
| Arianna E. Gleason | 5 | 1980–pres. | A. Gleason; | A. Gleason | (10639) |
| Tom Glinos | 21 | 1960-2023 | T. Glinos; amateur, (bio-it) | T. Glinos | (7124) |
| Hermann Goldschmidt | 14 | 1802–1866 | H. Goldschmidt; amateur | H. Goldschmidt | (1614) |
| David B. Goldstein (astronomer) | 1 | n.a. | D. B. Goldstein; unrelated to MPC, (bio-it) | D. B. Goldstein | — |
| Josep Juliá Gómez Donet | 1 | n.a. | J. J. Gomez; (bio-it) | J. J. Gomez | (90140) |
| François Gonnessiat | 2 | 1856–1934 | F. Gonnessiat; | F. Gonnessiat | (1177) |
| Luis E. González | 2 | n.a. | L. E. González; Luis Eduardo González, disc: MPC, MPC, and C/1981 M1, Img, (bio-it) | L. E. Gonzalez | — |
| Vittorio Goretti | 32 | 1939–2016 | V. Goretti; Src | V. Goretti | (7801) |
| Paul Götz | 20 | 1883–1962 | P. Götz; Max Wolf's assistant | P. Gotz | (2278) |
| Andrew Graham (astronomer) | 1 | 1815–1908 | A. Graham; disc: MPC | A. Graham | — |
| Albert D. Grauer | 4 | 1942–pres. | A. D. Grauer; (bio-it) | A. D. Grauer | (18871) |
| Tommy Grav | 4 | 1973–pres. | T. Grav; (bio-de) | T. Grav | (12309) |
| Andrea Grazian | 3 | | A. Grazian; | A. Grazian | — |
| Mauro Graziani | 2 | n.a. | M. Graziani; amateur, disc: MPC and MPC, co-discoverer w/ F. Tozzi, (bio-it) | M. Graziani | — |
| Roland Gredel | 1 | | R. Gredel; | R. Gredel | — |
| Robert Greimel | 1 | n.a. | R. Greimel; inferred, Src | R. Greimel | — |
| Dave Grennan | 2 | n.a. | D. Grennan; disc: MPC, HP, chng Dave to David Grennan | D. Grennan | — |
| Markus Griesser (astronomer) | 10 | 1949–pres. | M. Griesser; amateur, Eschenberg Observatory, (bio-de) | M. Griesser | (11547) |
| Ian P. Griffin | 28 | 1958–pres. | I. P. Griffin; (bio-de) | I. P. Griffin; I. Griffin | — |
| A. Grigsby | 2 | n.a. | A. Grigsby; inferred, disc: MPC and MPC | A. Grigsby | — |
| Hannes Gröller | 8 | n.a.–pres. | H. Gröller; | H. Groeller; H. Gröller | — |
| John Gross (astronomer) | 7 | 1959–pres. | J. Gross; amateur | J. Gross | (33800) |
| Arie William Grossman | 1 | n.a. | A. Grossman; unrelated to MPC, (bio-it) | A. Grossman | — |
| Gavril Grueff | 1 | n.a. | G. Grueff; (bio-it) | G. Grueff | — |
| C. Gualdoni | 1 | n.a. | C. Gualdoni; | C. Gualdoni | — |
| Joan Guarro i Fló | 5 | n.a. | J. Guarro i Fló; (bio-it) | J. Guarro | — |
| Daria Guidetti | 2 | 1978–pres. | D. Guidetti; | D. Guidetti | (27005) |
| Ernesto Guido | 6 | 1977–pres. | E. Guido; | E. Guido | (120361) |
| Amanda Sickafoose Gulbis | 2 | 1975–pres. | A. Gulbis; disc: MPC (parents) and MPC | A. Gulbis | (9525) |
| Sun Guoyou | 2 | 1984–pres. | G. Sun; also Guoyou Sun, amateur, disc: C/2015 F5 (SWAN-XingMing), supernovae, novae, variable/double stars, planetary nebulae at Xingming Obs. | G. Sun | (546756) |
| Cynthia Gustava | 3 | n.a. | C. Gustava; (bio-it) | C. Gustava | — |
| Knut Anton Walter Gyllenberg | 1 | 1886–1952 | K. Gyllenberg; (bio-it) | K. Gyllenberg | — |
| Bernhard Häusler | 1 | 1958–pres. | B. Häusler; amateur, Src | B. Haeusler | — |
| Olivier R. Hainaut | 12 | 1966–pres. | O. R. Hainaut; | O. R. Hainaut; O. Hainaut | (14972) |
| Mark Hammergren | 2 | 1964–pres. | M. Hammergren; (bio-it) | M. Hammergren | (7917) |
| Hidekazu Hanayama | 1 | n.a.–pres. | H. Hanayama; | H. Hanayama | |
| Terry Handley | 7 | 1952–2015 | T. Handley; amateur | T. Handley | (16695) |
| A. T. Hansen | 1 | n.a. | A. T. Hansen; Src | A. T. Hansen | — |
| Leif Hansen (astronomer) | 1 | n.a. | L. Hansen; (bio-it) | L. Hansen | — |
| M. W. Hansen | 1 | n.a. | M. W. Hansen; inferred | M. W. Hansen | — |
| D. S. Hardage | 1 | n.a. | D. S. Hardage; co-disc. w/ D. T. Durig, Cordell-Lorenz | D. S. Hardage | — |
| Karl Ludwig Harding | 1 | 1765–1843 | K. Harding; disc: MPC | K. Harding | (2003) |
| Eugene A. Harlan | 2 | 1921–2014 | E. A. Harlan; (bio-it) | E. A. Harlan | — |
| Malcolm Hartley | 3 | 1947–pres. | M. Hartley; cometary discoveries, Siding Spring, UK Schmidt Telescope | M. Hartley | (4768) |
| Johannes Franz Hartmann | 3 | 1865–1936 | J. Hartmann; unrelated to MPC | J. Hartmann | — |
| Michael Harvanek | 1 | n.a.–pres. | M. Harvanek; UC Boulder; Lowell; Apace Point | M. Harvanek | — |
| Takashi Hasegawa | 1 | n.a. | T. Hasegawa; unrelated to MPC | T. Hasegawa | — |
| Nariyasu Hashimoto | 7 | n.a. | N. Hashimoto; co-discoverer with #T. Sakamoto | N. Hashimoto | — |
| Shuji Hayakawa | 41 | 1958–pres. | S. Hayakawa; Syuji Hayakawa, (bio-it) | S. Hayakawa | (4647) |
| David Healy (astronomer) | 231 | 1936–2011 | D. Healy; | D. Healy | (66479) |
| Zsuzsanna Heiner | 15 | 1949–pres. | Z. Heiner; (bio-de), (bio-eo), (bio-fr), (bio-it) | Z. Heiner | — |
| Aren N. Heinze | 1 | n.a.–pres. | A. N. Heinze; | A. N. Heinze | — |
| Joseph Helffrich | 13 | 1890–1971 | J. Helffrich; | J. Helffrich | (2290) |
| Eleanor F. Helin | 903 | 1932–2009 | E. F. Helin; | E. F. Helin | (3267) |
| Stephan Hellmich | 9 | 1981–pres. | S. Hellmich; DLR–Asteroids and Comets, Src Archived 7 November 2020 at the Wayback Machine, Img Archived 14 January 2023 at the Wayback Machine | S. Hellmich | (322577) |
| Karl Ludwig Hencke | 2 | 1793–1866 | K. L. Hencke; | K. L. Hencke | (2005) |
| Arne Henden | 1 | 1950–pres. | A. Henden; | A. Henden | (33529) |
| Prosper-Mathieu Henry | 7 | 1849–1903 | P. M. Henry; | P. M. Henry | — |
| Paul-Pierre Henry | 7 | 1848–1905 | P. P. Henry; | P. P. Henry | — |
| David R. Herald | 3 | n.a. | D. Herald; amateur | D. Herald | (3696) |
| Carl W. Hergenrother | 33 | 1973–pres. | C. W. Hergenrother; | C. W. Hergenrother | (3099) |
| Kenneth E. Herkenhoff | 2 | n.a. | K. Herkenhoff; (bio-it) | K. Herkenhoff | — |
| Enrique Herrero | 1 | n.a. | E. Herrero; Institute of Space Sciences | E. Herrero | — |
| Ejnar Hertzsprung | 2 | 1873–1967 | E. Hertzsprung; | E. Hertzsprung | (1693) |
| Merrill Hess | 2 | 1955–pres. | M. Hess; amateur | M. Hess | (162158) |
| Michael Hibbs | 2 | n.a. | M. Hibbs; Mike Hibbs, (545829), Tarleton State University Obs. (I43) | M. Hibbs | — |
| David Higgins (astronomer) | 1 | 1961–pres. | D. Higgins; David J. Higgins; amateur, disc: MPC | D. Higgins | (33750) |
| Richard E. Hill | 7 | 1949–pres. | R. Hill; Richard Erik Hill, Richard Rik Hill, (bio-it), Src | R. Hill | (118945) |
| John Russell Hind | 10 | 1823–1895 | J. R. Hind; | J. R. Hind | (1897) |
| Tsutomu Hioki | 56 | n.a. | T. Hioki; (bio-it) | T. Hioki | (5072) |
| Masanori Hirasawa | 52 | n.a. | M. Hirasawa; | M. Hirasawa | — |
| Joe Hobart | 47 | 1944–pres. | J. Hobart; chng to Joseph R. Hobart | J. Hobart | (4225) |
| Gabriella Hodosán | 9 | n.a. | G. Hodosán; inferred | G. Hodosan | — |
| Sebastian F. Hönig | 571 | 1977–pres. | S. F. Hönig; (bio-it), Src Archived 11 December 2018 at the Wayback Machine | S. F. Hoenig; S. Hoenig; S. F. Hönig | (51983) |
| Cuno Hoffmeister | 5 | 1892–1968 | C. Hoffmeister; | C. Hoffmeister | (1726), (4183) |
| Mark Holbrook | 1 | n.a.–pres. | M. Holbrook; amateur, inferred | M. Holbrook | — |
| Mark Hollands | 1 | n.a. | M. Hollands; | M. Hollands | — |
| William Holliday (astronomer) | 1 | n.a. | W. Holliday; inferred | W. Holliday | — |
| Matthew J. Holman | 11 | 1967–pres. | M. J. Holman; | M. J. Holman | (3666) |
| Robert Holmes (astronomer) | 125 | 1956–pres. | R. Holmes; Robert E. Holmes Jr., amateur, Astronomical Research Inst. (H21) Src, (bio-it) | R. Holmes | (5477) |
| Henry E. Holt | 690 | 1929–2019 | H. E. Holt; | H. E. Holt | (4435) |
| Paulo R. Holvorcem | 424 | 1967–pres. | P. R. Holvorcem; Paulo Holvorcem | P. R. Holvorcem; P. Holvorcem | (13421) |
| Ulrich Hopp | 1 | n.a. | U. Hopp; (bio-it) | U. Hopp | — |
| H. Hori | 3 | n.a. | H. Hori; disc: MPC, MPC and MPC. | H. Hori | — |
| Felix Hormuth | 117 | 1975–pres. | F. Hormuth; | F. Hormuth | (10660) |
| Kamil Hornoch | 1 | 1972–pres. | K. Hornoch; amateur | K. Hornoch | (14124) |
| Irwin K. Horowitz | 1 | n.a. | I. Horowitz; (bio-it) | I. Horowitz | — |
| Tara Houlden | 1 | n.a. | T. Houlden; with Emily Ross | T. Houlden | — |
| Léo Houziaux | 3 | 1932–pres. | L. Houziaux; (bio-fr) | L. Houziaux | (24945) |
| Meredith Howard | 1 | n.a. | M. Howard; inferred, unrelated to MPC | M. Howard | — |
| Ellen Howell | 1 | 1961–pres. | former wife of S. J. Bus; discoverer of comet 88P/Howell; DMP | E. Howell | (2735) |
| Steve Howell | 1 | n.a. | S. Howell; PSI | S. Howell | — |
| Xiangyao Hsiao | 17 | n.a. | X. Y. Hsiao; disc: MPC; grandfather 349785 | X. Y. Hsiao; H.-Y. Hsiao | — |
| Edwin Hubble | 1 | 1889–1953 | E. Hubble; | E. Hubble | (2069) |
| John Huchra | 1 | 1948–2010 | J. Huchra; | J. Huchra | (4656) |
| Gary Hug | 340 | n.a. | G. Hug; amateur | G. Hug | — |
| Joseph Hunaerts | 2 | 1912–1979 | J. Hunaerts; Joseph J. Hunaerts, disc: MPC and MPC, (bio-fr) | J. Hunaerts | — |
| Kiichirō Furukawa | 92 | 1929–2016 | K. Furukawa; MPC-typo: Hurukawa | K. Hurukawa | (3425) |
| Dieter Husar | 1 | 1947–pres. | D. Husar; (bio-it) | D. Husar | (211343) |
| Robert Hutsebaut | 10 | 1941–pres. | R. Hutsebaut; amateur, (bio-it) | R. Hutsebaut | (117572) |
| Ho Seong Hwang | 2 | n.a. | H. S. Hwang; | H. S. Hwang | — |
| Giampiero Iatteri | 1 | 1941–2004 | G. Iatteri; amateur, (bio-it) | G. Iatteri | (29561) |
| Jorge Iglesias Páramo | 1 | n.a. | J. Iglesias-Paramo; Jorge Iglesias-Páramo, co-disc. w/ #O. Vaduvescu | J. Iglesias-Paramo | — |
| Yasukazu Ikari | 20 | n.a. | Y. Ikari; (bio-it) | Y. Ikari | — |
| Kustaa Aadolf Inkeri | 1 | 1908–1997 | K. Inkeri; (bio-it), unrelated to MPC | K. Inkeri | — |
| Shigeru Inoda | 17 | 1955–2008 | S. Inoda; amateur, (bio-de) | S. Inoda | (5484) |
| Masaru Inoue (astronomer) | 12 | n.a. | M. Inoue; unrelated to 6637, (bio-it) | M. Inoue | — |
| Sergei I. Ipatov | 8 | 1952–pres. | S. I. Ipatov; Sergij Ivanovič Ipatov, Sergueï Ivanovitch Ipatov | S. I. Ipatov; S. Ipatov | (14360) |
| Michael J. Irwin | 8 | n.a. | M. J. Irwin; unrelated to 3959, (bio-fr) | M. J. Irwin; M. Irwin | — |
| Kōichi Itagaki | 3 | 1947–pres. | K. Itagaki; amateur, (bio-it) | K. Itagaki | (14551) |
| Kazuyoshi Itō | 1 | n.a. | K. Itō; | K. Ito | — |
| Miguel Itzigsohn | 15 | 18XX–1978 | M. Itzigsohn; (bio-es) | M. Itzigsohn | (1596) |
| Nikolaj Ivanov (astronomer) | 3 | n.a. | N. Ivanov; (alt. Nikolay Ivanov; Николай Иванов) unrelated to MPC, (bio-it) | N. Ivanov | — |
| Violeta G. Ivanova | 14 | n.a. | V. G. Ivanova; | V. G. Ivanova; V. Ivanova | (4365) |
| Jurij Mykolajovyč Ivaščenko | 21 | 1961–pres. | Y. Ivaščenko; Yuri Ivaščenko, disc: MPC, (bio-it) | Y. Ivashchenko | — |
| Masayuki Iwamoto | 6 | 1954–pres. | M. Iwamoto; | M. Iwamoto | (4951) |
| Shun-ei Izumikawa | 2 | n.a. | S. Izumikawa; | S. Izumikawa | — |
| Gerhard Jackisch | 1 | n.a. | G. Jackisch; (bio-it) | G. Jackisch | — |
| Cyril Jackson (astronomer) | 72 | 1903–1988 | C. Jackson; | C. Jackson | (2193) |
| Cristóvão Jacques (astronomer) | 6 | n.a. | C. Jacques; (bio-it) | C. Jacques | — |
| Herve Jacquinot | 1 | n.a. | H. Jacquinot; Observatoire des Terres Blanches, (B26) | H. Jacquinot; H. JACQUINOT | — |
| Jost Jahn | 9 | 1959–pres. | J. Jahn; amateur, discovery of (471926) aka 2013 KN6 at (C95) SATINO Remote Obs.; Src; (bio-it) | J. Jahn | (10340) |
| Quentin Jamieson | 3 | n.a. | Q. Jamieson; | Q. Jamieson | — |
| David James (astronomer) | 2 | n.a. | D. James; first disc. (558168), co-disc. w/ #R. L. Allen | D. James | — |
| Robert Jedicke | 9 | 1963–pres. | R. Jedicke; 179P/Jedicke, 269P/Jedicke, (bio-it) | R. Jedicke | (5899) |
| Hamilton M. Jeffers | 1 | 1893–1976 | H. M. Jeffers; Hamilton Moore Jeffers | H. M. Jeffers | (1934) |
| Emmanuël Jehin | 1 | n.a. | E. Jehin; TRAPPIST, U Liège | E. Jehin | — |
| Peter Jekabsons | 2 | 1943–1990 | P. Jekabsons; amateur, (bio-it) | P. Jekabsons | (3188) |
| Benjamin Jekhowsky | 12 | 1881–1975 | B. Jekhovsky; | B. Jekhovsky | (1606) |
| Kåre S. Jensen | 1 | n.a. | K. S. Jensen; (bio-it) | K. S. Jensen | — |
| Poul Jensen (astronomer) | 98 | n.a. | P. Jensen; at Brorfelde Observatory | P. Jensen | (5900) |
| Young-Beom Jeon | 45 | n.a. | Y.-B. Jeon; | Y.-B. Jeon | — |
| Youngmin JeongAhn | 1 | n.a.–pres. | Y. JeongAhn; | Y. JeongAhn | — |
| David C. Jewitt | 52 | 1958–pres. | D. C. Jewitt; | D. C. Jewitt; D. J. Jewitt | (6434) |
| Jin Zhangwei | 2 | 1968–pres. | Z.-W. Jin; Zhang-Wei Jin, first disc: (263906), (bio-it) | Z.-W. Jin; Z. Jin | (546844) |
| Ernest Leonard Johnson | 18 | 18xx–1977 | E. L. Johnson; | E. L. Johnson | — |
