# List of entomologists

The following is a list of entomologists, scientists who study insects.
| Name | Born | Died | Country | Speciality |
| A | | | | |
| Lajos Abafi | 1840 | 1909 | Hungary | Lepidoptera |
| John Abbot | 1751 | 1840 | United States | |
| Elzéar Emmanuel Arène Abeille de Perrin | 1843 | 1910 | France | Coleoptera; Diptera; Orthopteroidea |
| Camillo Acqua | 1863 | 1936 | Italy | Sericulture |
| Tsunamitsu Adachi | 1901 | 1981 | Japan | Coleoptera |
| Adam Afzelius | 1750 | 1837 | Sweden | |
| Louis Agassiz | 1807 | 1873 | Switzerland / United States | Coleoptera |
| August Ahrens | 1779 | 1841 | Germany | Coleoptera |
| John Merton Aldrich | 1866 | 1934 | United States | Diptera |
| Ulisse Aldrovandi | 1522 | 1605 | Italy | |
| Charles Paul Alexander | 1889 | 1981 | United States | Diptera |
| Wilfred Backhouse Alexander | 1885 | 1965 | United Kingdom | |
| Anastase Alfieri | 1892 | 1971 | Italy | Coleoptera |
| Ernest Allard | 1820 | 1900 | France | Coleoptera |
| Vincent Allard | 1921 | 1994 | Belgium | Coleoptera: Scarabaeidae: Cetoniinae |
| Anthony Adrian Allen | 1913 | 2010 | United Kingdom | Coleoptera |
| Harry W. Allen | 1892 | 1981 | United States | |
| Charles A. Alluaud | 1861 | 1949 | France | |
| Emmanuel Babatunde Alo | 1950 | | Nigeria | |
| Carlo Alzona | 1881 | 1961 | Italy | Coleoptera |
| William de Alwis | 1842 | 1916 | Sri Lanka | Lepidoptera |
| Charles Jean-Baptiste Amyot | 1799 | 1866 | France | Hemiptera |
| César Marie Félix Ancey | 1860 | 1906 | France | Hemiptera |
| Félix Jean Marie Louis Ancey | 1835 | 1919 | France | Coleoptera, Hymenoptera |
| Alfredo Andreini | 1870 | 1943 | Italy | |
| Herbert Edward Andrewes | 1863 | 1950 | England | Coleoptera - Carabidae |
| Louis Gabriel d'Antessanty | 1834 | 1922 | France | Hemiptera, Orthoptera, Coleoptera |
| Charles S. Apperson | | | United States | Medical entomology: vectors, such as Parasitiformes and Diptera |
| Ross H. Arnett Jr. | 1919 | 1999 | United States | Coleoptera |
| Konstantin Vladimirovich Arnoldi | 1901 | 1982 | Russia (USSR) | Hymenoptera: Formicidae |
| Johan Emil Aro | 1874 | 1928 | Finland | Ephemeroptera |
| Gilbert John Arrow | 1873 | 1948 | United Kingdom | Coleoptera |
| Syoziro Asahina | 1913 | 2010 | Japan | Odonata |
| William Harris Ashmead | 1855 | 1905 | United States | Hymenoptera |
| E. C. M. d'Assis-Fonseca | 1899 | 1993 | United Kingdom | Diptera |
| Edwin Felix Thomas Atkinson | 1840 | 1890 | Ireland | Hemiptera |
| William Stephen Atkinson | 1820 | 1876 | India | Lepidoptera |
| Charles Nicholas Aubé | 1802 | 1869 | France | Coleoptera |
| Jean Guillaume Audinet-Serville | 1775 | 1858 | France | Orthoptera |
| Jean Victoire Audouin | 1797 | 1841 | France | |
| Per Olof Christopher Aurivillius | 1843 | 1928 | Sweden | Coleoptera, Lepidoptera |
| Jules Léon Austaut | 1844 | 1929 | France | Lepidoptera |
| Ernest Edward Austen | 1867 | 1938 | United Kingdom | Diptera, Hymenoptera |
| Andrey Avinoff | 1884 | 1949 | Russia (Ukraine) / United States | Lepidoptera |
| B | | | | |
| André Badonnel | 1898 | 1991 | France | Psocoptera |
| Martin Baehr | 1943 | 2019 | Germany | |
| Francisco E. Baisas | 1896 | 1973 | Philippines | |
| Alfred Balachowsky | 1901 | 1983 | Russia / France | Hemiptera, Coleoptera |
| George Eugene Ball | 1926 | 2019 | United States | Coleoptera |
| Mary Ball | 1812 | 1892 | Ireland | Odonata, Hemiptera |
| Vladimír Balthasar | 1897 | 1978 | Czech Republic (Czechoslovakia) | Coleoptera: Scarabaeoidea; Hymenoptera: Chrysidoidea, Sphecoidea (= Spheciformes) |
| Joseph Sugar Baly | 1816 | 1890 | United Kingdom | Coleoptera |
| John Banister | 1650 | 1692 | United Kingdom | |
| Nathan Banks | 1868 | 1953 | United States | Neuroptera, Megaloptera, Hymenoptera |
| Constant Bar | 1817 | 1884 | France | |
| Herbert Spencer Barber | 1882 | 1950 | United States | |
| Max Barclay | | | United Kingdom | Coleoptera |
| Philip James Barraud | 1879 | 1948 | United Kingdom | Diptera |
| Edward M. Barrows | 1946 | | United States | Hymenoptera: Xylocopa virginica |
| Eugène Barthe | 1862 | 1945 | France | Coleoptera |
| Agostino Bassi | 1773 | 1856 | Italy | |
| Henry Walter Bates | 1825 | 1892 | United Kingdom | |
| Marston Bates | 1906 | 1974 | United States | Diptera |
| Flaminio Baudi di Selve | 1821 | 1901 | Italy | Coleoptera, Heteroptera |
| Palisot de Beauvois | 1752 | 1820 | France | |
| Roger A. Beaver | | | United Kingdom | |
| Eduard Becher | 1856 | 1886 | Austria | Diptera |
| Jan Bechyně | 1920 | 1973 | Czech Republic (Czechoslovakia) | Coleoptera: Chrysomelidae |
| Theodor Becker | 1840 | 1928 | Germany | Diptera |
| Ernest Marie Louis Bedel | 1849 | 1922 | France | Coleoptera |
| Jacqueline Beggs | 1962 | | New Zealand | |
| Louis Beguin-Billecocq | 1865 | 1957 | France | Coleoptera |
| Hans Hermann Behr | 1818 | 1904 | Germany / United States | Lepidoptera |
| Bryan Patrick Beirne | 1918 | 1998 | Ireland | Lepidoptera, Hymenoptera |