| Michael L. Johnson | 2 | n.a. | M. L. Johnson; disc: MPC and MPC, (bio-it) | M. L. Johnson | — |
| David Jones (astronomer) | 1 | n.a. | D. Jones; La Palma (IAU, Bio) | D. Jones | — |
| Gilbert R. Jones | 7 | n.a. | G. R. Jones; inferred, disc: MPC | G. R. Jones | — |
| Richard E. Jones | 2 | n.a. | R. E. Jones; disc: MPC and MPC, (bio-it) | R. E. Jones | — |
| Amy B. Jordan (astronomer) | 30 | n.a. | A. B. Jordan; | A. B. Jordan | — |
| Charles W. Juels | 475 | 1944–2009 | C. W. Juels; amateur | C. W. Juels | (20135) |
| Mario Jurić | 125 | 1979–pres. | M. Jurić; | M. Juric | — |
| Anlaug Amanda Kaas | 1 | n.a. | A. A. Kaas; | A. A. Kaas | — |
| Tetsuo Kagawa | 115 | 1969–pres. | T. Kagawa; at Gekko Observatory | T. Kagawa | (6665) |
| Franz Kaiser | 21 | 1891–1962 | F. Kaiser; Heidelberg astronomer | F. Kaiser | (3183) |
| Watari Kakei | 3 | 1947–pres. | W. Kakei; (bio-fr) | W. Kakei | — |
| Dušan Kalmančok | 7 | 1945–pres. | D. Kalmančok; | D. Kalmancok | (29824) |
| Lars Kamél | 2 | 1960–pres. | L. Kamél; disc: MPC and MPC | L. Kamel | (4254) |
| Karl Walter Kamper | 3 | 1941–1998 | K. W. Kamper; (bio-it) | K. W. Kamper | — |
| Kiyotaka Kanai | 1 | 1951–pres. | K. Kanai; amateur | K. Kanai | (26168) |
| Ethan Kandler | 3 | n.a. | E. Kandler; (bio-it) | E. Kandler | — |
| Jens Kandler | 25 | 1973–pres. | J. Kandler; (bio-de) | J. Kandler; J. Kander | (8861) |
| Hiroshi Kaneda | 705 | 1953–pres. | H. Kaneda; orbit computer | H. Kaneda | (4677) |
| David Alexander Kann | 1 | 1977–2023 | A. Kann; | A. Kann | — |
| Lyudmila Karachkina | 130 | 1948–pres. | L. G. Karachkina; | L. G. Karachkina | (8019) |
| Y. Karavaev | 1 | n.a. | Y. Karavaev; | Y. Karavaev | — |
| Stefan Karge | 61 | 1963–pres. | S. Karge; amateur | S. Karge | (378917) |
| Ádám Kárpáti | 2 | n.a. | Á. Kárpáti; disc: MPC and MPC, unrelated to MPC | A. Karpati | — |
| Galina Ričardovna Kastelʹ | 9 | n.a. | G. R. Kastelʹ; ITA astronomer, (bio-it) | G. R. Kastelʹ | (3982) |
| Marc Kaschinski | 1 | n.a. | M. Kaschinski; Observatoire des Côtes-de-Meuse | M. Kaschinski | — |
| John J. Kavelaars | 11 | 1966–pres. | J. J. Kavelaars; | J. J. Kavelaars; J. Kavelaars | (154660) |
| Kōyō Kawanishi | 13 | 1959–pres. | K. Kawanishi; | K. Kawanishi | (5591) |
| Nobuhiro Kawasato | 105 | n.a. | N. Kawasato; | N. Kawasato | (4910) |
| James Edward Keeler | 2 | 1857–1900 | J. E. Keeler; | J. E. Keeler | (2261) |
| János Kelemen | 4 | 1951–pres. | J. Kelemen; Piszkéstető Stn., Src, Src Archived 14 January 2023 at the Wayback Machine | J. Kelemen | (545784) |
| Stephen Kent (astronomer) | 1 | n.a. | S. Kent; | S. Kent | — |
| Susan D. Kern | 63 | 1977–pres. | S. D. Kern; Susan D. Benecchi (née Kern), at Space Telescope Science Institute, (bio-it) | S. D. Kern; S. Kern | (21458) |
| James W. Kessel | 26 | n.a. | J. W. Kessel; | J. W. Kessel | — |
| B. Khafizov | 1 | n.a. | B. Khafizov; | B. Khafizov | — |
| Pamela M. Kilmartin | 41 | n.a. | P. M. Kilmartin; | P. M. Kilmartin | (3907) |
| Seung-Lee Kim | 1 | n.a. | S.-L. Kim; inferred | S.-L. Kim | — |
| A. Király | 5 | n.a. | A. Király; | A. Kiraly | — |
| Randolph L. Kirk | 1 | n.a. | R. Kirk; (bio-it) | R. Kirk | — |
| Karsten Kirsch | 3 | n.a. | K. Kirsch; co-disc: MPC, MPC and MPC, (bio-it) | K. Kirsch | — |
| László L. Kiss | 56 | 1972–pres. | L. Kiss; (bio-it) | L. Kiss | (113202) |
| Minoru Kizawa | 12 | 1947–pres. | M. Kizawa; | M. Kizawa | — |
| Marcel Klein | 6 | 1984–pres. | M. Klein; amateur, disc: MPC and MPC, Src | M. Klein | — |
| Arnold Richard Klemola | 16 | 1931–2019 | A. R. Klemola; (bio-de) | A. R. Klemola | (1723) |
| Jan T. Kleyna | 8 | n.a. | J. Kleyna; (bio-it) | J. Kleyna | — |
| Rainer Kling | 88 | 1952–pres. | R. Kling; amateur, (bio-de) | R. Kling | (185639) |
| Alain Klotz | 7 | 1947–pres. | A. Klotz; amateur, (bio-fr) | A. Klotz | (10222) |
| Mary Ellen Knewston | 1 | n.a. | M. Knewtson; (vs. Knewston), inferred, amateur | M. Knewtson | — |
| Zoran Knežević (astronomer) | 1 | 1949–pres. | Z. Knežević; | Z. Knezevic | (3900) |
| André Knöfel | 18 | 1963–pres. | A. Knöfel; amateur, (bio-de) | A. Knofel; A. Knöfel | (16438) |
| Viktor Knorre | 4 | 1840–1919 | V. Knorre; Victor Karlovich Knorre | V. Knorre | (14339) |
| Jurō Kobayashi | 2 | 1949–pres. | J. Kobayashi; amateur, (bio-it) | J. Kobayashi | (6022) |
| Takao Kobayashi | 2479 | 1961–pres. | T. Kobayashi; | T. Kobayashi | (3500) |
| Michal Kočer | 8 | n.a. | M. Kočer; disc: MPC, (bio-it) | M. Kocer | — |
| Bernd Koch | 3 | 1955–pres. | B. Koch; amateur, (bio-it) | B. Koch | (191494) |
| Peter Kocher | 113 | 1939–2025 | P. Kocher; amateur, (bio-fr), HP | P. Kocher; Peter Kocher | (115950) |
| Michael König | 2 | 1966–pres. | M. König; amateur, disc: MPC, Src | M. Koenig | — |
| Luboš Kohoutek | 76 | 1935–2023 | L. Kohoutek; | L. Kohoutek | (1850) |
| Masahiro Koishikawa | 19 | 1952–pres. | M. Koishikawa; | M. Koishikawa | (6097) |
| Takuo Kojima | 45 | 1955–pres. | T. Kojima; amateur, (bio-it) | T. Kojima | (3644) |
| Ales Kolář | 2 | n.a. | A. Kolář; disc: MPC and MPC, (differs from Jan Kolář MPC, MPC) | A. Kolar | — |
| Eberhard Koldewey | 2 | 1937–pres. | E. Koldewey; disc: MPC and MPC, (bio-it) | E. Koldewey | (11352) |
| Peter Kolény | 35 | n.a. | P. Kolény; | P. Koleny | — |
| Arthur König (astronomer) | 1 | 1895–1969 | A. König; son of Arthur Peter König, (bio-it) | A. Konig | (3815) |
| August Kopff | 68 | 1882–1960 | A. Kopff; | A. Kopff | (1631) |
| Korado Korlević | 1295 | 1958–pres. | K. Korlević; amateur | K. Korlevic | (10201) |
| Leonard Kornoš | 37 | 1956–pres. | L. Kornoš; (bio-it) | L. Kornos | (23899) |
| Stanislav Alexandrovich Korotkiy | 2 | 1983–pres. | S. Korotkiy; amateur, (bio-it) | S. Korotkiy | (231649) |
| Hiroki Kosai | 93 | 1933–pres. | H. Kosai; at Tokyo Astronomical Observatory | H. Kosai | (3370) |
| Alexander Kostin | 5 | n.a. | A. Kostin; (Houston, TX, U.S.), comets | A. Kostin | — |
| Michael C. Kotson | 1 | n.a. | M. C. Kotson; (CV) | M. C. Kotson | — |
| Georgiy U. Koval'chuk | 2 | n.a. | G. Koval'chuk; disc: MPC and MPC | G. Kovalchuk | — |
| Charles T. Kowal | 22 | 1940–2011 | C. T. Kowal; Charles Thomas Kowal | C. T. Kowal | — |
| Richard Kowalski | 14 | 1963–pres. | R. A. Kowalski; disc: MPC | R. A. Kowalski | (7392) |
| Rainer Kracht | 3 | 1948–pres. | R. Kracht; amateur, HP, (bio-it) | R. Kracht | (234761) |
| Thilo Kranz | 1 | n.a. | T. Kranz; Src Archived 19 August 2016 at the Wayback Machine | T. Kranz | — |
| Rainer Kresken | 13 | n.a | R. Kresken; disc: MPC | R. Kresken | — |
| Mike Kretlow | 8 | 1967–pres. | M. Kretlow; (bio-it) | M. Kretlow | (9938) |
| Charles J. Krieger | 1 | 1898–pres. | C. J. Krieger; Charles John Krieger, (bio-it) | C. J. Krieger | — |
| A. Kriete | 1 | n.a. | A. Kriete; inferred | A. Kriete | — |
| Richard Kron | 1 | n.a. | R. Kron; | R. Kron | — |
| Timur Valer'evič Krjačko | 104 | 1970–pres. | T. V. Kryachko; amateur, (bio-it) | T. V. Kryachko; T. Kryachko; c. Kryachko | (269589) |
| Marcin Kubiak | 1 | n.a. | M. Kubiak; | M. Kubiak | — |
| Jeremy Martin Kubica | 22 | n.a. | J. Kubica; disc: MPC | J. Kubica | — |
| Kazuo Kubokawa | 1 | 1903–1943 | K. Kubokawa; | K. Kubokawa | (6140) |
| François Kugel | 410 | 1959–pres. | F. Kugel; Observatoire Chante-Perdrix (A77) | F. Kugel; C. R. F. Kugel | (120375) |
| Zoltán Kuli | 161 | 1977–pres. | Z. Kuli; Zoltán "Zoli" Kuli, amateur astronomer, Src | Z. Kuli | (257211) |
| György Kulin | 21 | 1905–1989 | G. Kulin; | G. Kulin | (3019) |
| Pratibha Kumar | 3 | n.a. | P. Kumar; wife of V. Reddy, disc: MPC, MPC and MPC, Src, Src | P. Kumar | — |
| Nikolaj Efimovič Kuročkin | 2 | 1923–2003 | N. E. Kuročkin; disc: MPC and MPC, (bio-it) | N. E. Kurochkin | — |
| Hirohisa Kurosaki | 13 | 1970–pres. | H. Kurosaki; | H. Kurosaki | (23938) |
| Stefan Kürti | 9 | 1960–pres. | S. Kürti; amateur, Src | S. Kurti | (132798) |
| Lothar Kurtze | 1 | 1972–pres. | L. Kurtze; amateur, | L. Kurtze | — |
| Reiki Kushida | 1 | n.a. | R. Kushida; amateur, wife of Y. Kushida, disc: MPC | R. Kushida | (5239) |
| Yoshio Kushida | 56 | 1957–pres. | Y. Kushida; amateur, husband of R. Kushida | Y. Kushida | (5605) |
| Michał Kusiak | 23 | 1986–pres. | M. Kusiak; Src | M. Kusiak | (376574) |
| Peter Kušnirák | 294 | 1974–pres. | P. Kušnirák; | P. Kusnirak; P. Kušnirák | (17260) |
| Jaroslav Květoň | 2 | n.a. | J. Květoň; disc: MPC, (bio-it) | J. Kveton | — |
| Andrzej Kwiek | 1 | n.a. | A. Kwiek; disc: MPC, (bio-fr) | A. Kwiek | — |
| Dmytro Kyrylenko | 1 | 1985–pres. | D. Kyrylenko; at Andrushivka Astronomical Observatory | D. Kyrylenko | (281459) |
| Peter Kyrylenko | 15 | 1987–pres. | P. Kyrylenko; at Andrushivka Astronomical Observatory | P. Kyrylenko | (281459) |
| Juan Lacruz | 64 | n.a. | J. Lacruz; (bio-it) | J. Lacruz | — |
| Claes-Ingvar Lagerkvist | 146 | 1944–pres. | C.-I. Lagerkvist; at Uppsala Astronomical Observatory | C.-I. Lagerkvist; C. Lagerkvist | (2875) |
| Joanny-Philippe Lagrula | 1 | 1870–1941 | J. Lagrula; disc: MPC | J. Lagrula | (1412) |
| Luciano Lai | 13 | 1948–pres. | L. Lai; (bio-it) | L. Lai | (11100) |
| Peter B. Lake | 1 | n.a. | P. B. Lake; amateur | P. B. Lake | — |
| Carl Otto Lampland | 1 | 1873–1951 | C. O. Lampland; disc: MPC | C. O. Lampland | (1767) |
| Werner Landgraf | 7 | 1959–pres. | W. Landgraf; | W. Landgraf | (3132) |
| Marco Langbroek | 1 | 1970–pres. | M. Langbroek; | M. Langbroek | (183294) |
| Jeffrey A. Larsen | 2 | 1967–pres. | J. A. Larsen; (bio-fr) | J. A. Larsen | (7657) |
| Stephen M. Larson | 2 | n.a. | S. M. Larson; (bio-fr) | S. M. Larson | (3690) |
| Tod R. Lauer | 2 | 1957–pres. | T. Lauer; Tod Richard Lauer | T. Lauer | (3135) |
| Vygandas Laugalys | 8 | n.a. | V. Laugalys; (bio-it) | V. Laugalys | — |
| Marguerite Laugier | 21 | 1896–1976 | M. Laugier; | M. Laugier | (1597) |
| Joseph Jean Pierre Laurent | 1 | 1823–1900 | J. J. P. Laurent; "J.J.P." vs "J.", disc: MPC, (bio-fr) | J. J. P. Laurent | (162) |
| Stephen P. Laurie | 50 | n.a. | S. P. Laurie; amateur | S. P. Laurie | — |
| Kenneth J. Lawrence | 33 | 1964–pres. | K. J. Lawrence; of Palomar Planet-Crossing Asteroid Survey | K. J. Lawrence | (4969) |
| Susannah Lazar | 1 | 1982–pres. | S. Lazar; amateur, (bio-it) | S. Lazar | — |
| Charles le Morvan | 1 | 1865–1933 | C. le Morvan; disc: MPC, (bio-fr) | C. le Morvan | — |
| Carlos Leal (astronomer) | 9 | n.a. | C. Leal; unrelated to 19426, (bio-fr) | C. Leal | — |
| Byung-Chol Lee | 37 | n.a. | B.-C. Lee; (bio-it) | B.-C. Lee | — |
| L. Lee | 1 | n.a. | L. Lee; inferred | L. Lee | — |
| Ho Lee | 1 | n.a. | H. Lee; | H. Lee | — |
| Tae-Hyung Lee | 1 | 1964–pres. | T. H. Lee; (bio-it) | T. H. Lee | — |
| Jonathan P. Leech | 1 | n.a. | J. P. Leech; inferred | J. P. Leech | — |
| Gerhard Lehmann | 23 | 1960–pres. | G. Lehmann; amateur, (bio-de) | G. Lehmann | (8853) |
| Hubert Lehmann | 1 | n.a. | H. Lehmann; | H. Lehmann | — |
| Cassandra Lejoly | 1 | n.a.–pres. | C. Lejoly; Spacewatch | C. Lejoly | (199261) |
| Gregory J. Leonard | 11 | n.a. | G. J. Leonard; (bio-it) | G. J. Leonard | — |
| Riccardo Leoni | 1 | n.a. | R. Leoni; | R. Leoni | — |
| Otto Lesser | 1 | 1830–1887 | O. Lesser; disc: MPC | O. Lesser | — |
| Ken Levin | 11 | 1953–pres. | K. Levin; physicist and amateur at BlackBird Obs. (H08) | K. Levin | (99862) |
| Stephen Levine (astronomer) | 1 | 1965–pres. | S. Levine; Stephen E. Levine | S. Levine | (19123) |
| David H. Levy | 65 | 1948–pres. | D. H. Levy; | D. H. Levy; D. Levy | (3673) |
| Wendee Levy | 4 | 1948–2022 | W. Levy; Wendee Esther Wallach Levy, wife of D. H. Levy, (bio-it) | W. Levy | (6485) |
| Ting X. Liao | 2 | n.a. | X. Liao; inferred | X. Liao | — |
| Javier Licandro | 1 | 1966–pres. | J. Licandro; co-disc. w/ R. Gil-Hutton | J. Licandro | (17919) |
| William Liller | 2 | 1927–pres. | W. Liller; | W. Liller | (3222) |
| Lin Qisheng (astronomer) | 65 | 1964–pres. | C.-S. Lin; a.k.a. Lin Chi-Sheng, (bio-it) | C.-S. Lin; C. S. Lin | (175451) |
| Hung-Chin Lin | 88 | n.a. | H.-C. Lin; (林宏欽), | H.-C. Lin | — |
| Tyler Linder | 2 | n.a.–pres. | T. Linder; | T. Linder | — |
| B. Linderholm | 1 | n.a. | B. Linderholm; also see #R. Linderholm | B. Linderholm | — |
| Robert Linderholm | 26 | 1933–2013 | R. Linderholm; | R. Linderholm | — |
| Bernadet Linero | 2 | n.a. | B. Linero; | B. Linero | — |
| V. Linkov | 1 | n.a. | V. Linkov; co-disc. #K. Polyakov | V. Linkov | — |
| Tim Lister (astronomer) | 2 | n.a. | T. Lister; (544116); Las Cumbres Obs.; Src | T. Lister | — |
| Karl Lohnert | 4 | 1885–1944 | K. Lohnert; Karl Julius Lohnert, (bio-it) | K. Lohnert | (11434) |
| A. Lokalov | 1 | n.a. | A. Lokalov; disc: MPC | A. Lokalov | — |
| Vladimir O. Lokot' | 2 | n.a. | V. Lokot'; disc: MPC and MPC | V. Lokot | — |
| Gianluca Lombardi | 1 | n.a.–pres. | G. Lombardi; Gran Telescopio Canarias | G. Lombardi | — |
| Penélope Longa-Peña | 1 | n.a.–pres. | P. Longa-Pena; Universidad de Antofagasta | P. Longa-Pena | — |
| Dinesh Loomba | 6 | n.a. | D. Loomba; Src | D. Loomba | — |
| Álvaro López-García | 12 | 1941–pres. | Á. López-G.; (bio-it) | A. Lopez | (4657) |
| Ángel López Jiménez | 58 | 1955–pres. | Á. López J.; (bio-it) | A. Lopez | — |
| Jean-Marie Lopez | 7 | n.a. | J.-M. Lopez; amateur | J.-M. Lopez; J. M. Lopez; J. Lopez | — |
| Joachim Lorenz | 6 | 1955–pres. | J. Lorenz; amateur, disc: MPC, | J. Lorenz | — |
| Wilhelm Lorenz (astronomer) | 4 | 1886–1918 | W. Lorenz; Karl Wilhelm Lorenz, (bio-it), (bio-de) | W. Lorenz | — |
| Miklós Lovas | 2 | 1931–pres. | M. Lovas; at Konkoly Observatory, (bio-it) | M. Lovas | (73511) |
| Jessica Lovering | 25 | n.a. | J. R. Lovering; Jessica R. Lovering, co-disc.: (542277) and (542433), CV | J. R. Lovering | — |
| Andrew Lowe | 511 | 1959–pres. | A. Lowe; amateur, orbit computer, (bio-it), HP | A. Lowe | (4091) |
| Percival Lowell | 1 | 1855–1916 | P. Lowell; disc: MPC | P. Lowell | (1886) |
| Paul Luckas | 2 | 1962–pres. | P. Luckas; amateur, (bio-it) | P. Luckas | (131186) |
| Christian B. Luginbuhl | 3 | 1955–pres. | C. B. Luginbuhl; (bio-it) | C. B. Luginbuhl | (7393) |
| Kjell Lundgren | 2 | 1950–pres. | K. Lundgren; at Uppsala Astronomical Observatory | K. Lundgren | (11934) |
| Federica Luppi | 1 | n.a. | F. Luppi; | F. Luppi | — |
| Robert Luther | 24 | 1822–1900 | R. Luther; | R. Luther | (1303) |
| Jane Luu | 39 | 1963–pres. | J. X. Luu; | J. X. Luu | (5430) |
| Lucas M. Macri | 1 | 1972–pres. | L. Macri; (bio-it) | L. Macri | — |
| Hiroshi Maeno | 7 | n.a. | H. Maeno; (bio-it) | H. Maeno | — |
| John Mahony (astronomer) | 10 | n.a. | J. Mahony; amateur, Src Archived 14 January 2020 at the Wayback Machine | J. Mahony | — |
| Marie Mahrová | 4 | 1947–pres. | M. Mahrová; (bio-it) | M. Mahrova | — |
| Renu Malhotra | 1 | 1961–pres. | R. Malhotra; | R. Malhotra | (6698) |
| Franco Mallia | 15 | 1961–pres. | F. Mallia; amateur, (bio-it) | F. Mallia | (21685) |
| Francesco Manca | 26 | 1966–pres. | F. Manca; amateur | F. Manca | (15460) |
| Jan Karel Mánek | 1 | 1961–pres. | J. Manek; amateur | J. Manek | (22697) |
| Brian G. W. Manning | 19 | 1926–2011 | B. G. W. Manning; amateur | B. G. W. Manning | (3698) |
| Massimiliano Mannucci | 1 | 1970–pres. | M. Mannucci; amateur, unrelated to MPC; (bio-it) | M. Mannucci | — |
| José Manteca | 13 | 1959–pres. | J. Manteca; Pepe Manteca, (bio-it) | J. Manteca | (542926) |
| Ilan Manulis | 1 | 1947–pres. | I. Manulis; inferred | I. Manulis | (13615) |
| Frédéric Maréchal | 2 | 1952–pres. | F. Maréchal; amateur, (bio-it) | F. Marechal | — |
| Wladimiro Marinello | 3 | n.a. | W. Marinello; amateur, (bio-it) | W. Marinello | (229836) |
| Mark Scott Marley | 1 | n.a. | M. S. Marley; (bio-it) | M. S. Marley | — |
| Brian G. Marsden | 1 | 1937–2010 | B. G. Marsden; | B. G. Marsden | (1877) |
| Albert Marth | 1 | 1828–1897 | A. Marth; disc: MPC | A. Marth | — |
| Axel Martin | 3 | 1968–pres. | A. Martin; amateur, (bio-it) | A. Martin | (15924) |
| Pierre Martin (astronomer) | 1 | 1964–pres. | P. Martin; Rene Pierre Martin, CFHT/WIYN Src | P. Martin | (59964) |
| Terry Martin (astronomer) | 1 | n.a. | T. Martin; Src Archived 17 October 2018 at the Wayback Machine | T. Martin | — |
| Carlos T. Martinez | 6 | n.a. | C. T. Martinez; Src | C. T. Martinez; C. Martinez | — |
| Gábor Marton (astronomer) | 1 | n.a. | G. Marton; (IAU) | G. Marton | — |
| Gianluca Masi | 30 | 1972–pres. | G. Masi; discoverer of variable stars | G. Masi | (21795) |
| Joseph Masiero | 63 | 1982–pres. | J. Masiero; | J. Masiero | (8255) |
| Egisto Masotti | 3 | 1947–pres. | E. Masotti; amateur, (bio-it) | E. Masotti | (22401) |
| Adam Massinger | 7 | 1888–1914 | A. Massinger; (bio-de) | A. Massinger | (760) |
| Giuseppe Massone | 1 | n.a. | G. Massone; inferred | G. Massone | — |
| Ronald A. Mastaler | 3 | n.a. | R. Mastaler; | R. Mastaler; R. A. Mastaler | — |
| Rose G. Matheny | 1 | n.a.–pres. | R. G. Matheny; University of Arizona; Catalina Sky Survey | R. G. Matheny | — |
| Mary Alice Mathison | 1 | n.a. | M. A. Mathison; inferred, (bio-it) | M. A. Mathison | — |
| Stanislav Matičič | 16 | n.a. | S. Matičič; inferred | S. Maticic; S. Matičič | — |
| Damir Matković | 2 | n.a. | D. Matković; (bio-it) | D. Matkovic | — |
| Robert D. Matson | 189 | 1962–pres. | R. Matson; Robert Matson, Rob Matson, (bio-it) | R. Matson | (73491) |
| Masanori Matsuyama | 19 | 1950–pres. | M. Matsuyama; amateur, Japanese: 松山正則, (bio-de) | M. Matsuyama | (4844) |
| Daniel Matter | 7 | 1957–pres. | D. Matter; amateur, (bio-it) | D. Matter | (59833) |
| Alain Maury | 9 | 1958–pres. | A. Maury; | A. Maury | (3780) |
| Deronda Mayes | 1 | 1957–pres. | D. Mayes; inferred | D. Mayes | (201777) |
| Emiliano Mazzoni | 2 | 1953–pres. | E. Mazzoni; amateur, (bio-it) | E. Mazzoni | (49469) |
| Michele Mazzucato | 6 | 1962–pres. | M. Mazzucato; Michele T. Mazzucato, (bio-it) | M. Mazzucato | (35461) |
| John V. McClusky | 157 | n.a. | J. V. McClusky; | J. V. McClusky; J. McClusky | — |
| Billy D. McCormack | 1 | n.a. | B. D. McCormack; | B. D. McCormack | — |
| Jennie McCormick | 1 | n.a. | J. McCormick; | J. McCormick | — |
| Alric D. McDermott | 1 | n.a. | A. D. McDermott; | A. D. McDermott | — |
| David McDonald (astronomer) | 2 | 1964–pres. | D. McDonald; Dave McDonald, amateur | D. McDonald | (21782) |
| Stephen W. McDonald | 1 | n.a. | S. McDonald; | S. McDonald | — |
| James E. McGaha | 6 | 1946–pres. | J. McGaha; amateur, (bio-it) | J. McGaha | (10036) |
| P. McKenzie | 1 | n.a. | P. McKenzie; inferred | P. McKenzie | — |
| David McLeish (astronomer) | 1 | n.a. | D. McLeish; (bio-it) | D. McLeish | — |
| Robert H. McNaught | 491 | 1956–pres. | R. H. McNaught; | R. H. McNaught | (3173) |
| Jeffrey S. Medkeff | 10 | 1968–2008 | J. Medkeff; | J. Medkeff | (41450) |
| Karen Jean Meech | 15 | 1959–pres. | K. J. Meech; | K. J. Meech; K. Meech | (4367) |
| Carol Neese | 1 | 1958–pres. | C. Neese; Carol Lynn Neese, MPC-typo: Meese | C. Meese | (9211) |
| Denis Mégevand | 1 | n.a. | D. Megevand; Geneva Obs., HARPS, Src | D. Megevand | — |
| Sven Melchert | 2 | 1968–pres. | S. Melchert; amateur, Guidestar (A17), disc: MPC and MPC with Mark Emmerich | S. Melchert | — |
| Philibert Jacques Melotte | 1 | 1880–1961 | P. Melotte; disc: MPC | P. Melotte | — |
| J. Dave Mendenhall | 1 | n.a. | J. D. Mendenhall; (bio-it) | J. D. Mendenhall | — |
| Jean-Claude Merlin | 75 | 1954–pres. | J.-C. Merlin; (bio-fr) | J.-C. Merlin | (57658) |
| Szabolcs Mészáros | 5 | 1981–pres. | S. Mészáros; (bio-it) | S. Meszaros | — |
| Joel Hastings Metcalf | 41 | 1866–1925 | J. H. Metcalf; | J. H. Metcalf | (726), (792) |
| Natalʹja Vitalʹevna Metlova | 1 | n.a. | N. V. Metlova; (bio-it) | N. V. Metlova | — |
| Michel Meunier | 1 | 1964–pres. | M. Meunier; amateur, (bio-it), C/1997 J2 (Meunier–Dupouy) | M. Meunier | (37848) |
| Erich Meyer | 22 | 1951–pres. | E. Meyer; amateur | E. Meyer | (7940) |
| Maik Meyer | 16 | 1970–pres. | M. Meyer; amateur, (bio-de), Src | M. Meyer | (52005) |
| J. Michaud | 1 | n.a. | J. Michaud; inferred | J. Michaud | — |
| Marco Micheli | 23 | 1983–pres. | M. Micheli; ESA/Pan-STARRS1 (news-it), (bio-it) | M. Micheli | (10277) |
| René Michelsen | 8 | n.a. | R. Michelsen; | R. Michelsen | (10285) |
| Celina Mikolajczak | 4 | n.a. | C. Mikolajczak; (bio-it) | C. Mikolajczak | — |
| Blaž Mikuž | 5 | n.a. | B. Mikuž; at Črni Vrh | B. Mikuz; B. Mikuž | — |
| Herman Mikuž | 32 | n.a. | H. Mikuž; at Črni Vrh, (bio-it) | H. Mikuz; H. Mikuž | — |
| R. Miles | 1 | n.a. | R. Miles; inferred | R. Miles | — |
| Robert L. Millis | 129 | n.a. | R. Millis; occultation, at Lowell Observatory, (bio-it), (bio-fr) | R. Millis; R. L. Millis | (2659) |
| Elia Millosevich | 2 | 1848–1919 | E. Millosevich; | E. Millosevich | (69961) |
| Matt Mills (astronomer) | 1 | n.a. | M. Mills; inferred | M. Mills | — |
| Rudolph Minkowski | 1 | 1895–1976 | R. Minkowski; | R. Minkowski | (11770) |
| Alberto Miranda | 2 | n.a. | A. Miranda; co-disc #I. P. Griffin | A. Miranda | — |
| Marina N. Mishina | 1 | n.a. | M. Mishina; | M. Mishina | — |
| Tetsuyasu Mitani | 1 | 1927–2004 | T. Mitani; disc: MPC, (bio-it) | T. Mitani | (3289) |
| Seidai Miyasaka | 4 | 1955–pres. | S. Miyasaka; | S. Miyasaka | (3555) |
| Takashi Mizuno (astronomer) | 1 | 1955–pres. | T. Mizuno; amateur, (bio-it) | T. Mizuno | (6392) |
| Yoshikane Mizuno | 52 | 1954–pres. | Y. Mizuno; at Kani Observatory | Y. Mizuno | (4541) |
| Teo Močnik | 1 | 1989–pres. | T. Močnik; CV | T. Mocnik | (579890) |
| Marko Moilanen | 1 | n.a. | M. Moilanen; (bio-it) | M. Moilanen | — |
| Lawrence Alan Molnar | 86 | 1959–pres. | L. A. Molnar; (bio-it) | L. A. Molnar; L. Molnar | (8245) |
| Jean Montanne | 1 | n.a. | J. Montanne; (bio-it) | J. Montanne | — |
| Nico Montigiani | 1 | n.a. | N. Montigiani; (bio-it) | N. Montigiani | — |
| Nicolas Morales | 1 | n.a.–pres. | N. Morales; | N. Morales | — |
| Didier Morata | 1 | 1954–pres. | D. Morata; amateur, (bio-it) | D. Morata | (14643) |
| Stéphane Morata | 1 | 1977–pres. | S. Morata; amateur, (bio-it) | S. Morata | (14643) |
| Zdeněk Moravec | 94 | 1968–pres. | Z. Moravec; | Z. Moravec | — |
| Hiroshi Mori (astronomer) | 45 | 1958–pres. | H. Mori; amateur, (bio-it) | H. Mori | (19190) |
| Paul Mortfield | 1 | n.a. | P. Mortfield; | P. Mortfield | — |
| Nicholas Moskovitz | 1 | 1981–pres. | N. Moskovitz; | N. Moskovitz | (8254) |
| Patrick M. Motl | 9 | n.a. | P. M. Motl; disc: MPC, (bio-it) | P. M. Motl | — |
| Stefano Mottola | 21 | n.a. | S. Mottola; (bio-it) | S. Mottola | (5388) |
| Antonín Mrkos | 274 | 1918–1996 | A. Mrkos; at Kleť Observatory | A. Mrkos | (1832) |
| Jean Mueller | 13 | 1950–pres. | J. E. Mueller; at Second Palomar Sky Survey | J. E. Mueller | (4031) |
| Masaru Mukai | 13 | 1949–pres. | M. Mukai; unrelated to 4750 | M. Mukai | — |
| Gustavo Muler | 25 | 1967–pres. | G. Muler; | G. Muler | (458063) |
| John-Derral Mulholland | 1 | 1934–2008 | J.-D. Mulholland; (bio-it) | J. D. Mulholland | — |
| Ulisse Munari | 49 | 1960–pres. | U. Munari; at the Astronomical Observatories of Padua and Asiago | U. Munari | (7599) |
| J. Muñoz | 1 | n.a. | J. Muñoz; inferred, (Manteca-it) | J. Munoz | — |
| Osamu Muramatsu | 73 | 1949–pres. | O. Muramatsu; | O. Muramatsu | (5606) |
| Juan Carlos Muzzio | 2 | 1946–pres. | J. C. Muzzio; at La Plata Institute of Astrophysics, (bio-it) | J. C. Muzzio | (6505) |
| Atsushi Nakajima (astronomer) | 15 | n.a. | A. Nakajima; disc: MPC | A. Nakajima | — |
| Akimasa Nakamura | 112 | 1961–pres. | A. Nakamura; at the Kuma Kogen Astronomical Observatory | A. Nakamura | (10633) |
| Tsuko Nakamura | 3 | 1943–pres. | T. Nakamura; (bio-it) | T. Nakamura | (6599) |
| Akio Nakanishi | 3 | 1964–pres. | A. Nakanishi; amateur | A. Nakanishi | (8702) |
| Orlando A. Naranjo | 38 | 1951–pres. | O. A. Naranjo; (bio-it) | O. A. Naranjo | — |
| Michael Nassir | 1 | n.a. | M. Nassir; | M. Nassir | — |
| Akira Natori | 32 | 1956–pres. | A. Natori; at Nihondaira Observatory, (bio-it) | A. Natori | (5520) |
| Ramón Naves | 1 | n.a. | R. Naves; amateur at Montcabrer Observatory; not Carl Rod Nave | R. Naves | — |
| Edgar Rangel Netto | 8 | n.a. | E. R. Netto; at Valongo Observatory, (bio-de) | E. R. Netto | (3175) |
| Grigory Neujmin | 74 | 1885–1946 | G. N. Neujmin; | G. N. Neujmin | (1129) |
| Vitali Nevski | 15 | 1974–pres. | V. Nevski; amateur, (B42), image, Comet ISON, alt: Vitaliy Nevskiy and Vitaly Nevsky | V. Nevski | — |
| M. Nicholson | 1 | n/a | M. Nicholson; | M. Nicholson | — |
| Phil Nicholson | 1 | 1951–pres. | P. Nicholson; Philip D. Nicholson, Sycorax | P. Nicholson | (7220) |
| Seth Barnes Nicholson | 2 | 1891–1963 | S. B. Nicholson; disc: MPC and MPC | S. B. Nicholson | (1831) |
| Tsuneo Niijima | 32 | 1955–pres. | T. Niijima; amateur | T. Niijima | (5507) |