| Gustav Wilhelm Belfrage | 1834 | 1882 | United States | |
| John N. Belkin | 1913 | 1980 | United States | |
| Ross Taylor Bell | 1929 | 2019 | United States | Coleoptera: Carabidae |
| Luigi Bellardi | 1859 | 1889 | Italy | Diptera |
| Jean-Baptiste Eugène Bellier de La Chavignerie | 1819 | 1888 | France | Lepidoptera |
| Joseph Charles Bequaert | 1886 | 1982 | Belgium | Diptera |
| May Berenbaum | 1953 | | United States | |
| Julius von Bergenstamm | 1837 | 1896 | Austria | Diptera |
| Georges Bernardi | 1922 | 1999 | France | Lepidoptera: Pieridae |
| Grigory Yakovlevich Bey-Bienko | 1903 | 1971 | Russia (USSR) | Blattodea; Dermaptera; Orthoptera; General and Economic entomology |
| Mario Bezzi | 1868 | 1927 | Italy | Diptera |
| Czesław Bieżanko | 1895 | 1985 | Poland | Lepidoptera |
| George Carter Bignell | 1826 | 1910 | United Kingdom | Lepidoptera; Hymenoptera: mainly Ichneumonidae |
| Jacques-Marie-Frangile Bigot | 1818 | 1893 | France | Diptera |
| Gustaf Johan Billberg | 1772 | 1844 | Sweden | |
| Charles Thomas Bingham | 1848 | 1908 | Ireland | Hymenoptera |
| Thomas Blackburn | 1844 | 1912 | United Kingdom / Hawaii / Australia | Coleoptera |
| Maulsby Willett Blackman | 1876 | 1943 | United States | |
| Richard E. Blackwelder | 1909 | 2001 | United States | |
| Doris Holmes Blake | 1892 | 1978 | United States | |
| Émile Blanchard | 1819 | 1900 | France | |
| Willis Stanley Blatchley | 1859 | 1940 | United States | Coleoptera, Orthoptera, Hemiptera |
| Murray Sheldon Blum | 1929 | 2015 | United States | Hymenoptera: Formicidae |
| Johann von Böber | 1746 | 1820 | Germany (Thuringia) / Russia | Coleoptera, Lepidoptera |
| Carl Henrik Boheman | 1796 | 1868 | Sweden | Coleoptera |
| Henri Boileau | 1866 | 1924 | France | Coleoptera - Lucanidae |
| Jean Baptiste Alphonse Déchauffour de Boisduval | 1799 | 1879 | France | Lepidoptera |
| Ignacio Bolívar y Urrutia | 1850 | 1944 | Spain | |
| Cándido Luis Bolívar y Pieltáin | 1897 | 1976 | Spain | Lepidoptera |
| Ernst Friedrich August Boll | 1817 | 1868 | Germany | Lepidoptera |
| Barry Bolton | | | United Kingdom | Hymenoptera: Formicidae |
| Franco Andrea Bonelli | 1784 | 1830 | Italy | Coleoptera |
| Charles Bonnet | 1720 | 1793 | Switzerland | |
| George Bornemissza | 1924 | 2014 | Australia | Coleoptera |
| Carl Julius Bernhard Börner | 1880 | 1953 | Germany | Collembola |
| Nérée Boubée | 1806 | 1863 | France | Lepidoptera, Coleoptera |
| Peter Friedrich Bouché | 1785 | 1856 | Germany | Diptera |
| Jean Bourgogne | 1903 | 1999 | France | Lepidoptera: Psychidae |
| Eugène Louis Bouvier | 1856 | 1944 | France | |
| James Henry Bowker | 1822 | 1900 | South Africa | Lepidoptera |
| Nikolaus Joseph Brahm | 1751 | 1812 | Germany | |
| Harry Urad Brailovsky Alperowitz | 1946 | | Mexico | Hemiptera: Heteroptera: Coreidae |
| Hazel Branch | 1886 | 1973 | United States | |
| Karel Brančik | 1842 | 1915 | Hungary | Coleoptera |
| Rick Brandenburg | 1955 | | United States | |
| Eduard Karlovich Brandt | 1839 | 1891 | Russia | Insect morphology and physiology |
| Friedrich Moritz Brauer | 1832 | 1904 | Austria | Diptera, Neuroptera |
| Annette Frances Braun | 1884 | 1978 | United States | |
| Ferdinando Arborio Gattinara di Breme | 1807 | 1869 | Italy | Diptera, Coleoptera |
| Otto Vasilievich Bremer | 1812 | 1873 | Russia | Lepidoptera |
| Johann Jacob Bremi-Wolf | 1791 | 1857 | Switzerland | Coleoptera; Diptera: Cecidomyiidae |
| Juan Brèthes | 1871 | 1928 | France / Argentina | |
| Stephan von Breuning | 1894 | 1983 | Germany | Coleoptera: Cerambycidae: Lamiinae |
| Per Brinck | 1919 | 2013 | Sweden | |
| Carl Gustav Alexander Brischke | 1814 | 1897 | Poland | Diptera, Hymenoptera |
| Steve Brooks | | | United Kingdom | Diptera: Chironomidae; Odonata |
| Georges Brossard | 1940 | 2019 | Canada | |
| Thomas Broun | 1838 | 1919 | New Zealand | Coleoptera |
| François-Robert Fenwick Brown | 1837 | 1915 | France | Lepidoptera |
| Carlos Bruch | 1869 | 1943 | Germany / Argentina | |
| Emil von Brück | 1807 | 1884 | Germany | Coleoptera |
| Charles Thomas Brues | 1879 | 1955 | United States | Diptera, Hymenoptera |
| Gaspard Auguste Brullé | 1809 | 1873 | France | |
| Enrico Brunetti | 1862 | 1927 | United Kingdom | Diptera |
| Felix Bryk | 1882 | 1957 | Sweden | Lepidoptera |
| Lee L. Buchanan | 1893 | 1958 | United States | |
| William Buckler | 1814 | 1884 | United Kingdom | Lepidoptera |
| Jean Baptiste Lucien Buquet | 1807 | 1889 | France | Coleoptera |
| Ivan Buresh | 1885 | 1980 | Bulgaria | |
| Barnard D. Burks | 1909 | 1990 | United States | |
| Hermann Burmeister | 1807 | 1892 | Germany | |
| John Burns | | | United States | Lepidoptera |
| Arthur Gardiner Butler | 1844 | 1925 | United Kingdom | |
| Edward Albert Butler | 1845 | 1925 | United Kingdom | Hemiptera |
| Kurt Büttner | 1881 | 1967 | Germany | Heteroptera |
| C | | | | |
| Elsa Salazar Cade | 1952 | | Mexico / United States | |
| William H. Cade | | | United States | |
| Philip Powell Calvert | 1871 | 1961 | United States | Odonata |
| Malcolm Cameron | 1873 | 1954 | United Kingdom | Coleoptera |
| Peter Cameron | 1847 | 1912 | United Kingdom | Hymenoptera |
| Dušan Čamprag | 1925 | 2021 | Serbia | Economic entomology: pest control |
| Giulio Camus | 1847 | 1914 | France | Economic history of entomology |
| Ernest Candèze | 1827 | 1898 | Belgium | Coleoptera |
| Silvano Canzoneri | 1941 | 1995 | Italy | Coleoptera, Diptera |
| Pierre Capdeville | 1908 | 1980 | France | Lepidoptera: Parnassiinae |
| Hahn William Capps | 1903 | 1998 | United States | |
| Jean-Baptiste Capronnier | 1814 | 1891 | Belgium | Lepidoptera |
| Frank M. Carpenter | 1902 | 1994 | United States | Palaeoentomology |
| Herbert James Carter | 1858 | 1940 | Australia | |
| Thomas Lincoln Casey Jr. | 1857 | 1925 | United States | Coleoptera |
| François-Louis Laporte, comte de Castelnau | 1802 | 1880 | France | Coleoptera |
| Guelfo Cavanna | 1850 | 1920 | Italy | All orders |
| George Charles Champion | 1851 | 1927 | United Kingdom | Coleoptera |
| Edward Albert Chapin | 1894 | 1969 | United States | |
| Toussaint de Charpentier | 1779 | 1847 | Germany | |
| Maximilien Chaudoir | 1816 | 1881 | Russia | Coleoptera - Carabidae |
| Rémy Chauvin | 1913 | 2009 | France | Insecta: mainly Formicidae, Anthophila; social organization in insects; insect physiology; insect ecology and behavior |
| Lucy Evelyn Cheesman | 1881 | 1969 | United Kingdom | |
| Chen Shixiang | 1905 | 1988 | China | |
| Louis Alexandre Auguste Chevrolat | 1799 | 1884 | France | Coleoptera |
| Huai C. Chiang | 1915 | 2005 | United States | Integrated pest management |
| Rickard Christophers | 1873 | 1978 | United Kingdom | Diptera |
| Hong-Fu Chu | 1910 | 2002 | China | insect immatures |
| Joseph Philippe de Clairville | 1742 | 1830 | Switzerland | |
| Benjamin Preston Clark | 1860 | 1939 | United States | Lepidoptera |
| Hamlet Clark | 1823 | 1867 | United Kingdom | Coleoptera |
| Cyril Clarke | 1907 | 2000 | United Kingdom | Lepidoptera |
| Eric William Classey | 1916 | 2008 | United Kingdom | Lepidoptera, entomological publisher |
| James Brackenridge Clemens | 1825 | 1867 | United States | Lepidoptera |
| Carl Alexander Clerck | 1709 | 1765 | Sweden | Lepidoptera |
| Theodore Dru Alison Cockerell | 1866 | 1948 | United States | Hymenoptera |
| James Edward Collin | 1876 | 1968 | United Kingdom | Diptera |
| John Henry Comstock | 1849 | 1931 | United States | |
| Daniel William Coquillett | 1856 | 1911 | United States | Diptera |
| Matthew Cooke | 1829 | 1887 | Ireland | Economic entomology |
| Charles Coquerel | 1822 | 1867 | France | |
| Philip S. Corbet | 1929 | 2008 | United Kingdom | Odonata; Diptera: Culicidae |
| Emilio Cornalia | 1824 | 1882 | Italy | |
| Achille Costa | 1823 | 1899 | Italy | |
| Oronzio Gabriele Costa | 1787 | 1867 | Italy | |
| Ângelo Moreira da Costa Lima | 1887 | 1964 | Brazil | Insects of Brazil; Economic and medical entomology |
| Everard Charles Cotes | 1862 | 1944 | United Kingdom / India | |
| John Cowley | 1909 | 1967 | United Kingdom | |
| George Crabbe | 1754 | 1832 | United Kingdom | Coleoptera |
| Pieter Cramer | 1738 | 1804 | Netherlands | |
| William Monod Crawford | 1872 | 1941 | Ireland | Lepidoptera |
| Ezra Townsend Cresson | 1838 | 1926 | United States | Hymenoptera |
| Norman Criddle | 1875 | 1933 | United Kingdom / Canada | |
| Roger Ward Crosskey | 1930 | 2017 | United Kingdom | Diptera, Hymenoptera |
| George Robert Crotch | 1842 | 1874 | United States / United Kingdom | Coleoptera |
| Philip Crowley | 1837 | 1900 | England | Lepidoptera |
| Roy Crowson | 1914 | 1999 | United Kingdom | Coleoptera |
| Ernő Csíki | 1875 | 1954 | Hungary | Coleoptera |
| Philippe Cuénoud | 1968 | | Switzerland | Psocoptera |
| Charles Howard Curran | 1894 | 1972 | United States | Diptera |
| John Curtis | 1791 | 1862 | United Kingdom | Coleoptera |
| Leander Czerny | 1859 | 1944 | Austria | Diptera |
| D | | | | |
| Anders Gustaf Dahlbom | 1806 | 1859 | Sweden | Hymenoptera |
| Roger Dajoz | 1929 | 2019 | France | |
| James Charles Dale | 1792 | 1872 | United Kingdom | Coleoptera |
| Johan Wilhelm Dalman | 1787 | 1828 | Sweden | |
| Mikhail Danilevsky | 1948 | | Russia | Coleoptera: Cerambycidae |
| Franz Dannehl | 1870 | 1947 | Germany | Lepidoptera |
| P. Jackson Darlington Jr. | 1904 | 1983 | United States | |
| Charles Darwin | 1809 | 1882 | United Kingdom | Coleoptera. Charles Darwin was known in his youth as a beetle collector. |
| Thomas Reid Davys Bell | 1863 | 1948 | Ireland | Lepidoptera |
| John Frederic Dawson | 1802 | 1870 | England | Coleoptera - Carabidae |
| Charles De Geer | 1720 | 1778 | Sweden | Coleoptera |
| José María Hugo de la Fuente Morales | 1855 | 1932 | Spain | Coleoptera |
| Pierre François Marie Auguste Dejean | 1780 | 1845 | France | Coleoptera |