| Kota Nishiyama | 6 | 1965–pres. | K. Nishiyama; Nishiyama Kota, Bisei Spaceguard Center | K. Nishiyama | (23955) |
| V. L. Nixon | 1 | n.a. | V. L. Nixon; | V. L. Nixon | — |
| Michael C. Nolan | 1 | 1963–pres. | M. C. Nolan; at Arecibo Observatory, (bio-it) | M. C. Nolan | (9537) |
| Jaume Nomen | 55 | 1960–pres. | J. Nomen; at Observatorio Astronomico de Mallorca | J. Nomen | (56561) |
| Toshiro Nomura | 13 | 1954–pres. | T. Nomura; | T. Nomura | (6559) |
| Hans Ulrik Nørgaard-Nielsen | 2 | n.a. | H. U. Nørgaard-Nielsen; disc: MPC, (bio-it) | H. U. Norgaard-Nielsen | — |
| Artyom Novichonok | 26 | 1988–pres. | A. Novichonok; Comet ISON, Src | A. Novichonok; A. O. Novichonok | — |
| Andrew J. Noymer | 7 | 1971–pres. | A. J. Noymer; (bio-it) | A. J. Noymer | (4956) |
| Donal O'Ceallaigh | 3 | n.a. | D. O'Ceallaigh; Src | D. O'Ceallaigh | — |
| Erwin Obermair | 7 | 1946–2017 | E. Obermair; amateur | E. Obermair | (9236) |
| Pieter van Oers | 1 | n.a. | P. v. Oers; | P. v. Oers | — |
| Eran O. Ofek | 1 | 1972–pres | E. O. Ofek; HP | E. O. Ofek | (32436) |
| Warren B. Offutt | 18 | 1928–2017 | W. Offutt; | W. Offutt | (7639) |
| Youhei Ohba | 3 | n.a. | Y. Ohba; at ISAS | Y. Ohba | — |
| Okuro Oikawa | 8 | 1896–1980 | O. Oikawa; | O. Oikawa | (2667) |
| Gregory Wayne Ojakangas | 2 | n.a. | G. Ojakangas; disc: MPC and MPC, (bio-it) | G. Ojakangas | — |
| Arto Oksanen | 1 | n.a. | A. Oksanen; amateur | A. Oksanen | — |
| Shin-ichiro Okumura | 3 | n.a. | S. Okumura; Bisei SG, IAU | S. Okumura | — |
| Tomimaru Okuni | 130 | 1931–pres. | T. Okuni; amateur | T. Okuni | (7769) |
| Heinrich Wilhelm Matthias Olbers | 2 | 1758–1840 | H. W. Olbers; | H. W. Olbers | (1002) |
| R. M. Olivera | 3 | n.a. | R. M. Olivera; amateur, also see § J. M. Bosch | R. M. Olivera; R. Olivera | — |
| C. Michelle Olmstead | 46 | 1969–pres. | C. M. Olmstead; at Lowell Observatory | C. M. Olmstead | (3287) |
| Andrey Oreshko | 41 | n.a. | A. Oreshko; (also see Timur Kryachko and 2012 YQ1 | A. Oreshko | — |
| Csilla Orgel | 2 | n.a. | C. Orgel; inferred | C. Orgel | — |
| José Luis Ortiz Moreno | 2 | 1967–pres. | J. L. Ortiz; disc: MPC, unofficial discoverer Haumea | J. L. Ortiz | (4436) |
| Michel Ory | 251 | 1966–pres. | M. Ory; amateur | M. Ory | (67979) |
| Yoshiaki Oshima | 61 | 1952–pres. | Y. Oshima; at Gekko Observatory | Y. Oshima | (5592) |
| David J. Osip | 1 | n.a. | D. J. Osip; Las Campanas Observatory | D. J. Osip | — |
| P. Ostafijchuk | 2 | n.a. | P. Ostafijchuk; Andrushivka Observatory | P. Ostafijchuk | — |
| Liisi Oterma | 54 | 1915–2001 | L. Oterma; at Turku Observatory | L. Oterma | (1529) |
| Iván Oteo Gómez | 1 | n.a. | I. Oteo; | I. Oteo | — |
| Satoru Otomo | 148 | 1957–pres. | S. Otomo; amateur | S. Otomo | (3911) |
| Rafael Pacheco | 57 | 1954–pres. | R. Pacheco; amateur | R. Pacheco | (25001) |
| Deborah Lynne Padgett | 1 | n.a. | D. Padgett; inferred | D. Padgett | — |
| András Pál (astronomer) | 14 | 1981–pres. | A. Pál; (549663) (549961) | A. Pal; A. Pál | (11459) |
| Johann Palisa | 122 | 1848–1925 | J. Palisa; | J. Palisa | (914) |
| Ernesto Palomba | 2 | 1967–pres. | E. Palomba; disc: MPC and MPC | E. Palomba | (95951) |
| Kuo-Chuan Pan | 1 | n.a.–pres. | K. Pan; National Tsing Hua University | K. Pan | — |
| Amanda Papadimos | 4 | n.a. | A. Papadimos; inferred | A. Papadimos | — |
| L. M. Parham | 1 | n.a. | L. M. Parham; inferred | L. M. Parham | — |
| Sensi Pastor | 1 | n.a. | S. Pastor; La Murta Observatory (J76) | S. Pastor | — |
| Praskov'ja Georgievna Parchomenko | 2 | 1886–1970 | P. Parchomenko; Praskoviya Georgievna Parchomenko, (bio-it) | P. Parchomenko | (1857) |
| John Anthony Paquette | 1 | n.a. | A. Paquette; inferred | A. Paquette | — |
| Yun-Ho Park | 2 | n.a. | Y.-H. Park; (bio-it) | Y.-H. Park | — |
| Joel W. Parker | 3 | 1962–pres. | J. W. Parker; at Southwest Research Institute, inferred | J. W. Parker; J. Wm. Parker | (13751) |
| Quentin A. Parker | 1 | n.a. | Q. A. Parker; Quentin Andrew Parker, Siding Spring, disc.: comet 119P/Parker–Hartley Src | Q. A. Parker | — |
| Murat Parmaksizoglu | 1 | n.a. | M. Parmaksizoglu; | M. Parmaksizoglu | — |
| Alois Paroubek | 1 | n.a. | A. Paroubek; (bio-it) | A. Paroubek | — |
| André Patry | 9 | 1902–1967 | A. Patry; at Nice Observatory | A. Patry | (1601) |
| Thierry Pauwels | 152 | 1957–pres. | T. Pauwels; at Uccle Observatory | T. Pauwels | (12761) |
| Thomas Payer | 4 | 1978–pres. | T. Payer; amateur, | T. Payer | — |
| Fernando Pedichini | 1 | n.a. | F. Pedichini; | F. Pedichini | — |
| Jean-Claude Pelle | 10 | 1942–pres. | J.-C. Pelle; Jean Claude George Pelle, amateur, (bio-fr) | J. C. Pelle | (84011) |
| Matthew T. Penny | 1 | n.a. | M. T. Penny; | M. T. Penny | — |
| Randy Pepper | 2 | n.a. | R. Pepper; amateur, Fort Bend Astronomy Club, (bio-it) | R. Pepper | — |
| Zenón M. Pereyra | 1 | n.a. | Z. Pereyra; disc: MPC, (bio-it) | Z. Pereyra | — |
| Davide Perna | 1 | n.a. | D. Perna; | D. Perna | — |
| Bernard Pernier | 1 | n.a. | B. Pernier; Geneva Obs. | B. Pernier | — |
| Henri Joseph Anastase Perrotin | 6 | 1845–1904 | J. Perrotin; | J. Perrotin | (1515) |
| Christian Heinrich Friedrich Peters | 48 | 1813–1890 | C. H. F. Peters; | C. H. F. Peters | (100007) |
| George Henry Peters | 3 | 1863–1947 | G. H. Peters; USNO-astronomer,Src Archived 5 September 2014 at the Wayback Machine | G. H. Peters | — |
| Jean-Marc Petit | 7 | 1961–pres. | J.-M. Petit; (bio-fr) | J.-M. Petit; J. Petit | (7740) |
| Enrico Pettarin | 1 | 1970–pres. | E. Pettarin; amateur | E. Pettarin | (7258) |
| Holly Phaneuf | 2 | n.a. | H. Phaneuf; amateur, (bio-it) | H. Phaneuf | — |
| Jeffrey L. Phinney | 4 | 1957–pres. | J. Phinney; disc: MPC, MPC, MPC and MPC | J. Phinney | (46793) |
| Franco Piani | 1 | 1955–pres. | F. Piani; amateur | F. Piani | (10573) |
| Giuseppe Piazzi | 1 | 1746–1826 | G. Piazzi; disc: Ceres | G. Piazzi | (1000) |
| Paolo Pietrapiana | 2 | n.a. | P. Pietrapriana; amateur, disc: MPC, (bio-it) | P. Pietrapiana | — |
| Michael Pietschnig | 3 | n.a. | M. Pietschnig; amateur, Src Archived 11 October 2016 at the Wayback Machine | M. Pietschnig | — |
| Giuliano Pignata | 4 | n.a. | G. Pignata; ADAS | G. Pignata | — |
| Jana Pittichová | 9 | 1972–pres. | J. Pittichová; inferred | J. Pittichova; J. Pittichová | (20187) |
| Guido Pizarro (astronomer) | 8 | n.a. | G. Pizarro; brother of Oscar Pizarro, at La Silla, (bio-it) | G. Pizarro | (4609) |
| Oscar Pizarro | 1 | n.a. | O. Pizarro; brother of Guido Pizarro, (bio-it) | O. Pizarro | (4609) |
| Gianpaolo Pizzetti | 4 | 1961–pres. | G. P. Pizzetti; amateur, (bio-it) | G. P. Pizzetti; G. Pizzetti | (233559) |
| John Platt (computer scientist) | 2 | 1963–pres. | J. Platt; | J. Platt | — |
| C. E. Plunkett | 1 | n.a. | C. E. Plunkett; inferred | C. E. Plunkett | — |
| G. A. Plyugin | 7 | 1925–pres. | G. A. Plyugin; Gurij Antonovič Pljugin, (bio-it) | G. A. Plyugin | — |
| Regina Podstanická | 1 | 1928–2000 | R. Podstanická; | R. Podstanicka | — |
| N. R. Pogson | 8 | 1829–1891 | N. R. Pogson; Norman Robert Pogson | N. R. Pogson | (1830) |
| Radosław Poleski | 1 | n.a. | R. Poleski; | R. Poleski | — |
| David Polishook | 16 | 1976–pres. | D. Polishook; David L. Polishook, MIT and Tel Aviv University, (bio-it) | D. Polishook | (8464) |
| Isidre Pòlit | 1 | 1880–1958 | I. Pòlit; Isidre Pòlit i Boixareu, (bio-it) | I. Polit | (1708) |
| Christian Pollas | 26 | 1947–pres. | C. Pollas; at Côte d'Azur Observatory, (bio-fr) | C. Pollas | (4892) |
| K. Polyakov | 1 | n.a. | K. Polyakov; co-disc. #V. Linkov | K. Polyakov | — |
| Marcel M. Popescu | 1 | n.a.–pres. | M. M. Popescu; | M. Popescu | — |
| Hejno Iogannović Potter | 1 | 1929–2007 | H. Potter; Kheino Potter, disc: MPC, (bio-it) | H. Potter | (7320) |
| Francisco Pozo | 1 | 1986–pres. | F. Pozo; Francisco Javier Pozo Núñez, (bio-es), | F. Pozo | — |
| Valentino Pozzoli | 4 | n.a. | V. Pozzoli; inferred | V. Pozzoli | — |
| Alexander Pravda | 52 | 1961–pres. | A. Pravda; (bio-it) | A. Pravda | (60972) |
| Petr Pravec | 355 | 1967–pres. | P. Pravec; | P. Pravec | (4790) |
| Donald P. Pray | 3 | 1949–pres. | D. P. Pray; at Carbuncle Hill Obs.Src and Sugarloaf Obs. Src, (bio-it) | D. P. Pray | (35364) |
| Christopher J. Pritchet | 1 | n.a.–pres. | C. J. Pritchet; | C. J. Pritchet | — |
| Gerrit Proffe | 2 | n.a. | G. Proffe; DLR inferred | G. Proffe | — |
| Enrico Prosperi | 1 | 1954–pres. | E. Prosperi; Castelmartini Obs. (160) | E. Prosperi | (33010) |
| S. Prosperi | 1 | n.a. | S. Prosperi; | S. Prosperi | — |
| Milorad B. Protić | 7 | 1911–2001 | M. B. Protić; | M. B. Protitch | (22278) |
| Timo Prusti | 10 | n.a. | T. Prusti; ESA-Gaia, first disc: (552651) | T. Prusti | — |
| Andrew W. Puckett | 22 | 1977–pres. | A. W. Puckett; Andrew Wayne Puckett | A. W. Puckett | (184011) |
| Ulisse Quadri | 1 | 1953–pres. | U. Quadri; amateur, (bio-it) | U. Quadri | (10200) |
| Herbert Raab | 1 | 1969–pres. | H. Raab; amateur, Src | H. Raab | (3184) |
| David L. Rabinowitz | 36 | 1960–pres. | D. L. Rabinowitz; | D. L. Rabinowitz; D. Rabinowitz | (5040) |
| Petar Radovan | 1 | n.a. | P. Radovan; (bio-it) | P. Radovan | — |
| Rajgopalan Rajamohan | 6 | n.a. | R. Rajamohan; (bio-it) | R. Rajamohan | — |
| Gavin Ramsay | 2 | n.a.–pres. | G. Ramsay; Armagh Observatory & Planetarium | G. Ramsay | — |
| David Rankin (astronomer) | 1 | 1984–pres. | D. Rankin; amateur | D. Rankin | (62701) |
| Yudish Ramanjooloo | 1 | n.a. | Y. Ramanjooloo; | Y. Ramanjooloo | (41458) |
| Vishnu Vardhan Reddy | 23 | 1978–pres. | V. Reddy; (bio-it) | V. Reddy | (8068) |
| Karl Wilhelm Reinmuth | 395 | 1892–1979 | K. Reinmuth; | K. Reinmuth | (1111) |
| Kevin Reil | 1 | n.a.–pres. | K. Reil; SLAC National Accelerator Lab; Skyline College | K. Reil | — |
| Guy Reiss | 5 | 1904–1964 | G. Reiss; at Algiers Observatory and Nice | G. Reiss | (1577) |
| José Antonio Reyes (astronomer) | 1 | n.a. | J. A. Reyes; La Murta Observatory (J76) | J. A. Reyes | — |
| Tomáš Rezek (astronomer) | 1 | n.a. | T. Rezek; inferred | T. Rezek | — |
| Joseph Rheden | 3 | 1873–1946 | J. Rheden; | J. Rheden | — |
| Hans Rickman | 2 | 1949–pres. | H. Rickman; at Uppsala Observatory, (bio-it) | H. Rickman | (3692) |
| Judit Györgyey Ries | 3 | n.a. | J. G. Ries; Src Archived 29 March 2022 at the Wayback Machine | J. G. Ries | — |
| Wolfgang Ries | 176 | 1968–pres. | W. Ries; amateur | W. Ries | (266887) |
| Jim Riffle | 2 | n.a. | J. Riffle; inferred | J. Riffle | — |
| Fernand Rigaux | 8 | 1905–1962 | F. Rigaux; at Uccle Observatory | F. Rigaux | (19911) |
| Claudine Rinner | 157 | 1965–pres. | C. Rinner; amateur, at Ottmarsheim Observatory | C. Rinner | (23999) |
| Keith Rivich | 5 | n.a. | K. Rivich; amateur, (bio-it) | K. Rivich | — |
| Irving Robbins (astronomer) | 1 | n.a. | I. Robbins; Src and Src Archived 31 August 2019 at the Wayback Machine | I. Robbins | — |
| Adrienne M. Robbins | 1 | n.a. | A. Robbins; Adrienne Makita Robbins, (bio-it) | A. Robbins | — |
| Larry Robinson (astronomer) | 18 | n.a. | L. Robinson; amateur, at Sunflower Observatory, (bio-it) | L. Robinson | (18873) |
| Heiner Roclawski | 1 | 1963–pres. | H. Roclawski; | H. Roclawski | — |
| Greg Rodgers | 1 | n.a. | G. Rodgers; | G. Rodgers | — |
| Tim A. Rodriquez | 1 | n.a. | T. Rodriquez; (bio-it) | T. Rodriquez | — |
| Henry G. Roe | 1 | 1975–pres. | H. G. Roe; (bio-it) | H. G. Roe | (28803) |
| James M. Roe | 102 | 1943–pres. | J. M. Roe; (bio-it) | J. M. Roe | — |
| Elizabeth Roemer | 2 | 1929–2016 | E. Roemer; | E. Roemer | (1657) |
| John E. Rogers | 3 | n.a. | J. E. Rogers; (bio-it) | J. E. Rogers | (5517) |
| Carl Roland | 1 | n.a.–pres. | C. Roland; Hawkeye Obs. (H52); amateur, assumed | C. Roland | — |
| Brian P. Roman | 11 | n.a. | B. Roman; | B. Roman | (4575) |
| Filipp Dmitrievich Romanov | 4 | 1997–pres. | F. D. Romanov; | F. D. Romanov | — |
| E. S. Romas | 3 | n.a. | E. S. Romas; first disc: (546732); at Kislovodsk Stn. (C20) | E. S. Romas; E. Romas | — |
| Amy E. Rose | 2 | 1987–pres. | A. E. Rose; | A. E. Rose | (175563) |
| Perry Rose (astronomer) | 4 | 1966–pres. | P. Rose; Perry J. Rose, at Palomar Planet Crossing Asteroid Survey | P. Rose | (9637) |
| Emily Ross | 1 | n.a. | E. Ross; inferred; with Tara Houlden | E. Ross | — |
| David Rowe (technologist) | 1 | n.a. | D. Rowe; PlaneWave Instruments | D. Rowe | — |