| Georges Demoulin | 1919 | 1994 | Belgium | Ephemeroptera |
| Michael Denis | 1729 | 1800 | Austria | Lepidoptera |
| Robert Denno | 1945 | 2008 | United States | Lepidoptera |
| Thomas Desvignes | 1812 | 1868 | England | Hymenoptera |
| Vincent Dethier | 1915 | 1993 | United States | |
| Thierry Deuve | 1956 | | France | Coleoptera |
| Achille Deyrolle | 1813 | 1865 | France | Coleoptera |
| Harry Frederick Dietz | 1890 | 1954 | United States | Economic entomology |
| William Lucas Distant | 1845 | 1922 | United Kingdom | |
| Frederick Augustus Dixey | 1855 | 1935 | United Kingdom | Lepidoptera |
| Rennie Wilbur Doane | 1871 | 1942 | United States | Diptera |
| Theodosius Dobzhansky | 1900 | 1975 | Ukraine / United States | |
| Paul Dognin | 1847 | 1931 | France | Lepidoptera |
| William Doherty | 1857 | 1901 | United States | Lepidoptera |
| Carl August Dohrn | 1806 | 1892 | Germany | Coleoptera |
| Horace Donisthorpe | 1870 | 1951 | United Kingdom | Coleoptera; Hymenoptera: Formicidae |
| Charles Donovan | 1863 | 1951 | Ireland | Lepidoptera |
| Edward Donovan | 1768 | 1837 | Ireland | |
| Alcide d'Orbigny | 1802 | 1857 | France | |
| Edward Doubleday | 1810 | 1849 | United Kingdom | Lepidoptera |
| Henry Doubleday | 1808 | 1875 | United Kingdom | Lepidoptera |
| John William Douglas | 1814 | 1905 | United Kingdom | Lepidoptera |
| Max Wilhelm Karl Draudt | 1875 | 1953 | Germany | Lepidoptera |
| Alexander Kirilow Drenowski | 1879 | 1967 | Bulgaria | |
| Herbert Druce | 1846 | 1913 | United Kingdom | Lepidoptera |
| Dru Drury | 1725 | 1804 | United Kingdom | |
| Catherine N. Duckett | 1961 | | United States | Coleoptera |
| Oswald Duda | 1869 | 1941 | Germany | Diptera |
| Léon Jean Marie Dufour | 1780 | 1865 | France | |
| Caspar Erasmus Duftschmid | 1767 | 1821 | Austria | Coleoptera |
| Lionel Jack Dumbleton | 1905 | 1976 | New Zealand | Lepidoptera |
| André Marie Constant Duméril | 1774 | 1860 | France | Coleoptera |
| Philogène Auguste Joseph Duponchel | 1774 | 1846 | France | Lepidoptera |
| Henry Dupont | 1798 | 1873 | France | Coleoptera |
| Gabriel Dupuy | 1840 | 1913 | France | Lepidoptera |
| Harrison Gray Dyar Jr. | 1866 | 1929 | United States | Diptera |
| Jan Dzierżon | 1811 | 1906 | Poland | Hymenoptera |
| E | | | | |
| Alfred Edwin Eaton | 1845 | 1929 | United Kingdom | Diptera, Ephemeroptera |
| Karl Eckstein | 1859 | 1939 | Germany | Lepidoptera |
| Frederick Wallace Edwards | 1888 | 1940 | United Kingdom | Diptera |
| Henry Edwards | 1827 | 1891 | United Kingdom / Australia / United States | Lepidoptera |
| J. Gordon Edwards | 1919 | 2004 | United States | |
| William Henry Edwards | 1822 | 1909 | United States | Lepidoptera |
| Johann Egger | 1804 | 1866 | Austria | Diptera |
| Georg Dionysius Ehret | 1708 | 1770 | Germany | |
| Paul R. Ehrlich | 1932 | | United States | Lepidoptera |
| Curt Eisner | 1890 | 1981 | Germany | Lepidoptera |
| Henry John Elwes | 1846 | 1922 | United Kingdom | Lepidoptera |
| Alfred E. Emerson, Jr. | 1896 | 1976 | United States | Isoptera |
| Carlo Emery | 1848 | 1925 | Italy | Hymenoptera |
| Günther Enderlein | 1872 | 1968 | Germany | Diptera |
| Michael S. Engel | 1971 | | United States | Zoraptera, Hymenoptera, fossils |
| Wilhelm Ferdinand Erichson | 1809 | 1848 | Germany | Coleoptera |
| Terry Erwin | 1940 | 2020 | United States | |
| Teiso Esaki | 1899 | 1957 | Japan | |
| Johann Friedrich von Eschscholtz | 1793 | 1831 | Estonia (Livonia) | |
| Eugenius Johann Christoph Esper | 1742 | 1810 | Germany | |
| Howard Ensign Evans | 1919 | 2002 | United States | Hymenoptera |
| William Frederick Evans | | | United Kingdom | Odonata, Orthoptera |
| William Harry Evans | 1876 | 1956 | United Kingdom | Lepidoptera |
| Neal Evenhuis | 1952 | | United States | Diptera |
| Eduard Friedrich Eversmann | 1794 | 1860 | Germany | |
| F | | | | |
| Jean-Henri Fabre | 1823 | 1915 | France | Insecta, especially Endopterygota: mainly Hymenoptera; insect behavior |
| Johan Christian Fabricius | 1745 | 1808 | Denmark | Insecta. Fabricius' system remains the basis of insect classification today. |
| Olof Immanuel von Fåhraeus | 1796 | 1884 | Sweden | Coleoptera |
| Graham Fairchild | 1906 | 1994 | United States | Diptera |
| Léon Fairmaire | 1820 | 1906 | France | Coleoptera |
| Franz Faldermann | 1799 | 1838 | Germany | Coleoptera |
| Henry Clinton Fall | 1862 | 1939 | United States | Coleoptera |
| Carl Fredrik Fallén | 1764 | 1830 | Sweden | Diptera |
| Charles Adolphe Albert Fauvel | 1840 | 1921 | France | Coleoptera |
| Zicman Feider | 1903 | 1979 | Romania | |
| Baron Cajetan von Felder | 1814 | 1894 | Austria | Lepidoptera |
| Rudolf Felder | 1842 | 1871 | Austria | Lepidoptera |
| Ephraim Porter Felt | 1868 | 1943 | United States | Diptera |
| Feng Lanzhou | 1903 | 1972 | China | |
| Ferdinand I of Bulgaria | 1861 | 1948 | Bulgaria | Lepidoptera |
| Charles H. Fernald | 1838 | 1921 | United States | Lepidoptera |