| René Roy (astronomer) | 9 | 1938–pres. | R. Roy; amateur, (bio-fr) | R. Roy | (14533) |
| Jiangao Ruan | 2 | 1986–pres. | J. Ruan; (阮建高), Ruan Jiangao; amateur, co-discovery with Gao Xing, supernovae, novae, C/2009 G1 (STEREO), 80+ SOHO comets | J. Ruan | (546842) |
| Eric P. Rubenstein | 1 | n.a. | E. P. Rubenstein; | E. P. Rubenstein | — |
| A. Rudd | 2 | n.a. | A. Rudd; disc: MPC and MPC | A. Rudd | — |
| Marian Rudnyk | 3 | n.a. | M. Rudnyk; (bio-it) | M. Rudnyk | — |
| Donald James Rudy | 1 | n.a. | D. Rudy; (bio-it) | D. Rudy | — |
| Jose Maria Ruiz | 9 | n.a. | J. M. Ruiz; inferred, disc: MPC | J. M. Ruiz | — |
| Vasilij Rumyantsev | 1 | n.a. | V. Rumyantsev; | V. Rumyantsev | — |
| Kenneth S. Russell | 2 | n.a. | K. S. Russell; (bio-it) | K. S. Russell | (3714) |
| John Ruthroff | 1 | n.a. | J. Ruthroff; (bio-it) | J. Ruthroff | — |
| Erin Lee Ryan | 9 | n.a. | E. L. Ryan; IAU Archived 27 October 2021 at the Wayback Machine, (547073) and (548758) | E. L. Ryan | — |
| William H. Ryan (astronomer) | 28 | 1962–pres. | W. H. Ryan; at MRO, (bio-it) | W. H. Ryan;W. Ryan | (21821) |
| Eileen V. Ryan | 1 | 1960–pres. | E. V. Ryan; wife and collaborator of William Ryan at MRO; Src | E. V. Ryan; E. Ryan | (9542) |
| John Sachs (astronomer) | 2 | n.a. | J. Sachs; amateur, disc MPC and MPC, Src, Src, unrelated to MPC | J. Sachs | — |
| Tsuyoshi Sakamoto | 11 | 1975–pres. | T. Sakamoto; Bisei Spaceguard Center, first disc: (542669) | T. Sakamoto | (23950) |
| Giuseppe A. Sala | 2 | n.a. | G. A. Sala; disc: MPC and MPC | G. A. Sala | — |
| Paolo Sala (astronomer) | 3 | 1954–pres. | P. Sala; amateur, disc: MPC, MPC and MPC, | P. Sala | — |
| George C. Sallit | 1 | n.a. | G. Sallit; (bio-it) | G. Sallit | — |
| Stephen L. Salyards | 1 | n.a. | S. L. Salyards; (bio-it) | S. L. Salyards | — |
| A. G. Samuel | 1 | n.a. | A. G. Samuel; (bio-it) | A. G. Samuel | — |
| Salvador Sánchez (astronomer) | 3 | n.a. | S. Sánchez; unrelated to MPC, (bio-it) | S. Sanchez | — |
| Allan Sandage | 1 | 1926–2010 | A. R. Sandage; | A. R. Sandage | (9963) |
| Hans-Ullrich Sandig | 1 | 1909–1979 | H.-U. Sandig; (bio-de) | H.-U. Sandig | — |
| Robert G. Sandness | 6 | n.a. | R. G. Sandness; amateur, (bio-it) | R. G. Sandness | — |
| Luigi Sannino | 2 | 1981–pres. | L. Sannino; amateur, disc: MPC and MPC, (bio-it) | L. Sannino | (58691) |
| Matteo M. M. Santangelo | 21 | n.a. | M. M. M. Santangelo; Matteo Santangelo, (bio-it) | M. M. M. Santangelo | — |
| Pablo Santos-Sanz | 1 | n.a. | P. Santos-Sanz; | P. Santos-Sanz | — |
| Krisztián Sárneczky | 627 | 1974–pres. | K. Sárneczky; | K. Sarneczky; K. Sárneczky | (10258) |
| Lenka Kotková | 262 | 1973–pres. | L. Kotková; Lenka Šarounová (née), at Ondřejov Observatory | L. Sarounova; L. Šarounová | (10390) |
| Gordon Eric Sarty | 1 | n.a. | G. E. Sarty; | G. E. Sarty | — |
| Goro Sasaki | 1 | n.a. | G. Sasaki; unrelated to MPC, (bio-it) | G. Sasaki | — |
| Humitaka Sato | 1 | n.a.–pres. | H. Sato; Kyoto University | H. Sato | — |
| Isao Satō (astronomer) | 9 | 1963–pres. | I. Satō; asteroid occultation, (bio-it) | I. Sato | (6338) |
| Naoto Satō | 142 | 1953–pres. | N. Satō; amateur | N. Sato | (6025) |
| Boris Satovski | 42 | n.a. | B. Satovski; discovered (541508), different from (212929) | B. Satovski | — |
| Paul Sava | 1 | n.a. | P. Sava; at Needville | P. Sava | — |
| Ann Savage (astronomer) | 1 | 1946–2017 | A. Savage; FRAS | A. Savage | — |
| Giulio Scarfì | 1 | 1964–pres. | G. Scarfì; amateur Src Archived 23 October 2021 at the Wayback Machine, observatories: (126) and (K78) | G. Scarfi | (69565) |
| Robert D. Schaldach | 1 | n.a. | R. D. Schaldach; co-discovered 61P/Shajn–Schaldach; (bio-fr) | R. D. Schaldach | — |
| Alexandre Schaumasse | 2 | 1882–1958 | A. Schaumasse; | A. Schaumasse | (1797) |
| Giovanni Schiaparelli | 1 | 1835–1910 | G. Schiaparelli; disc: MPC | G. Schiaparelli | (4062) |
| Christine J. Schiff | 1 | n.a. | C. J. Schiff; amateur, wife of J. L. Schiff, (bio-it) | C. J. Schiff | — |
| Joel L. Schiff | 1 | n.a. | J. L. Schiff; amateur, husband of C. J. Schiff, unrelated to MPC, (bio-it) | J. L. Schiff | — |
| Thomas Schildknecht | 3 | n.a. | T. Schildknecht; (bio-it), Src | T. Schildknecht | — |
| Frank Schiralli Jr. | 1 | n.a. | F. Schiralli Jr.; Src | F. Schiralli Jr. | — |
| Lutz D. Schmadel | 245 | 1942–2016 | L. D. Schmadel; ARI-astronomer | L. D. Schmadel; L.D. Schmadel | (2234) |
| Brian Schmidt | 1 | 1967–pres. | B. Schmidt; w/ High-Z Supernova Search Team | B. Schmidt; Schmidt, B., the High-Z team | (233292) |
| Alfred Schmitt | 4 | 1907–1973 | A. Schmitt; at Algiers and Strasbourg observatories | A. Schmitt | (1617) |
| Hans Scholl (astronomer) | 56 | 1942–pres. | H. Scholl; ARI-astronomer | H. Scholl | (2959) |
| Richard Schorr | 2 | 1867–1951 | R. Schorr; | R. Schorr | (1235) |
| Martin Schroedter | 1 | n.a. | M. Schroedter; VERITAS | M. Schroedter | — |
| Joachim Schubart | 2 | 1928–pres. | J. Schubart; (bio-de), Src | J. Schubart | (1911) |
| Lipót Schulhof | 1 | 1847–1921 | L. Schulhof; | L. Schulhof | (2384) |
| Hans-Emil Schuster | 25 | 1934–pres. | H.-E. Schuster; at La Silla | H.-E. Schuster | (2018) |
| Erwin Schwab | 98 | 1964–pres. | E. Schwab; amateur | E. Schwab | (185638) |
| Megan Schwamb | 16 | 1984–pres. | M. E. Schwamb; (bio-fr) | M. E. Schwamb; M. Schwamb | (11814) |
| Michael B. Schwartz | 254 | 1950–pres. | M. Schwartz; amateur, at Tenagra Observatory, (bio-it) | M. Schwartz | (13820) |
| Friedrich Karl Arnold Schwassmann | 22 | 1870–1964 | A. Schwassmann; | A. Schwassmann | (989) |
| James V. Scotti | 1 | 1960–pres. | J. V. Scotti; at Spacewatch | J. V. Scotti | (3594) |
| George Mary Searle | 1 | 1839–1918 | G. Searle; disc: MPC | G. Searle | — |
| William Lawrence Sebok | 2 | n.a. | W. Sebok; disc: MPC and MPC, (bio-it) | W. Sebok | — |
| Bruce A. Segal | 2 | 1959–pres. | B. A. Segal; amateur, disc: MPC and MPC, (bio-it) | B. A. Segal | (21683) |
| Carlos Segarra | 1 | n.a. | C. Segarra; Algimia-Valencia | C. Segarra | — |
| Sadao Sei | 1 | n.a. | S. Sei; at Chirorin Observatory (383) | S. Sei | — |
| Nalin Samarasinha | 1 | 1958–pres. | N. Samarasinha; | N. Samarasinha | (12871) |
| Tsutomu Seki | 225 | 1930–pres. | T. Seki; | T. Seki | (3426) |
| Alexey V. Sergeyev | 1 | n.a. | A. Sergeyev; inferred | A. Sergeev; A. Sergeyev | — |
| Carl Sexton | 9 | n.a. | C. Sexton; inferred, amateur | C. Sexton | — |
| Grigory Shajn | 3 | 1892–1956 | G. Shajn; | G. Shajn | (1648) |
| Pelageya Shajn | 19 | 1894–1956 | P. F. Shajn; | P. F. Shajn | (1190), (1648) |
| R. Shank | 3 | n.a. | R. Shank; assumed, also R. Shanks (!), co-discoveries with C. Veillet | R. Shank; R. Shanks | — |
| Scott S. Sheppard | 27 | 1977–pres. | S. S. Sheppard; | S. S. Sheppard; S. Sheppard | (17898) |
| Edwin E. Sheridan | 38 | n.a. | E. E. Sheridan; (bio-it) | E. E. Sheridan; E. Sheridan; E. Sherdian | — |
| Jia You Shih | 3 | n.a. | C.-Y. Shih; disc: MPC, MPC and MPC | C.-Y. Shih | — |
| Yoshisada Shimizu | 311 | 1943–pres. | Y. Shimizu; amateur | Y. Shimizu | (7300) |
| Hitoshi Shiozawa | 29 | n.a. | H. Shiozawa; amateur, (bio-it) | H. Shiozawa | — |
| Seiji Shirai (astronomer) | 3 | n.a. | S. Shirai; MPC, MPC, MPC | S. Shirai | — |
| Vladimir Shkodrov | 7 | 1930–2010 | V. G. Shkodrov; at the Bulgarian National Observatory | V. G. Shkodrov; V. Shkodrov | (4364) |
| Carolyn S. Shoemaker | 377 | 1929–2021 | C. S. Shoemaker; | C. S. Shoemaker | (4446) |
| Eugene M. Shoemaker | 183 | 1928–1997 | E. M. Shoemaker; | E. M. Shoemaker | (2074) |
| Philip Short (astronomer) | 1 | n.a. | P. Short; | P. Short | — |
| Sergey E. Shurpakov | 2 | 1966–pres. | S. Shurpakov; Sergey Eduardovich Shurpakov, amateur | S. Shurpakov | (279274) |
| Piero Sicoli | 43 | 1954–pres. | P. Sicoli; amateur, at Sormano Observatory | P. Sicoli | (7866) |
| Stephen Singer-Brewster | 7 | 1945–pres. | S. Singer-Brewster; at Palomar Planet Crossing Asteroid Survey | S. Singer-Brewster; S. C. Brewster | (10315) |
| Amanjot Singh | 1 | 1988–pres. | A. Singh; | A. Singh | (175562) |
| Russell Sipe | 2 | n.a. | R. Sipe; inferred, disc: MPC and MPC | R. Sipe | — |
| Brigitta Sipőcz | 46 | 1984–pres. | B. Sipőcz; (bio-de) | B. Sipocz; B. S. ocz; B. Sipőcz | — |
| Michael L. Sitko | 1 | n.a. | M. L. Sitko; inferred | M. L. Sitko | — |
| Brian A. Skiff | 62 | n.a. | B. A. Skiff; at Lowell Observatory | B. A. Skiff | (2554) |
| David R. Skillman | 17 | 1945–pres. | D. R. Skillman; | D. R. Skillman; D. Skillman | (70720) |
| Jure Skvarč | 20 | 1964–pres. | J. Skvarč; (bio-it) | J. Skvarc; J. Skvarč | (89818) |
| Evgenij Fëdorovič Skvorcov | 3 | 1882–1952 | E. Skvorcov; Evgenij Skvortsov, (bio-it) | E. Skvortsov | (1854) |
| Sonia Keys | 1 | 1961–2018 | K. Smalley; Kyle Smalley, amateur, Powell Observatory | K. Smalley | (36445) |
| Tamara Smirnova | 135 | 1935–2001 | T. M. Smirnova; | T. M. Smirnova | (5540) |
| A. C. Smith | 1 | n.a. | A. C. Smith; | A. C. Smith | — |
| Glenn Smith | 1 | 1962–Pres | G. Smith; co-disc. with M. Brown | G. Smith | — |
| Suzanne Smrekar | 1 | n.a. | S. Smrekar; Suzanne Elizabeth Smrekar; (bio-it) | S. Smrekar | — |
| Bogdan Sobczuk | 1 | n.a. | B. Sobczuk; Src | B. Sobczuk | — |
| Adam Sodor | 1 | n.a. | A. Sodor; | A. Sodor | — |
| Andrea Soffiantini | 1 | n.a. | A. Soffiantini; Carezza, Trentino (NASA) | A. Soffiantini | — |
| Patrick Sogorb | 6 | 1971–pres. | P. Sogorb; amateur, (bio-fr) | P. Sogorb | — |
| Vladimir Jakovlevič Solov'ëv | 1 | n.a. | V. Y. Solovyov; (bio-it) | V. Y. Solovyov | — |
| Y. Sorimachi (astronomer) | 2 | n.a. | Y. Sorimachi; disc: MPC and MPC | Y. Sorimachi | — |
| Giovanni Sostero | 1 | 1964–2012 | G. Sostero; amateur | G. Sostero | (9878) |
| Alfredo Sota | 4 | n.a. | A. Sota; inferred, at Sierra Nevada Observatory (J86) | A. Sota | — |
| Guy Soulié | 2 | 1920–pres. | G. Soulié; amateur, (bio-fr) | G. Soulie | (13226) |
| Timothy B. Spahr | 59 | 1970–pres. | T. B. Spahr; Timothy Bruce Spahr, at Bigelow Sky Survey | T. B. Spahr | (2975) |
| Stefano Sposetti | 166 | 1958–pres. | S. Sposetti; amateur | S. Sposetti; Stefano Sposetti | (22354) |
| Tom Stafford (astronomer) | 40 | n.a. | T. Stafford; | T. Stafford | — |
| Anton Staus | 1 | 1872–1955 | A. Staus; disc: MPC | A. Staus | — |
| Duncan Steel | 12 | 1955–pres. | D. I. Steel; | D. I. Steel | (4713) |
| W. A. Stein | 1 | n.a. | W. A. Stein; inferred | W. A. Stein | — |
| Édouard Stephan | 2 | 1837–1923 | É. Stephan; disc: MPC and MPC | E. Stephan | — |
| Peter B. Stetson | 1 | 1952–pres. | P. B. Stetson; Peter Brailey Stetson, (bio-it) | P. B. Stetson | (255703) |
| Berton L. Stevens | 59 | 1951–pres. | B. L. Stevens; amateur, Desert Moon Observatory (448), (bio-it) | B. L. Stevens | (38540) |
| Janet A. Stevens | 1 | 1950–pres. | J. Stevens; amateur, née Madenberg, wife of B. L. Stevens (bio-it) | J. Stevens | (55561) |
| Carlton F. Stewart | 1 | n.a. | C. F. Stewart; (bio-it) | C. F. Stewart | — |
| DeLisle Stewart | 1 | 1870–1941 | D. Stewart; disc: MPC | D. Stewart | — |
| Lacey Stewart | 1 | n.a. | L. Stewart; Src Archived 10 October 2016 at the Wayback Machine | L. Stewart | — |
| Jürgen Stock (astronomer) | 3 | 1923–pres. | J. Stock; | J. Stock | (4388) |
| M. Stockmaster | 1 | n.a. | M. Stockmaster; inferred | M. Stockmaster | — |
| Reiner Michael Stoss | 9 | 1975–pres. | R. M. Stoss; amateur, at Starkenburg Observatory | R. M. Stoss; R. Stoss | (7689) |
| Luca Strabla | 1 | 1963–pres. | L. Strabla; Luca Pietro Strabla, amateur, (bio-it) | L. Strabla | (35326) |
| Louis-Gregory Strolger | 1 | n.a. | L.-G. Strolger; inferred | L.-G. Strolger | — |
| Gyula Strommer | 1 | 1920–1995 | G. Strommer; (bio-it) | G. Strommer | (254876) |
| Otto Struve | 2 | 1897–1963 | O. Struve; | O. Struve | (2227) |
| Antonio Stucchi | 1 | n.a. | A. Stucchi; inferred | A. Stucchi | — |
| Jeffrey Sue | 1 | n.a. | J. Sue; inferred, at RAS Observatory (H06), Src | J. Sue | — |
| Uwe Süßenberger | 4 | n.a. | U. Süßenberger; | U. Suessenberger | — |
| Judit Szulágyi | 1 | | J. Szulágyi; | J. Szulagyi; J. Szulágyi | — |
| Matsuo Sugano | 4 | 1939–pres. | M. Sugano; amateur | M. Sugano | (5872) |
| Atsushi Sugie | 122 | n.a. | A. Sugie; at Dynic Astronomical Observatory | A. Sugie | (3957) |
| Rafael Suvanto | 1 | 1909–1940 | R. Suvanto; (bio-it) | R. Suvanto | (1927) |