| Michael Lloyd Ferrar | 1876 | 1931 | United Kingdom | Lepidoptera |
| Pietro Mansueto Ferrari | 1823 | 1893 | Italy | Hemiptera |
| Leopold Heinrich Fischer | 1817 | 1886 | Germany | |
| Josef Emanuel Fischer von Röslerstamm | 1787 | 1866 | Austria / Czech Republic (Bohemia) | Lepidoptera |
| Johann Gotthelf Fischer von Waldheim | 1771 | 1853 | Germany (Saxony) / Russia | Insects of Russia; Coleoptera, Diptera |
| Asa Fitch | 1809 | 1879 | United States | |
| Ernst Josef Fittkau | 1927 | 2012 | Germany | Diptera |
| Antonín Fleischer | 1850 | 1934 | Czechoslovakia | Coleoptera |
| John Fleming | 1785 | 1857 | United Kingdom | |
| James Fletcher | 1852 | 1908 | Canada | |
| Thomas Bainbrigge Fletcher | 1878 | 1950 | United Kingdom | |
| Edmond Jean-Baptiste Fleutiaux | 1858 | 1851 | France | Coleoptera |
| Gustav Flor | 1829 | 1883 | Estonia (Livonia) | |
| William Trowbridge Merrifield Forbes | 1885 | 1968 | United States | Lepidoptera, Coleoptera |
| E. B. Ford | 1901 | 1988 | United Kingdom | Lepidoptera |
| Auguste-Henri Forel | 1848 | 1931 | Switzerland | Hymenoptera: Formicidae |
| Arnold Förster | 1810 | 1884 | Germany | Coleoptera, Hymenoptera |
| Johann Reinhold Forster | 1729 | 1798 | Germany | |
| Margaret Fountaine | 1862 | 1940 | United Kingdom | Lepidoptera |
| Antoine François, comte de Fourcroy | 1755 | 1809 | France | |
| William Weekes Fowler | 1849 | 1923 | United Kingdom | Coleoptera |
| Georg Ritter von Frauenfeld | 1807 | 1873 | Austria | Diptera |
| Amnon Freidberg | 1945 | 2020 | Israel | Diptera |
| Charles French | 1842 | 1933 | Australia | Economic entomology |
| Heinrich Frey | 1822 | 1890 | Switzerland | Lepidoptera |
| Richard Karl Hjalmar Frey | 1886 | 1965 | Finland | Diptera |
| Christian Friedrich Freyer | 1794 | 1885 | Germany | Lepidoptera |
| Heinrich Friese | 1860 | 1948 | Germany | |
| Karl von Frisch | 1886 | 1982 | Austria | Hymenoptera: Apis mellifera |
| Imre Frivaldszky | 1799 | 1870 | Hungary | Lepidoptera, Coleoptera |
| János Frivaldszky | 1822 | 1895 | Hungary | Coleoptera, Orthoptera |
| Walter Wilson Froggatt | 1858 | 1937 | Australia | Economic entomology |
| Frederick William Frohawk | 1861 | 1946 | United Kingdom | Lepidoptera |
| Stuart W. Frost | 1891 | 1990 | United States | Diptera |
| Hans Fruhstorfer | 1866 | 1922 | Germany | Lepidoptera |
| Johann Kaspar Füssli | 1743 | 1786 | Switzerland | |
| G | | | | |
| Heinrich Moritz Gaede | 1795 | 1834 | Germany | |
| Max Gaede | 1871 | 1946 | Germany | |
| Charles Joseph Gahan | 1862 | 1939 | United Kingdom / Ireland | Coleoptera |
| Ángel Gallardo | 1867 | 1934 | Argentina | |
| Ludwig Ganglbauer | 1856 | 1912 | Austria | Coleoptera |
| Gao Taiping | 1984 | | China | |
| Wulf Hermann Gatter | 1943 | | Germany | Population ecology of insects, especially insect migration |
| Friedrich August von Gebler | 1781 | 1850 | Germany (Thuringia) / Russia | Coleoptera |
| Giuseppe Gené | 1800 | 1847 | Italy | |
| Étienne Louis Geoffroy | 1725 | 1810 | France | Coleoptera |
| Ernst Friedrich Germar | 1786 | 1853 | Germany | Coleoptera |
| Carl Eduard Adolph Gerstaecker | 1828 | 1895 | Germany | |
| Paul Gervais | 1816 | 1879 | France | |
| Raffaello Gestro | 1845 | 1936 | Italy | Coleoptera |
| Carl Geyer | 1802 | 1889 | Germany (Bavaria) | Entomological illustrator (Lepidoptera) |
| Mercury Sergeyevich Ghilarov | 1912 | 1985 | Russia (USSR) | Soil insects |
| Michael Thomas Gillies | 1920 | 1999 | United Kingdom | Medical entomology |
| Antonio Giordani Soika | 1913 | 1997 | Italy | Hymenoptera |
| Joseph-Étienne Giraud | 1808 | 1877 | France | Coleoptera, Hymenoptera |
| Alexandre Arsène Girault | 1884 | 1941 | United States / Australia | Hymenoptera: Chalcidoidea |
| Ernst August Girschner | 1860 | 1914 | Germany | Diptera |
| Johannes von Nepomuk Franz Xaver Gistel | 1809 | 1873 | Germany | |
| Eleanor Glanville | 1654 | 1709 | United Kingdom | Coleoptera |
| Jean-Baptiste Godart | 1775 | 1825 | France | Lepidoptera |
| Frederick DuCane Godman | 1834 | 1919 | United Kingdom | Lepidoptera |
| Jan Goedart | 1620 | 1668 | Netherlands | |
| Maurice Emile Marie Goetghebuer | 1876 | 1962 | Belgium | Diptera |
| Johann August Ephraim Goeze | 1731 | 1793 | Germany | |
| Gordon Gordh | 1945 | | United States | |
| Deborah M. Gordon | 1955 | | United States | Hymenoptera: Formicidae |
| Hippolyte Louis Gory | 1800 | 1852 | France | Coleoptera |
| William Gould | 1715 | 1799 | United Kingdom | Hymenoptera: Formicidae |
| Claude Charles Goureau | 1790 | 1879 | France | |
| Eduard Heinrich Graeffe | 1833 | 1916 | Switzerland | |
| Mariano de la Paz Graells y de la Agüera | 1809 | 1898 | Spain | |
| Pierre-Paul Grassé | 1895 | 1985 | France | Isoptera |
| Johann Ludwig Christian Gravenhorst | 1777 | 1857 | Germany | |
| Philip Graves | 1876 | 1953 | Ireland | Lepidoptera |
| George Robert Gray | 1808 | 1872 | United Kingdom | |
| Viktor Stepanovich Grebennikov | 1927 | 2001 | Russia | Hymenoptera: Apis mellifera; popular entomology |