| Kenzo Suzuki (astronomer) | 42 | 1950–pres. | K. Suzuki; amateur | K. Suzuki | (5526) |
| Shōhei Suzuki | 52 | n.a. | S. Suzuki; | S. Suzuki | — |
| Steven Roger Swanson | 2 | n.a. | S. R. Swanson; inferred, disc: MPC and MPC | S. R. Swanson | — |
| Frédéric Sy | 2 | 1861–1917 | F. Sy; at Algiers and Paris observatories; disc: MPC and MPC | F. Sy | (1714) |
| Gyula M. Szabó | 9 | 1979–pres. | G. Szabó; (bio-fr) | G. Szabo | (113203) |
| Tamás Szalai (astronomer) | 6 | n.a. | T. Szalai; inferred, disc: MPC and MPC | T. Szalai | — |
| Dorottya Szám | 1 | n.a. | D. Szám; amateur, (bio-it) | D. Szam | — |
| Péter Székely (astronomer) | 3 | n.a. | P. Székely; Piszkéstető Station | P. Szekely; P. Székely | — |
| Attila Szing | 6 | n.a. | A. Szing; inferred | A. Szing | — |
| D. Taeymans | 1 | n.a. | D. Taeymans; inferred | D. Taeymans | — |
| Laurence G. Taff | 10 | 1947–pres. | L. G. Taff; (bio-fr) | L. G. Taff | — |
| Ugo Tagliaferri | 2 | n.a. | U. Tagliaferri; amateur, disc: MPC and MPC, (bio-it) | U. Tagliaferri | — |
| Atsushi Takahashi | 22 | 1965–pres. | A. Takahashi; amateur, at Kitami Observatory | A. Takahashi | (4842) |
| Katalin Takáts | 1 | n.a.–pres. | K. Takáts; | K. Takats; K. Takáts | — |
| Masanori Takeishi | 13 | 1950–pres. | M. Takeishi; amateur, (bio-de) | M. Takeishi | (7776) |
| A. W. Taylor (astronomer) | 1 | n.a. | A. W. Taylor; (545546), Cordell-Lorenz Obs. (see D. T. Durig) | A. W. Taylor | — |
| D. Team (astronomer) | 2 | n.a. | D. Team; (545774), Kitt Peak | D. Team | — |
| Noéline Teamo | 240 | n.a. | N. Teamo; amateur, Hibiscus Observatory (F84) | N. Teamo | — |
| Wilhelm Tempel | 5 | 1821–1889 | E. W. Tempel; | E. W. Tempel | (3808) |
| Luciano Tesi | 192 | 1931–pres. | L. Tesi; amateur | L. Tesi; L. esi | (15817) |
| Augusto Testa | 31 | 1950–pres. | A. Testa; amateur | A. Testa | (11667) |
| Holger Thiele | 4 | 1878–1946 | H. Thiele; son of Thorvald N. Thiele | H. Thiele | (1586) |
| Bernd Thinius | 2 | 1959–pres. | B. Thinius; amateur, disc: MPC and MPC, | B. Thinius | — |
| David J. Tholen | 68 | 1955–pres. | D. J. Tholen; | D. J. Tholen; D. C. Tholen | (3255) |
| Norman G. Thomas | 55 | 1930–pres. | N. G. Thomas; | N. G. Thomas | (2555) |
| William Thuillot | 1 | 1951–pres. | W. Thuillot; inferred | W. Thuillot | (18568) |
| Dan Tibbets | 3 | n.a. | D. Tibbets; inferred, disc: MPC and MPC | D. Tibbets | — |
| Jana Tichá | 119 | 1965–pres. | J. Tichá; | J. Ticha; J. Tichá | (5757) |
| Miloš Tichý | 240 | 1966–pres. | M. Tichý; | M. Tichy; M. Tichý | (3337) |
| Jürgen Tiedtke | 1 | 1966–pres. | J. Tiedtke; amateur, co-disc. with M. Klein, FB | J. Tiedtke | — |
| Friedrich Tietjen | 1 | 1832–1895 | F. Tietjen; ARI-astronomer, disc: MPC | F. Tietjen | (2158) |
| Michael Todd (astronomer) | 5 | n.a. | M. Todd; inferred | M. Todd | — |
| Clyde Tombaugh | 15 | 1906–1997 | C. W. Tombaugh; | C. W. Tombaugh | (1604) |
| Maura Tombelli | 199 | 1952–pres. | M. Tombelli; amateur | M. Tombelli | (9904) |
| Kōichirō Tomita | 9 | 1925–2006 | K. Tomita; at the Tokyo Astronomical Observatory | K. Tomita | (2391) |
| Mario Tonincelli | 6 | n.a. | M. Tonincelli; inferred | M. Tonincelli; M.Tonincelli | — |
| John L. Tonry | 2 | 1953–pres. | J. L. Tonry; University of Hawaii, disc: MPC and MPC, (bio-de) | J. L. Tonry | (40919) |
| Carlos Torres (astronomer) | 37 | 1929–2011 | C. Torres; Carlos Torres R. (not Carlos Guillermo Torres), Src | C. Torres | (1769) |
| Y. Torres | 1 | n.a. | Y. Torres; inferred | Y. Torres | — |
| Juraj Tóth | 16 | 1975–pres. | J. Tóth; at Comenius University | J. Toth | (24976) |
| Suzanne W. Tourtellotte | 16 | 1945–2013 | S. Tourtellotte; inferred | S. Tourtellotte | — |
| Fabrizio Tozzi | 153 | 1970–pres. | F. Tozzi; amateur, (bio-it) | F. Tozzi | — |
| Richard Trentman | 3 | 1939–pres. | R. Trentman; amateur, Powell Observatory Near-Earth-Object program; disc: MPC and MPC | R. Trentman | (41279) |
| David E. Trilling | 52 | 1972–pres. | D. E. Trilling; disc: MPC and MPC | D. E. Trilling; D. Trilling | (20362) |
| Paul J. Tristram | 1 | n.a. | P. J. Tristram; MJUO, Src | P. J. Tristram | — |
| Chad Trujillo | 65 | 1973–pres. | C. Trujillo; | C. A. Trujillo; C. Trujillo; C. W. Trujillo | (12101) |
| Yuan-Sheng Tsai (astronomer) | 1 | n.a. | Y.-S. Tsai; inferred | Y.-S. Tsai | — |
| Akira Tsuchikawa | 4 | n.a. | A. Tsuchikawa; (bio-it) | A. Tsuchikawa | — |
| Roy A. Tucker | 737 | 1951–pres. | R. A. Tucker; | R. A. Tucker; R. Tucker; R.A. Tucker | (10914) |
| Vlad Tudor | 1 | n.a.–pres. | V. Tudor; | V. Tudor | — |
| D. Tuma | 1 | n.a. | D. Tuma; inferred | D. Tuma | — |
| Horace Parnell Tuttle | 2 | 1837–1923 | H. P. Tuttle; | H. P. Tuttle | (5036) |
| Andrzej Udalski | 2 | 1957–pres. | A. Udalski; disc: MPC and MPC | A. Udalski | — |
| Seiji Ueda | 705 | 1952–pres. | S. Ueda; amateur | S. Ueda | (4676) |
| Seitaro Urakawa | 4 | 1975–pres. | S. Urakawa; at Bisei | S. Urakawa | (23900) |
| Takeshi Urata | 642 | 1947–2012 | T. Urata; amateur | T. Urata | (3722) |
| Fumiaki Uto | 22 | n.a. | F. Uto; | F. Uto; T. Uto | — |
| Ovidiu Vaduvescu | 8 | n.a. | O. Vaduvescu; first: (555152) | O. Vaduvescu | — |
| Antonio Vagnozzi | 46 | 1950–pres. | A. Vagnozzi; amateur | A. Vagnozzi | (7529) |
| Marja Väisälä | 2 | 1916–2011 | M. Väisälä; Marja Ilmatar Väisälä, daughter of Y. Väisälä, disc: MPC and MPC, (bio-it) | M. Vaisala | — |
| Yrjö Väisälä | 128 | 1891–1971 | Y. Väisälä; at Turku Observatory | Y. Vaisala | (1573), (2804) |
| Mallory Vale | 3 | 1986–pres. | M. Vale; | M. Vale | (158899) |
| Jan Vales | 5 | n.a. | J. Vales; at Črni Vrh, | J. Vales | — |
| George Van Biesbroeck | 16 | 1880–1974 | G. Van Biesbroeck; | G. Van Biesbroeck | (1781) |
| Hendrik van Gent | 39 | 1899–1947 | H. van Gent; | H. van Gent | (1666) |
| Cornelis Johannes van Houten | 4643 | 1920–2002 | C. J. van Houten; | C. J. van Houten | (1673) |
| Ingrid van Houten-Groeneveld | 4644 | 1921–2015 | I. van Houten-Groeneveld; | I. van Houten-Groeneveld; I. Groeneveld | (1674) |
| Andre van Staden | 1 | n.a. | A. van Staden; inferred | A. van Staden | — |
| Andrew Vanden Heuvel | 3 | n.a. | A. Vanden Heuvel; (bio-it) | A. Vanden Heuvel | — |
| Jonathan Alexander Quirola Vásquez | 1 | 1990–pres. | J. Vasquez; Jonathan Quirola-Vásquez; J. A. Quirola‐Vásquez; Radboud University | J. Vasquez | — |
| Luděk Vašta | 1 | n.a. | L. Vašta; inferred | L. Vasta | — |
| Zdeňka Vávrová | 115 | 1945–pres. | Z. Vávrová; | Z. Vavrova | (3364) |
| Christian Veillet | 161 | 1954–pres. | C. Veillet; | C. Veillet | (16984) |
| Graziano Ventre | 4 | 1954–pres. | G. Ventre; amateur, (bio-it) | G. Ventre | (22500) |
| Krisztián Vida | 1 | 1983–pres. | K. Vida; (IAU), co-disc. #K. Sarneczky | K. Vida | — |
| Antoni Vidal | 1 | n.a. | A. Vidal; amateur, (bio-it) | A. Vidal | — |
| Ester Vigil | 1 | n.a. | E. Vigil; amateur, (bio-it) | E. Vigil | — |
| Jozef Világi | 12 | n.a. | J. Világi; inferred | J. Vilagi; J. Világi | — |
| Walter Augustin Villiger | 1 | 1872–1938 | W. Villiger; | W. Villiger | (1310) |
| George R. Viscome | 33 | 1956–pres. | G. R. Viscome; | G. R. Viscome | (6183) |
| David Voglsam | 1 | 1976-pres. | D. Voglsam; Src | D. Voglsam | — |
| Heinrich Vogt (astronomer) | 1 | 1890–1968 | H. Vogt; disc: MPC | H. Vogt | (1439) |
| Luigi Volta | 5 | 1876–1952 | L. Volta; (bio-it) | L. Volta | (383622) |
| Tomáš Vorobjov | 15 | 1984–pres. | T. Vorobjov; amateur | T. Vorobjov | (4858) |
| Christel Vuissoz | 5 | n.a. | C. Vuissoz; inferred, disc: MPC | C. Vuissoz | — |
| Libor Vyskočil | 1 | n.a. | L. Vyskočil; inferred | L. Vyskocil | — |
| Arno Arthur Wachmann | 3 | 1902–1990 | A. Wachmann; | A. Wachmann | (1704) |
| Sahil Wadhwa | 1 | n.a. | S. Wadhwa; | S. Wadhwa | — |
| Joe Wagner (astronomer) | 6 | 1964–pres. | J. Wagner; (bio-it) | J. Wagner | — |
| R. Mark Wagner | 9 | n.a. | R. M. Wagner; IAU | R. M. Wagner | — |
| Duncan Waldron | 2 | n.a. | J. D. Waldron; amateur, disc: MPC and MPC, (bio-it) | J. D. Waldron | — |
| Jasper V. Wall | 1 | n.a. | J. V. Wall; (bio-it) | J. V. Wall | — |
| Åke Wallenquist | 1 | 1904–1994 | Å. A. E. Wallenquist; at Kvistaberg Station | A. A. E. Wallenquist | (2114) |
| Brian D. Warner | 3 | 1952–pres. | B. D. Warner; photometrist, (bio-it), Src | B. D. Warner | (8734) |
| Archibald Warnock | 7 | n.a. | A. Warnock; (bio-it) | A. Warnock | — |
| Lawrence H. Wasserman | 295 | n.a. | L. H. Wasserman; occultation, (bio-it) | L. H. Wasserman | (2660) |
| Kazuro Watanabe | 671 | 1955–pres. | K. Watanabe; amateur | K. Watanabe | (4155) |
| James Craig Watson | 22 | 1838–1880 | J. C. Watson; | J. C. Watson | (729) |
| Martin Watt | 4 | n.a. | M. Watt; (bio-it) | M. Watt | — |
| J. Scott Weaver | 2 | 1940–2008 | J. S. Weaver; (bio-it) | J. S. Weaver; S. Weaver | (96344) |
| Robert Weber (astronomer) | 8 | 1926–2008 | R. Weber; | R. Weber | (6181) |
| Katrina Wefel | 2 | n.a. | K. Wefel; at Baton Rouge, disc: MPC and MPC | K. Wefel | — |
| Don J. Wells | 21 | 1965–pres. | D. Wells; amateur, (bio-it) | D. Wells | (99891) |
| Lisa Wells (astronomer) | 5 | n.a. | L. Wells; inferred; remote observer for CFHT; co-discoverer #M. Micheli: Src | L. Wells | — |
| Jim Wentworth | 1 | n.a. | J. Wentworth; inferred | J. Wentworth | — |
| Wolfgang Wenzel (astronomer) | 1 | 1929–2021 | W. Wenzel; (bio-de) | W. Wenzel | (58607) |
| Richard Martin West | 40 | 1941–pres. | R. M. West; | R. M. West | (2022) |
| Fred Lawrence Whipple | 1 | 1906–2004 | F. L. Whipple; | F. L. Whipple | (1940) |
| Minor White (astronomer) | 45 | n.a. | M. White; (bio-it) | M. White | — |
| Robert J. Whiteley | 12 | 1971–pres. | R. J. Whiteley; (bio-it) | R. J. Whiteley | (20460) |
| Paul Wiegert | 85 | 1967–pres. | P. A. Wiegert; | P. A. Wiegert | (15068) |
| Patrick Wiggins (astronomer) | 5 | 1949–pres. | P. Wiggins; amateur, (bio-it) | P. Wiggins | (4099) |
| Paul Wild (Swiss astronomer) | 94 | 1925–2014 | P. Wild; | P. Wild | (1941) |
| Peter D. Wilder | 1 | n.a. | P. D. Wilder; (bio-it) | P. D. Wilder | — |
| Iwan P. Williams | 7 | n.a. | I. P. Williams; (bio-it) | I. P. Williams | (3634) |
| James G. Williams | 1 | n.a. | J. G. Williams; Src | J. G. Williams | (2335) |
| Kenneth A. Williams | 14 | 1956–pres. | K. A. Williams; (824) Lake Clear N.Y.; astrophotographer | K. A. Williams | (14075) |
| Ryan M. Williams | 1 | n.a. | R. M. Williams; (bio-it) | R. M. Williams | — |
| John E. Willis | 1 | n.a. | J. Willis; USNO-astronomer, Src Archived 5 September 2014 at the Wayback Machine (bio-it) | J. Willis | — |
| Albert George Wilson | 5 | 1918–2012 | A. G. Wilson; | A. G. Wilson | (4015) |
| Carl A. Wirtanen | 8 | 1910–1990 | C. A. Wirtanen; | C. A. Wirtanen | (2044) |
| Edith Wirtanen | 1 | n.a. | E. Wirtanen; Edith Rand Wirtanen, wife of Carl Wirtanen, (bio-it) | E. Wirtanen | (6029) |
| Carl Gustav Witt | 2 | 1866–1946 | G. Witt; | G. Witt | (2732) |
| David Wittman | 3 | n.a. | D. Wittman; David M. Wittman | D. Wittman | — |
| Christian Wolf (astronomer) | 1 | n.a. | C. Wolf; assumed | C. Wolf | — |
| Marek Wolf | 19 | 1957–pres. | M. Wolf; | M. Wolf | — |
| Max Wolf | 248 | 1863–1932 | M. F. Wolf; | M. F. Wolf | (827) |
| Chris Wolfe | 29 | n.a. | C. Wolfe; (bio-it) | C. Wolfe | — |
| Ulrich Wolff | 2 | 1964–pres. | U. Wolff; amateur, Berlin, Src | U. Wolff | — |
| Harry Edwin Wood | 12 | 1881–1946 | H. E. Wood; | H. E. Wood | (1660) |
| Gao Xing | 8 | 1974–pres. | X. Gao; first disc: (546049), obscode:C42 | X. Gao | (204710) |
| Naotaka Yamamoto | 1 | n.a. | N. Yamamoto; (bio-it) | N. Yamamoto | — |
| Masayuki Yanai | 27 | 1959–pres. | M. Yanai; | M. Yanai | (4260) |
| Yang Tingzhang | 12 | n.a. | T.-C. Yang; (bio-it) | T.-C. Yang | — |
| Quanzhi Ye | 213 | 1988–pres | Q. Ye; Quanzhi Ye; also: Ye Quanzhi, (bio-it), Src Archived 19 January 2015 at the Wayback Machine | Q. Ye; QZ Ye; Q.-z. Ye | (10280) |
| B. Yeung | 1 | n.a. | B. Yeung; | B. Yeung | — |
| William Kwong Yu Yeung | 2049 | 1960–pres. | W. K. Y. Yeung; amateur, (bio-it) | W. K. Y. Yeung; W. K. Yeung; W. K. YEUNG | (40776) |
| Qing-zhu Yin | 1 | n.a.–pres. | Q. Yin; UC Davis | Q. Yin | — |
| M. Yoshimi | 1 | n.a. | M. Yoshimi; | M. Yoshimi | — |
| James Whitney Young | 267 | 1941–pres. | J. W. Young; | J. W. Young; J. Young | (2874) |
| Jure Zakrajšek | 7 | n.a. | J. Zakrajšek; Src | J. Zakrajsek | — |
| O. Zamora | 1 | n.a. | O. Zamora; co-disc. #O. Vaduvescu | O. Zamora | — |