| Auguste Jean François Grenier | 1814 | 1890 | France | Coleoptera |
| Thomas de Grey, 6th Baron Walsingham | 1843 | 1919 | United Kingdom | Lepidoptera |
| David A. Grimaldi | 1957 | | United States | Palaeoentomology; Diptera; Hymenoptera: Formicidae |
| Augustus Radcliffe Grote | 1841 | 1903 | United Kingdom | Lepidoptera |
| Grigory Grum-Grshimailo | 1860 | 1936 | Russia | Lepidoptera |
| Achille Guenée | 1809 | 1880 | France | Lepidoptera |
| Félix Édouard Guérin-Méneville | 1799 | 1874 | France | |
| Guido of Pisa | | 1169 | Italy | |
| Félix Guignot | 1882 | 1959 | France | Coleoptera |
| Leonard Gyllenhaal | 1752 | 1840 | Sweden | Coleoptera |
| H | | | | |
| Johann Georg Haag-Rutenberg | 1830 | 1879 | Germany | Coleoptera |
| Wilhem de Haan | 1801 | 1855 | Netherlands | Polyneoptera |
| Hermann August Hagen | 1817 | 1893 | Germany | Neuroptera, Odonata |
| Ann Hajek | 1952 | | United States | |
| James Nathaniel Halbert | 1871 | 1948 | Ireland | |
| Samuel Stehman Haldeman | 1812 | 1880 | United States | Coleoptera, Hymenoptera |
| Alexander Henry Haliday | 1807 | 1870 | Ireland | Coleoptera, Diptera |
| George Hampson | 1860 | 1936 | United Kingdom | Lepidoptera |
| Anton Peter Josef Handlirsch | 1865 | 1935 | Austria | Palaeoentomology |
| Dilbert Elmo Hardy | 1914 | 2002 | United States | Diptera |
| Edgar von Harold | 1830 | 1886 | Germany | Coleoptera |
| Henry Harpur-Crewe | 1828 | 1883 | United Kingdom | Lepidoptera |
| Halbert Marion Harris | 1900 | 2000 | United States | Heteroptera: Nabidae |
| Moses Harris | 1731 | 1785 | United Kingdom | |
| Thaddeus William Harris | 1795 | 1856 | United States | |
| Adam Hart | | | United Kingdom | |
| Michael Hassell | 1942 | | United Kingdom | |
| Hermann Haupt | 1873 | 1959 | Germany | Hymenoptera |
| Adrian Hardy Haworth | 1767 | 1833 | United Kingdom | |
| John Heath | 1922 | 1987 | United Kingdom | |
| Oswald Heer | 1809 | 1883 | Switzerland | |
| Ole Engel Heie | 1926 | 2019 | Denmark | Hemiptera: Aphidomorpha |
| Bernd Heinrich | 1940 | present | United States | Coleoptera, Diptera, Hymenoptera, Lepidoptera, Odonata |
| Carl Heinrich | 1880 | 1955 | United States | Lepidoptera |
| Karl Borromaeus Maria Josef Heller | 1864 | 1945 | Austria | Coleoptera |
| Johann Christian Ludwig Hellwig | 1743 | 1831 | Germany | |
| Friedrich Georg Hendel | 1874 | 1936 | Austria | Diptera |
| Emil Hans Willi Hennig | 1913 | 1976 | Germany | Diptera |
| Johann Friedrich Wilhelm Herbst | 1743 | 1807 | Germany | Coleoptera |
| Claude Herbulot | 1908 | 2006 | France | Lepidoptera: Geometridae |
| Hans Rudolf Herren | 1947 | | Switzerland | Economic entomology |
| Gottlieb August Wilhelm Herrich-Schäffer | 1799 | 1874 | Germany | |
| William Chapman Hewitson | 1806 | 1878 | United Kingdom | Coleoptera, Lepidoptera |
| Lucas Friedrich Julius Dominikus von Heyden | 1838 | 1915 | Germany | Coleoptera |
| Alexander Heyne | 1869 | 1927 | Germany | Lepidoptera |
| Ernst Heyne | 1833 | 1905 | Germany | Lepidoptera |
| Richard Hingston | 1887 | 1966 | United Kingdom | |
| H. E. Hinton | 1912 | 1977 | United Kingdom | Coleoptera |
| Jacob Hoefnagel | 1575 | 1630 | Netherlands | |
| Johann Centurius Hoffmannsegg | 1766 | 1849 | Germany | |
| Martin Wyatt Holdgate | 1931 | | United Kingdom | |
| Karl Holdhaus | 1883 | 1975 | Austria | Coleoptera |
| William Jacob Holland | 1848 | 1932 | United States | Lepidoptera |
| Bert Hölldobler | 1936 | | Germany | Hymenoptera: Formicidae |
| August Holmgren | 1829 | 1888 | Sweden | Hymenoptera |
| Harry Hoogstraal | 1917 | 1986 | United States / Egypt | Acari, Ixodidae |
| Frederick William Hope | 1797 | 1862 | United Kingdom | Coleoptera |
| Marianne Horak | 1944 | | Australia | Lepidoptera |
| George Henry Horn | 1840 | 1897 | United States | Coleoptera |
| Walther Horn | 1871 | 1939 | Germany | Coleoptera |
| Leland Ossian Howard | 1857 | 1950 | United States | Economic entomology |
| Jacob Hübner | 1761 | 1826 | Germany | Lepidoptera |
| George Hudson | 1867 | 1946 | New Zealand | |
| Johann Siegfried Hufnagel | 1724 | 1795 | Germany | Lepidoptera |
| Frank Montgomery Hull | 1901 | 1982 | United States | Diptera |
| Carmel Humphries | 1909 | 1986 | Ireland | |
| Alphonse Hustache | 1872 | 1942 | France | Coleoptera: Curculionidae |
| I | | | | |
| Paulo Iide | 1939 | 2012 | Brazil | Diptera |
| Johann Karl Wilhelm Illiger | 1775 | 1813 | Germany | Coleoptera |
| Augustus Daniel Imms | 1880 | 1949 | United Kingdom | |
| Hiroshi Inoue | 1917 | 2008 | Japan | Lepidoptera: Zygaenidae |
| J | | | | |
| Carl Gustav Jablonsky | 1756 | 1787 | Germany | Coleoptera |
| Jean-Charles Jacobs | 1821 | 1907 | Belgium | Diptera, Hymenoptera |
| Georgiy Jacobson | 1871 | 1926 | Russia | |
| Pierre Nicolas Camille Jacquelin du Val | 1828 | 1962 | France | Coleoptera |
| Tadeusz Jaczewski | 1899 | 1974 | Poland | Hemiptera |
| René Jeannel | 1879 | 1965 | France | Coleoptera |