| Fulvio Zanardini | 2 | n.a. | F. Zanardini; disc: MPC and MPC, (bio-it) | F. Zanardini | — |
| Luciano Zannoni | 1 | n.a. | L. Zannoni; | L. Zannoni | — |
| Vincenzo Zappalà | 9 | 1945–pres. | V. Zappalà; at Pino Torinese Observatory | V. Zappala | (2813) |
| Justas Zdanavičius | 114 | n.a. | J. Zdanavičius; (bio-it) | J. Zdanavicius | — |
| Kazimieras Zdanavičius | 1 | 1938–pres. | K. Zdanavičius; (bio-it) | K. Zdanavicius | (203823) |
| Kenneth W. Zeigler | 3 | n.a. | K. W. Zeigler; disc: MPC, (bio-it) | K. W. Zeigler | — |
| David S. Zelinsky | 1 | n.a. | D. Zelinsky; inferred | D. Zelinsky | (3042) |
| O. Zeloyniy | 2 | n.a. | O. Zeloyniy; inferred, first: (550982) | O. Zeloyniy | — |
| Xu Zhijian | 4 | 1989–pres. | Z. Xu; amateur, (546756), co-discoveries with Gao Xing, supernovae, novae, 300+ SOHO comets | Z. Xu | (546843) |
| Lyudmila Zhuravleva | 213 | 1946–pres. | L. V. Zhuravleva; Lyudmila Vasil'evna Zhuravleva; ITA-astronomer | L. V. Zhuravleva | (26087) |
| Massimo Ziboli | 4 | n.a. | M. Ziboli; amateur, disc: MPC, (bio-it) | M. Ziboli | — |
| Pavel Zigo | 1 | n.a. | P. Zigo; inferred | P. Zigo | — |
| Ute Zimmer | 24 | 1964–pres. | U. Zimmer; amateur, | U. Zimmer | — |
| Michał Żołnowski | 41 | 1975–pres. | M. Żołnowski; amateur, Rantiga Osservatorio | M. Zolnowski; M. Żołnowski; M. Żołnowsk | (384815) |
| Frank B. Zoltowski | 229 | 1957–pres. | F. B. Zoltowski; amateur | F. B. Zoltowski | (18292) |
| Giovanni Zonaro | 1 | n.a. | G. Zonaro; amateur, (bio-it) | G. Zonaro | — |
| Cristina Zurita | 1 | n.a. | C. Zurita; inferred | C. Zurita | — |
| Anna N. Żytkow | 7 | 1947–pres. | A. Żytkow; | A. Zytkow | — |

## Discovering dedicated institutions

| Institution | Discoveries | Obs. code | Link-label; info, links, and notes | Name(s) at MPC |
| Air Force Maui Optical and Supercomputing observatory | 299 | 608, 605 | AMOS; | AMOS |
| Altschwendt Observatory | 11 | A44 | Altschwendt Obs.; cite: (117156) | Altschwendt |
| Ametlla de Mar Observatory | 12 | 946 | Ametlla de Mar Obs.; | Ametlla de Mar |
| Andrushivka Astronomical Observatory | 124 | A50 | Andrushivka Obs.; | Andrushivka |
| Apache Point Observatory | 9 | 645 | Apache Point Obs.; | Apache Point |
| Argentine National Observatory | 1 | 822 | Argentine National Observatory; Córdoba Obs.; Astronomical Observatory of Córdoba; Observatorio Astronómico de Córdoba; | Córdoba; Cordoba |
| Asiago Observatory | 8 | 098 | Asiago Obs.; | Cima Ekar |
| Asiago-DLR Asteroid Survey | 219 | 209 | ADAS; | Asiago-DLR Asteroid Survey; ADAS |
| Asteroid Terrestrial-impact Last Alert System | 2 | T05, T08 M22, W68 | ATLAS; Haleakala (ATLAS-HKO) and Mauna Loa (ATLAS-MLO), as well as at Sutherland Observatory (South Africa) and El Sauce Observatory (Chile) | ATLAS; ATLAS-HKO, Haleaka |
| Astronomical Research Observatory | 96 | H55, H21 | ARO; Astronomical Research Observatory moved from Charleston (H55) to Westfield (H21) in 2009. Src | Astronomical Research Observatory; Charleston; Westfield |
| Astrovirtel | 5 | I03 | Astrovirtel; | ASTROVIRTEL |
| Sierra Remote Observatories | 3 | G53, G80 | Sierra Remote Obs.; | Auberry |
| Stardome Observatory | 1 | 466, 467 | Stardome Obs.; | Auckland |
| Bisei Asteroid Tracking Telescope for Rapid Survey | 441 | 300 | BATTeRS; | BATTeRS; Bisei SG Center |
| Badlands Observatory | 7 | 918 | Badlands Obs.; | Badlands |
| Jonathan B. Postel Observatory | 9 | 201 | Jonathan B. Postel Obs.; | Bareggio |
| Bassano Bresciano Observatory | 3 | 565 | Bassano Bresciano Obs.; aka Osservatorio Astronomico (di) Bassano Bresciano, private, it:wiki | Bassano Bresciano |
| Bastia Observatory | 1 | 197 | Bastia Obs.; | Bastia |
| Highland Road Park Observatory | 1 | 747 | Highland Road Park Obs.; | Baton Rouge |
| Bédoin Observatory | 1 | 132 | Bédoin Obs.; Observatoire de Bédoin | Bedoin |
| Begues Observatory | 2 | 170 | Begues Obs.; (Catalan: Observatori Astronòmic de Begues) | Begues |
| Bélesta Observatory | 2 | A05 | Bélesta Obs.; (576901) at Bélesta-en-Lauragais, ADAGIO society | Belesta |
| Beijing Schmidt CCD Asteroid Program | 1304 | 327 | SCAP; | Beijing Schmidt CCD Asteroid Program; NAOC Schmidt CCD Asteroid Program |
| Bergen-Enkheim Observatory | 1 | A74 | Bergen-Enkheim Obs.; | Bergen-Enkheim |
| Bergisch Gladbach Observatory | 11 | 621 | Bergisch Gladbach Obs.; | Bergisch Gladbach |
| Bohyunsan Optical Astronomy Observatory | 31 | 344 | Bohyunsan Obs.; | Bohyunsan |
| Boyden Observatory | 4 | 074 | Boyden Obs.; | Boyden Observatory |
| Bulgarian National Observatory | 10 | 071 | Bulgarian National Obs.; | Bulgarian National Observatory |
| Cala d'Hort Observatory | 1 | C85 | Cala d'Hort Obs.; (Observatorio Cala d'Hort) | Observatiorio Cala d'Hort |
| CBA-East Observatory | 1 | H86 | CBA-East Obs.; | CBA-East |
| CERGA Observatory | 24 | 010 | CERGA; Centre de recherches en géodynamique et astrométrie | CERGA |
| Catalina Sky Survey | 30578 | 703 | CSS; | CSS |
| Calar Alto Observatory | 8 | 493 | Calar Alto Obs.; | Calar Alto |
| Calvin–Rehoboth Observatory | 114 | G98 | Calvin–Rehoboth Obs.; in NM, cite: MPC, disc: MPC to Prairie School, all others to Calvin College | Calvin College; Prairie School |
| Campinas Observatory | 1 | 870 | Campinas Obs.; Observatório de Campinas | Campinas |
| Campo Catino Astronomical Observatory | 5 | 468 | Campo Catino Obs.; Osservatorio Astronomico Campo Catino | Campo Catino |
| Campo Catino Austral Observatory Survey | 5 | I10 | CAOS; | Campo Catino Austral Observatory Survey; San Pedro de CAO; CAO, San Pedro de |
| Campo Imperatore Near Earth Object Survey | 1734 | 599 | CINEOS; | CINEOS; Campo Imperatore; Campo Imperatore Near Earth Object Survey |
| Canada–France Ecliptic Plane Survey | 2 | 568 | CFEPS; Src, presumably conducted at CFHT, using generic Mauna Kea obs. code (568) | Canada-France Ecliptic Plane Survey |
| Catalina Station | 1 | 693 | Catalina Stn.; | Catalina Station |
| Cavezzo Observatory | 7 | 107 | Cavezzo Obs.; | Cavezzo |
| Cavriana Observatory | 2 | 571 | Cavriana Obs.; Osservatorio di Cavriana | Cavriana |
| Alianza S4 Observatory | 126 | I08 | Alianza S4 Obs.; | Cerro Burek |
| Cerro El Roble Observatory | 1 | 805 | Cerro El Roble Stn.; | Cerro El Roble |
| Paranal Observatory | 5 | 309 | Paranal Obs.; | Cerro Paranal |
| Cerro Tololo Inter-American Observatory | 249 | 807 | Cerro Tololo Obs.; | Cerro Tololo |
| Cerro Tololo-LCO | 1 | W85, W86, W87 | CTIO-LCO; Las Cumbres Observatory (LCO) node at CTIO | Cerro Tololo-LCO B |
| Chante-Perdrix Observatory | 162 | A77 | Chante-Perdrix Obs.; Observatoire Chante-Perdrix | Chante-Perdrix |
| Cielo Profundo Observatory | 1 | J01 | Cielo Profundo Obs.; (541487) | Observatorio Cielo |
| Colleverde di Guidonia Observatory | 2 | 596 | Colleverde Obs.; Osservatorio Colleverde di Guidonia | Colleverde |
| Copenhagen University Observatory | 8 | 035 | Copenhagen Obs.; | Copenhagen Observatory |
| Cordell–Lorenz Observatory | 30 | 850 | Cordell–Lorenz Obs.; | Cordell-Lorenz |
| Crimean Astrophysical Observatory | 13 | 095 | Crimean Astrophysical Obs.; | Crimean Astrophysical Observatory |
| Črni Vrh Observatory | 427 | 106 | Črni Vrh; | Crni Vrh |
| Dark Energy Camera | 81 | W84 | CTIO-DECam; | DECam; Cerro Tololo-DECam |
| Dark Energy Survey | 6 | W84 | CTIO-DES; | Dark Energy Survey |
| Dax Observatory | 8 | 958 | Dax Obs.; Observatoire de Dax | Dax |
| Deep Ecliptic Survey | 9 | 695 | DES; | Deep Ecliptic Survey |
| Deep Lens Survey | 80 | 807 | DLS; | Deep Lens Survey |
| Drebach Observatory | 16 | 113 | Drebach Obs.; | Drebach; Volkssternwarte Drebach |
| Doc Greiner Research Observatory | 1 | G48 | Greiner Obs.; | Doc Greiner Research Observatory |
| European Near Earth Asteroids Research | 12 | 809 | EURONEAR; | EURONEAR |
| Desert Wanderer Observatory | 2 | G78 | Desert Wanderer Obs.; | El Centro |
| Farpoint Observatory | 137 | 734 | Farpoint Obs.; cite: MPC, NEKAAL, Kansas | Farpoint; Eskridge |
| Walter Hohmann Observatory | 11 | 636 | Walter Hohmann Obs.; | Essen |
| European Southern Observatory | 2 | 809 | ESO; | European Southern Observatory |
| Everstar Observatory | 3 | 849 | Everstar Obs.; | Everstar |
| Eygalayes Observatory | 1 | B44 | Eygalayes Obs.; | Eygalayes |
| Farra d'Isonzo Observatory | 225 | 595 | Farra d'Isonzo; | Farra d'Isonzo; CCAF |
| Faulkes Telescope Educational Project | 3 | 608 | Faulkes Project; | Faulkes Telescope Educational Project |
| Faulkes Telescope North | 5 | F65 | Haleakala-Faulkes; | Haleakala |
| Félix Aguilar Observatory | 63 | 808 | Félix Aguilar Obs.; | Felix Aguilar Observatory |
| Fountain Hills Observatory | 35 | 678 | Fountain Hills Obs.; | Fountain Hills |
| Frasso Sabino Observatory | 2 | 157 | Frasso Sabino Obs.; Osservatorio di Frasso Sabino | Frasso Sabino |
| Goodricke-Pigott Observatory | 75 | 683 | Goodricke-Pigott Obs.; | Goodricke-Pigott |
| Great Shefford Observatory | 10 | J95 | Great Shefford Obs.; | Great Shefford |
| Harvard College Observatory | 55 | 800, 802 | Harvard Obs.; | Harvard Observatory |
| Haute-Provence Observatory | 5 | 511 | Haute-Provence Obs.; | Haute Provence; Institute d'Astrophysics |
| Hawkeye Observatory | 1 | H52 | Hawkeye Obs.; | Hawkeye |
| Herrenberg Observatory | 1 | 240 | Herrenberg Obs.; | Herrenberg |
| Hibiscus Observatory | 3 | F84 | Hibiscus Obs.; | Hibiscus |
| Hormersdorf Observatory | 6 | A35 | Hormersdorf Obs.; | Hormersdorf |
| Hunters Hill Observatory | 1 | E14 | Hunters Hill Obs.; | Hunters Hill |
| IAA-AI Atacama | 2 | I16 | IAA-AI; | IAA-AI |
| International Near-Earth Asteroid Survey | 8 | 675 | INAS; | INAS |
| Infrared Astronomical Satellite | 4 | 500 | IRAS; | IRAS |
| International Scientific Optical Network | 10 | H15 | ISON; | ISON |
| ASC-Kislovodsk Observatory | 11 | D00 | ASC-Kislovodsk; | ASC-Kislovodsk; ISON-Kislovodsk Observatory |
| Indiana Asteroid Program | 119 | 760 | Indiana University; | Indiana University |
| Ishigakijima Astronomical Observatory | 2 | D44 | Ishigakijima Obs.; disc: MPC and MPC | Ishigakijima |
| JATE Asteroid Survey | 1 | 461 | JATE Asteroid Survey; | JATE Asteroid Survey |
| Japan Spaceguard Association | 1 | 381 | JSGA; | Japan Spaceguard Association |
| Jarnac Observatory | 168 | G92 | Jarnac Obs.; | Jarnac |
| John J. McCarthy Observatory | 1 | 932 | John J. McCarthy Obs.; | John J. McCarthy |
| Jonathan B. Postel Observatory | 1 | 201 | Jonathan B. Postel Obs.; | Jonathan B. Postel |
| Junk Bond Observatory | 53 | 701 | Junk Bond Obs.; | Junk Bond |
| Jura Observatory | 6 | 185 | Jura Obs.; (42113) | Vicques |
| Kepler (spacecraft) | 1 | C55 | Kepler; | KEPLER |
| Klet Observatory near Earth and other unusual objects observations team and telescope | 36 | 246 | KLENOT; | KLENOT |
| Kachina Observatory | 5 | G89 | Kachina Obs.; | Kachina |
| Kambah Observatory | 1 | 415 | Kambah Obs.; | Kambah |
| Kiso Observatory | 3 | 381 | Kiso Obs.; | Kiso |
| Kitt Peak National Observatory | 104 | 695 | Kitt Peak Obs.; | Kitt Peak |
| Kleť Observatory | 301 | 046 | Kleť Obs.; | Klet |
| Kvistaberg Observatory | 6 | 049 | Kvistaberg Obs.; | Kvistaberg; Uppsala-Kvistaberg |
| Lincoln Near-Earth Asteroid Research | 150558 | 704 | LINEAR; | LINEAR |
| Lowell Observatory Near-Earth-Object Search | 22852 | 688 | LONEOS; | LONEOS; Lowell Observatory Near-Earth Asteroid Survey |
| Lulin Sky Survey | 305 | D35 | LUSS; | LUSS |
| Roque de los Muchachos Observatory | 39 | 950 | La Palma Obs.; | La Palma |
| La Plata Observatory | 5 | 839 | La Plata Obs.; | La Plata |
| La Silla Observatory | 27 | I05 | La Silla Obs.; | La Silla |
| Mount John University Observatory | 5 | 474 | Mount John Obs.; | Lake Tekapo |
| Las Campanas Observatory | 1 | 304 | Las Campanas Obs.; | Las Campanas |
| Les Engarouines Observatory | 3 | A14 | Les Engarouines Obs.; Observatoire des Engarouines, Laurent Bernasconi, (541609) | Les Engarouines |
| Lick Observatory | 4 | 662 | Lick Obs.; | Lick Observatory |
| LightBuckets Observatory | 4 | B10, H11 | LightBuckets Obs.; | LightBuckets |
| Lincoln Laboratory's Experimental Test Site | 8 | 704 | Lincoln Lab ETS; | Lincoln Laboratory ETS; Socorro |
| Liverpool Telescope | 1 | J13 | La Palma-Liverpool; | La Palma-Liverpool |
| Davidschlag Observatory | 5 | 540 | Davidschlag Obs.; Linz Observatory | Linz |
| Loiano Observatory | 1 | 598 | Loiano Obs.; Osservatorio Astronomico di Loiano | Loiano |
| Los Molinos Observatory | 2 | 844 | Los Molinos Obs.; | Los Molinos |
| Lowell Observatory | 3 | 690 | Lowell Obs.; | Lowell Observatory |
| Lowell Discovery Telescope | 1 | G37 | Lowell Discovery Tel.; | Flagstaff |
| Lulin Observatory | 24 | D35 | Lulin Obs.; | Lulin |
| OGS Telescope | 203 | J04 | ESA OGS; | ESA OGS |
| Lumezzane Observatory | 1 | 130 | Lumezzane Obs.; Osservatorio Astronomico Serafino Zani | Lumezzane |
| Madonna di Dossobuono Observatory | 7 | 560 | Madonna di Dossobuono Obs.; (Osservatorio Madonna di Dossobuono) | Madonna di Dossobuono |
| Majdanak Observatory | 3 | 188 | Majdanak Obs.; | Majdanak |
| Málaga Observatory | 1 | J40 | Málaga Obs.; | Malaga |
| Consell Observatory | 2 | 176 | Consell Obs.; (Observatorio Astronómico de Consell) | Consell |
| Marxuquera Observatory | 1 | 952 | Marxuquera Obs.; Observatori Astronòmic Marxuquera | Marxuquera |
| MASTER-SAAO Telescope | 1 | K95 | MASTER; at South African Astronomical Observatory | MASTER |
| MASTER-II Observatory | 1 | C41, C94, D54 | MASTER-II Observatories at Kislovodsk, Tunka, and Blagoveshchensk, respectively; | MASTER-II |
| Mauna Kea Observatories | 476 | 568 | Mauna Kea Obs.; | Mauna Kea; Maunakea |
| iTelescope Observatory | 43 | H06, H10 | iTelescope Obs.; | Mayhill |
| McDonald Observatory | 2 | 711, V37 | McDonald Obs.; | McDonald Observatory |
| Llano del Hato National Astronomical Observatory | 1 | 303 | Llano del Hato Obs.; | Mérida |
| Mirasteilas Observatory | 1 | B67 | Mirasteilas Obs.; (541318) | Falera |
| Modra Observatory | 15 | 118 | Modra Obs.; | Modra |
| Molėtai Astronomical Observatory | 43 | 152 | Molėtai Obs.; | Moletai |
| Monte Viseggi Observatory | 4 | 126 | Monte Viseggi Obs.; Osservatorio Monte Viseggi | Monte Viseggi |
| Moriyama Observatory | 1 | 900 | Moriyama Obs.; | Moriyama |
| Mount Lemmon Survey | 89589 | G96 | Mount Lemmon Survey; | Mt. Lemmon Survey; Mount Lemmon Survey |
| Mount Lemmon Sky Center | 1 | G84 | Mount Lemmon Sky Center; lowest (542072) | Mount Lemmon SkyCenter; Mount Lemmon SkyCe |
| Near-Earth Asteroid Tracking | 44263 | 566, 644 | NEAT; | NEAT; Haleakala-NEAT/GEO |
| Nachi-Katsuura Observatory | 1 | 905 | Nachi-Katsuura Obs.; | Nachi-Katsuura |
| SFA Observatory | 4 | 740 | SFA Obs.; | Nacogdoches |
| Nakagawa Observatory | 1 | D74 | Nakagawa Obs.; | Nakagawa |
| Nanchuan Observatory | 1 | D14 | Nanchuan Obs.; | Nanchuan |
| George Observatory | 220 | 735 | Needville Obs.; | Needville |
| Network of European Observatories in the North | 1 | J50 | NEON; La Palma Obs. | La Palma-NEON |
| New Horizons KBO Search | 2 | 250, 266–269 | New Horizons KBO Search; first discovery (516977); lowest numbered discovery (486958) | New Horizons KBO Search; New Horizons Search Team |
| John J. McCarthy Observatory | 3 | 932 | John J. McCarthy Obs.; | New Milford |
| Nyrölän observatorio | 1 | 174 | Nyrölä; | Nyrola |
| Mount Nyukasa Station | 116 | 408 | Mount Nyukasa Stn.; | Nyukasa |
| Astronomical Observatory of Mallorca | 2869 | 620, J75 | OAM Obs.; Astronomical Observatory of Mallorca (620), La Sagra Observatory (J75); La Sagra alias inferred not to be L98 due to MPC discovery circumstance changes to 614006, 614007, 614008 | OAM; OAM Observatory; La Sagra |
| OCA-Anza Observatory | 1 | 643 | OCA-Anza; Orange County Astronomers - Anza | OCA-Anza |
| OCA–DLR Asteroid Survey | 1089 | 910 | ODAS; | ODAS |
| Oak Ridge Observatory | 38 | 801 | Oak Ridge Observatory; | Oak Ridge Observatory |
| Oakley Observatory | 3 | 916, E09 | Oakley Obs.; | Oakley |
| Observatory Naef Épendes | 24 | A13 | Naef Obs.; | Observatoire Naef |
| Montcabre Observatory | 1 | 213 | Montcabre Obs.; Observatorio Montcabre | Observatorio Montcabre |
| Sunflower Observatory | 10 | 739, 849 | Olathe; | Olathe |
| Ondřejov Observatory | 25 | 557 | Ondřejov Obs.; (Observatoř Ondřejov), cite MPC | Ondrejov |
| Nihondaira Observatory Oohira Station | 6 | 385 | Oohira Stn.; | Oohira |
| Cima Rest Observatory | 1 | B11 | Cima Rest Obs.; Osservatorio Cima Rest | Osservatorio Cima Rest |
| Polino Observatory | 2 | 609 | Polino Obs.; Osservatorio Polino | Osservatorio Polino |
| San Vittore Observatory | 99 | 552 | San Vittore Obs.; Osservatorio San Vittore | Osservatorio San Vittore |
| Ottmarsheim Observatory | 15 | 224 | Ottmarsheim Obs.; Observatoire d'Ottmarsheim | Ottmarsheim |
| Outer Solar System Origins Survey | 40 | 568 | OSSOS; lowest numbered discovery: (496315) | Outer Solar System Origins Survey |
| Oukaïmeden Observatory | 1 | J43 | Oukaïmeden Obs.; (541778) | Oukaimeden |
| Palomar Planet-Crossing Asteroid Survey | 20 | 675 | PCAS; | PCAS |
| PMO NEO Survey Program | 761 | 330 | PMO NEO; | PMO NEO Survey Program; PMO Neo Survey Program |
| Palomar Observatory | 60 | 675 | Palomar Obs.; | Palomar; Palomar Mountain-D; Palomar Mountain |
| Palomar Transient Factory | 143 | I41 | PTF; | Palomar Transient Factory |
| Pan-STARRS | 23414 | F51 | Pan-STARRS; | Pan-STARRS 1; Pan-STARRS1 |
| Pan-STARRS 2 | 52 | F52 | Pan-STARRS 2; first discovery 515767 | Pan-STARRS 2 |
| Beijing Astronomical Observatory | 1 | 324, 327 | Peking Obs.; | Peking Observatory |
| Perth Observatory | 29 | 319, 322 | Perth Obs.; | Perth Observatory |
| Pic du Midi Observatory | 9 | 586 | Pic du Midi Obs.; French: Observatoire du Pic du Midi, cite: MPC | Pic du Midi |
| Pises Observatory | 44 | 122 | Pises Obs.; Observatoire des Pises | Pises |
| Piszkéstető Station | 5 | 461, 561 | Piszkéstető Stn.; | Piszkesteto |
| Pla D'Arguines Observatory | 43 | 941 | Pla D'Arguines Obs.; Observatorio Astronomico Pla D'Arguines | Pla D'Arguines |
| Pleiade Observatory | 1 | H96 | Pleiade Obs.; | Pleiade |
| Polonia Observatory | 1 | W98 | Polonia Obs.; | Polonia |
| Powell Observatory | 22 | 649 | Powell Obs.; | Powell |
| Prairie Grass Observatory | 2 | H59 | Prairie Grass Obs.; | Prairie Grass |
| Puckett Observatory | 1 | 752, 764 | Puckett Obs.; | Puckett |
| Purple Mountain Observatory | 150 | 330 | Purple Mountain Obs.; | Purple Mountain Observatory |
| Q. s. observers | 7 | G96, 691, F51, D03 | Q. s. observers; | Q. s. observers; observers, q.-s.; observers, Q. s.; q.-s. observers |
| Rantiga Observatory | 1 | D03 | Rantiga Obs.; Rantiga Osservatorio, Carpineti | Tincana |
| Reedy Creek Observatory | 1 | 428 | Reedy Creek Obs.; (541609) | Reedy Creek |
| Remanzacco Observatory | 9 | 473 | Remanzacco Obs.; | Remanzacco |
| Royal Observatory Edinburgh | 7 | 277 | Edinburgh Obs.; | Royal Observatory Edinburgh |
| Santa Lucia Stroncone Astronomical Observatory | 55 | 589 | Santa Lucia Obs.; | Stroncone |
| Santa Maria de Montmagastrell Observatory | 3 | B74 | Montmagastrell Obs.; Observatory Santa Maria de Montmagastrell | SM Montmagastrell |
| Saint-Sulpice Observatory | 19 | 947 | Saint-Sulpice Obs.; | Saint-Sulpice |
| Saji Observatory | 22 | 867 | Saji Obs.; | Saji |
| Pistoia Mountains Astronomical Observatory | 36 | 104 | Pistoia Mountains Obs.; Italian: Osservatorio Astronomico della Montagna Pistoiese | San Marcello |
| National Astronomical Observatory (Mexico) | 1 | 679 | OAN Mexico; | San Pedro Martir |
| Sandlot Observatory | 6 | H36 | Sandlot Obs.; | Sandlot |
| Schiaparelli Observatory | 7 | 204 | Schiaparelli Obs.; | Schiaparelli |
| SDSS Collaboration | 706 | 645 (705) | SDSS Collaboration; (544266), (546719), HP | SDSS Collaboration; S. Collaboration |
| Shandong University Observatory | 16 | D39 | Shandong University Obs.; | Shandong University |
| Shishikui Observatory | 1 | 342 | Shishikui; | Shishikui |
| Siding Spring Observatory | 4 | 413 | Siding Spring Obs.; | Siding Spring; Siding Spring-Faul; Spring-Faul, Siding |
| Siding Spring Survey | 3505 | E12 | SSS; | Siding Spring Survey |
| Sierra Nevada Observatory | 5 | J86 | Sierra Nevada Obs.; | Sierra Nevada |
| Sierra Stars Observatory | 8 | G68 | Sierra Stars Obs.; | Sierra Stars |
| Silver Spring Observatory | 2 | H85 | Silver Spring Obs.; | Silver Spring |
| Simeiz Observatory | 1 | 094 | Simeiz Obs.; | Simeis; Crimea-Simeiz |
| Skylive Observatory | 1 | B40 | Skylive Obs.; | Skylive |
| Sloan Digital Sky Survey | 1874 | 645 | SDSS; | Sloan Digital Sky Survey; Sloan Digital Sky Survey Linked Object Catalog team |
| SONEAR Observatory | 3 | Y00 | SONEAR Obs.; | SONEAR |
| Sormano Astronomical Observatory | 1 | 587 | Sormano Obs.; | Sormano |
| Spacewatch | 176020 | 691 | Spacewatch; | Spacewatch |
| Space Surveillance Telescope | 10 | G45 | Space Surveillance Telescope; lowest numbered discovery MPC: 512234 | Space Surveillance Telescope |
| Observatory of Saint-Veran | 45 | 615 | Saint-Véran Obs.; | St. Veran |
| Saint Pardon de Conques Observatory | 1 | I93 | St Pardon de Conques Obs.; | St Pardon de Conques |
| Starkenburg Observatory | 53 | 611 | Starkenburg Obs.; | Starkenburg; Heppenheim |
| Steward Observatory | 1 | 692 | Steward Obs.; if code 691, its Kitt-Peak Spacewatch | Steward |
| Stony Ridge Observatory | 2 | 671 | Stony Ridge Obs.; | Stony Ridge |
| Sub-Kilometer Asteroid Diameter Survey | 21 | 695 | SKADS; HP | SKADS |
| Suno Observatory | 4 | 147 | Suno Obs.; Osservatorio Astronomico di Suno | Suno; Osservatorio Astronomico di Suno |
| Sutherland-LCO | 1 | K91, K92, K93 | SAAO-LCO; Las Cumbres Observatory at South African Astronomical Observatory | Sutherland-LCO C |
| Table Mountain Observatory | 2 | 673, 673 | Table Mountain Obs.; | Wrightwood |
| Taunus Observatory | 3 | B01 | Taunus Obs.; | Taunus |
| Teide Observatory | 6 | 954 | Teide Obs.; | Teide |
| Tenagra Observatory | 6 | 848 | Tenagra Obs.; | Tenagra; Cottage Grove |
| Tenagra II Observatory | 117 | 926 | Tenagra II Obs.; | Tenagra II; Nogales |
| Oakley Observatory | 1 | H22 | Oakley Obs.; | Terre Haute |
| Terskol Observatory | 3 | B18 | Terskol Obs.; | Terskol |
| Three Buttes Observatory | 2 | G90 | Three Buttes Obs.; | Three Buttes |
| Tiki Observatory | 2 | F85 | Tiki Obs.; Puna'auia (202773) (541566) | Tiki |
| TRAPPIST | 1 | I40 | Transiting Planets and Planetesimals Small Telescope (TRAPPIST); | TRAPPIST |
| Cégep de Trois-Rivières Observatory | 1 | 924 | Cégep de Trois-Rivières Obs.; Observatoire du Cégep de Trois-Rivières | Trois-Rivieres |
| Turtle Star Observatory | 2 | 628 | Turtle Star Obs.; cite: MPC, disc: MPC, MPC | Turtle Star; Mulheim-Ruhr |
| Tzec Maun Observatory | 18 | D25, H10 | Tzec Maun Obs.; | Tzec Maun |
| Uppsala–ESO Survey of Asteroids and Comets | 1123 | 809 | UESAC; MPC | UESAC; UESAC, Comets |
| Royal Observatory of Belgium | 13 | 012 | Uccle Obs.; | Uccle |
| Uenohara Observatory | 2 | 376 | Uenohara Obs.; | Uenohara |
| National Astronomical Observatory (Chile) | 3 | 805 | University of Chile; | University of Chile |
| Uppsala–DLR Asteroid Survey | 262 | 049 | UDAS; | Uppsala-DLR Asteroid Survey |
| Uppsala–DLR Trojan Survey | 62 | 809 | UDTS; | Uppsala-DLR Trojan Survey |
| Valinhos Observatory | 2 | 860 | Valinhos Obs.; | Valinhos |
| Vallemare di Borbona Observatory | 2 | A55 | Vallemare di Borbona Obs.; Osservatorio Astronomico Vallemare di Borbona | Vallemare Borbona |
| Valmeca Observatory | 6 | 184 | Valmeca Obs.; | Valmeca |
| Vatican Advanced Technology Telescope | 7 | 290, G83 | VATT; code 290, prolematic Mt. Gramham also for LBT (G83) | Mount Graham |
| Village-Neuf Observatory | 2 | 138 | Village-Neuf Obs.; | Village-Neuf |
| Višnjan Observatory | 108 | 120 | Višnjan Obs.; | Visnjan |
| Fred Lawrence Whipple Observatory | 1 | 696 | Whipple Obs.; | Whipple |
| Wide-field Infrared Survey Explorer | 4639 | C51 | WISE; | WISE |
| Wildberg Observatory | 1 | 198 | Wildberg Obs.; (541268) | Wildberg |
| Wise Observatory | 19 | 097 | Wise Obs.; | Wise |
| Xinglong Station (NAOC) | 5 | 327 | Xinglong Stn.; | Xinglong; Peking |
| Yamagata Astronomical Observatory | 2 | D89 | Yamagata Obs.; | Yamagata |
| Zadko Observatory | 1 | D20 | Zadko Obs.; | Zadko |
| Zelenchukskaya Station | 8 | 114 | Zelenchukskaya Stn.; | Zelenchukskaya Stn |
| Zvezdno Obshtestvo Observatory | 2 | A79 | Zvezdno Obshtestvo Obs.; | Zvezdno Obshtestvo |
| Zwicky Transient Facility | 1 | I41 | ZTF; | Zwicky Transient Facility |
| 7300 Observatory | 4 | H07 | 7300 Obs.; | 7300 |

## Discovering sites

| Discovery site | Obs. codes present | Country | Link-label; info, links, and notes | Name(s) at MPC |
| Mount Lemmon Observatory | G96 | | | Mount Lemmon |