| Anders Christian Jensen-Haarup | 1863 | 1934 | Denmark | Hymenoptera |
| Thomas C. Jerdon | 1811 | 1872 | United Kingdom | Hymenoptera: Formicidae |
| Claude-François Jeunet | 1844 | | France | Lepidoptera |
| Charles Willison Johnson | 1852 | 1934 | Ireland | Lepidoptera, Hymenoptera |
| William Frederick Johnson | 1863 | 1933 | United States | Diptera |
| James John Joicey | 1871 | 1932 | United Kingdom | Lepidoptera |
| Karl Jordan | 1861 | 1959 | Germany | Siphonaptera, Coleoptera, Lepidoptera |
| Peter Jörgensen | 1870 | 1937 | Denmark | Lepidoptera |
| Louis Jurine | 1751 | 1819 | Switzerland | Coleoptera, Diptera |
| K | | | | |
| Vlasta Kálalová | 1896 | 1971 | Czech Republic (Czechoslovakia) | |
| Johann Heinrich Kaltenbach | 1807 | 1876 | Germany | Economic entomology |
| Akito Y. Kawahara | | | United States | |
| William Francis de Vismes Kane | 1840 | 1918 | England / Ireland | Lepidoptera |
| Ferdinand Anton Franz Karsch | 1853 | 1936 | Germany | |
| Masayo Kato | 1898 | 1967 | Japan | |
| David Keilin | 1887 | 1963 | United Kingdom | |
| Kálmán Kertész | 1867 | 1922 | Hungary | Diptera |
| Bernard Kettlewell | 1907 | 1979 | United Kingdom | Lepidoptera |
| Jean-Jacques Kieffer | 1857 | 1925 | France | Diptera, Hymenoptera |
| Ernest August Hellmuth von Kiesenwetter | 1820 | 1880 | Germany | Coleoptera |
| Shinsaku Kimoto | 1933 | 2009 | Japan | Coleoptera: Chrysomelidae |
| Alfred Kinsey | 1894 | 1956 | United States | Hymenoptera: Cynipidae |
| William Kirby | 1759 | 1850 | United Kingdom | |
| William Forsell Kirby | 1844 | 1912 | United Kingdom / Ireland | Lepidoptera |
| Theodor Franz Wilhelm Kirsch | 1818 | 1889 | Germany | Coleoptera |
| Ruud Kleinpaste | 1952 | | Netherlands / New Zealand | |
| Johann Christoph Friedrich Klug | 1775 | 1856 | Germany | Lepidoptera |
| Zoya Klyuchko | 1933 | 2016 | Ukraine | Lepidoptera |
| Frederick Knab | 1865 | 1918 | Germany / United States | |
| Edward F. Knipling | 1909 | 2000 | United States | Economic entomology |
| Carl Ludwig Koch | 1778 | 1857 | Germany | |
| Hermann Julius Kolbe | 1855 | 1939 | Germany | Coleoptera; Psocoptera; Neuroptera |
| Vincenz Kollar | 1797 | 1860 | Germany | Diptera |
| Hiromichi Kono | 1905 | 1963 | Japan | Coleoptera |
| Friedrich Wilhelm Konow | 1842 | 1908 | Germany | Hymenoptera: Tenthredinidae |
| Antun Korlević | 1851 | 1915 | Croatia | Hemiptera; Hymenoptera |
| Ferdinand Kowarz | 1838 | 1914 | Austria | Diptera |
| Ernst Gustav Kraatz | 1831 | 1909 | Germany | Coleoptera |
| Karl Kraepelin | 1848 | 1915 | Germany | |
| Otto Kröber | 1882 | 1969 | Germany | Diptera |
| Johann Gottlieb Kugelann | 1753 | 1815 | Germany | Coleoptera |
| Philippe Alexandre Jules Künckel d'Herculais | 1843 | 1918 | France | Crop pests |
| Nikolai Yakovlevich Kuznetsov | 1873 | 1948 | Russia | Lepidoptera; insect physiology |
| L | | | | |
| Joseph Alexandre Laboulbène | 1825 | 1898 | France | |
| Jean Théodore Lacordaire | 1801 | 1870 | Belgium | Coleoptera |
| Jean-Pierre Lacroix | 1938 | 1989 | France | Coleoptera: Lucanidae |
| Johann Nepomuk von Laicharting | 1754 | 1797 | Austria | Coleoptera |
| Eric Laithwaite | 1921 | 1997 | United Kingdom | Lepidoptera |
| Sven Lampa | 1839 | 1914 | Sweden | Lepidoptera |
| Pierre André Latreille | 1762 | 1833 | France | |
| Maxim Lazarev | 1985 | | Russia | Coleoptera: Cerambycidae |
| John Eatton Le Conte | 1784 | 1860 | United States | |
| Arthur Mills Lea | 1868 | 1932 | Australia | Coleoptera |
| William Elford Leach | 1790 | 1836 | United Kingdom | |
| Simon Leather | 1955 | 2021 | United Kingdom | |
| John Lawrence LeConte | 1825 | 1883 | United States | Coleoptera |
| Julius Lederer | 1821 | 1870 | Austria | Lepidoptera |
| John Henry Leech | 1862 | 1900 | England | Coleoptera, Lepidoptera |
| Alexandre Louis Lefèbvre de Cérisy | 1798 | 1867 | France | |
| Andy Lehrer | 1930 | 2014 | Romania | Diptera |
| Claude Lemaire | 1921 | 2004 | France | Lepidoptera: Saturniidae |
| Amédée Louis Michel Lepeletier de Saint-Fargeau | 1780 | 1845 | France | Hymenoptera |
| George Lewis | 1839 | 1926 | England | Coleoptera |
| Max Liebke | 1892 | 1947 | Germany | Coleoptera |
| K.O. Victoria Lieu | | | China | Aegeriidae, Cerambycidae |
| Erwin Lindner | 1888 | 1988 | Germany | Diptera |
| Carl H. Lindroth | 1905 | 1979 | Sweden | Coleoptera - Carabidae |
| Carl Linnaeus | 1707 | 1778 | Sweden | Insecta. Linnaeus' works implemented a standardized binomial naming system for species. |
| Joseph Albert Lintner | 1820 | 1898 | United States | |
| Paolo Lioy | 1834 | 1911 | Italy | Diptera |
| Melchior de Lisle | 1908 | 1977 | France | Coleoptera: Lucanidae |
| Hermann Loew | 1807 | 1879 | Germany | Diptera |
| Cynthia Longfield | 1896 | 1991 | Ireland | Odonata |
| Hippolyte Lucas | 1814 | 1899 | France | |
| Clara Southmayd Ludlow | 1852 | 1924 | United States | Medical entomology |
| William Lundbeck | 1863 | 1941 | Denmark | Diptera |
| Adolfo Lutz | 1855 | 1940 | Brazil | Medical entomology |
| Enrique Lynch Arribálzaga | 1856 | 1935 | Argentina | |
| M | | | | |
| Henry Christopher McCook | 1837 | 1911 | United States | Hymenoptera: Formicidae |
| Robert McLachlan | 1837 | 1904 | United Kingdom | Neuroptera |
| Alexander Macleay | 1767 | 1848 | United Kingdom | |
| William John Macleay | 1820 | 1893 | Australia | |
| William Sharp Macleay | 1792 | 1865 | United Kingdom | |
| Pierre-Justin-Marie Macquart | 1778 | 1855 | France | Diptera |
| Barbara York Main | 1929 | 2019 | Australia | Arachnology |
| Maurice Maindron | 1857 | 1911 | France | |
| Michael Majerus | 1954 | 2009 | United Kingdom | Lepidoptera |
| René Malaise | 1892 | 1978 | Sweden | |
| John Russell Malloch | 1875 | 1963 | United Kingdom | Diptera |
| Mahadeva Subramania Mani | 1908 | 2003 | India | |
| Josef Johann Mann | 1804 | 1889 | Austria / Czech Republic (Bohemia) | Lepidoptera |
| Carl Gustaf von Mannerheim | 1797 | 1854 | Finland | Coleoptera |
| Patrick Manson | 1844 | 1922 | Scotland | Medical entomology |
| Oldřich Marek | 1911 | 1986 | Czech Republic (Czechoslovakia) | Coleoptera |
| Pavel Iustinovich Marikovsky | 1912 | 2008 | Russia (USSR) | Hymenoptera: Formicidae; popular entomology |
| Charles Lester Marlatt | 1863 | 1954 | United States | Economic entomology |
| Sylvain Auguste de Marseul | 1812 | 1890 | France | Coleoptera |
| George Frederick Leycester Marshall | 1843 | 1934 | United Kingdom | Lepidoptera |
| Guy Anstruther Knox Marshall | 1871 | 1959 | India / United Kingdom | |
| Thomas Ansell Marshall | 1827 | 1903 | United Kingdom | Hymenoptera |
| Thomas Marsham | 1748 | 1819 | United Kingdom | Coleoptera |
| Fermín Martín Piera | 1954 | 2001 | Spain | Coleoptera |
| Andrey Vasilyevich Martynov | 1879 | 1938 | Russia | Palaeoentomology; Trichoptera |
| William Miles Maskell | 1839 | 1898 | New Zealand | |
| George Masters | 1837 | 1912 | Australia | Coleoptera |
| Wayne Masterson | 1959 | 1991 | United Kingdom | Medical entomology |
| Ryuichi Matsuda | 1920 | 1986 | Japan | |
| Shōnen Matsumura | 1872 | 1960 | Japan | |
| Andrew Matthews | 1815 | 1897 | United Kingdom | Coleoptera |
| Karl Anton Epiphanius Matzek | 1810 | 1843 | Germany (Prussia) | Coleoptera: Nicrophorus |
| Harold Maxwell-Lefroy | 1877 | 1926 | United Kingdom | |
| Gustav Mayr | 1830 | 1908 | Austria | Hymenoptera |
| Erica McAlister | | | United Kingdom | Diptera |
| James Francis McAlpine | 1922 | 2019 | Canada | Diptera |
| Sidney McCrory | 1911 | 1985 | United States | |
| Richard Henry Meade | 1814 | 1899 | United Kingdom | Diptera |
| Albert Stewart Meek | 1871 | 1943 | United Kingdom | |
| Jean Pierre Mégnin | 1828 | 1905 | France | Forensic entomology |
| Johann Wilhelm Meigen | 1764 | 1845 | Germany | Diptera |
| Johannes C. H. de Meijere | 1866 | 1947 | Netherlands | Diptera, Coleoptera |
| Axel Leonard Melander | 1878 | 1962 | United States | Diptera, Hymenoptera |
| Frederick Valentine Melsheimer | 1749 | 1814 | United States | Coleoptera |
| Ernest Menault | 1830 | 1903 | France | Agricultural pests |
| Édouard Ménétries | 1802 | 1861 | France / Russia | Lepidoptera, Coleoptera |
| Maria Sibylla Merian | 1647 | 1717 | Germany | |
| Edward Meyrick | 1854 | 1938 | United Kingdom | Lepidoptera |
| Charles Duncan Michener | 1918 | 2015 | United States | Hymenoptera |
| Josef Mik | 1839 | 1900 | Austria / Czech Republic (Moravia) | Diptera |
| David Miller | 1890 | 1973 | New Zealand | Diptera |
| Pierre Millière | 1811 | 1887 | France | Lepidoptera |
| Adolphe Philippe Millot | 1857 | 1921 | France | Lepidoptera |
| Hayk Mirzayans | 1920 | 1999 | Iran | |
| Ludwig Mitterpacher | 1734 | 1814 | Hungary | Lepidoptera |
| Alexander Mocsáry | 1841 | 1915 | Hungary | Hymenoptera |
| Adolph Modéer | 1738 | 1799 | Sweden | |
| Frederic Moore | 1830 | 1907 | United Kingdom | Lepidoptera |
| Clodoveo Carrión Mora | 1883 | 1957 | Ecuador | |
| August Feodorovich Morawitz | 1837 | 1897 | Russia | Coleoptera |
| Ferdinand Ferdinandovich Morawitz | 1827 | 1896 | Russia | Hymenoptera |
| Claude Morley | 1874 | 1951 | United Kingdom | Hymenoptera |
| Derek Wragge Morley | 1920 | 1969 | United Kingdom | Hymenoptera: Formicidae |
| Roger Morse | 1927 | 2000 | United States | Hymenoptera |
| Kenneth Morton | 1858 | 1940 | United Kingdom | Odonata, Neuroptera |
| Victor Ivanovich Motschulsky | 1810 | 1871 | Russia | Coleoptera |
| Thomas Muffet | 1552 | 1604 | United Kingdom | |
| Johann Carl Megerle von Mühlfeld | 1765 | 1840 | Austria | Coleoptera |
| Margaretta Morris | 1797 | 1867 | United States | Agricultural entomology |
| Giuseppe Müller | 1889 | 1964 | Croatia | Coleoptera (Note that he published under both "Giuseppe" and "Josef") |
| Otto Friedrich Müller | 1730 | 1784 | Denmark | |
| Étienne Mulsant | 1797 | 1880 | France | |
| Eugene G. Munroe | 1919 | 2008 | Canada | |
| Andrew Dickson Murray | 1812 | 1878 | Scotland | Coleoptera |
| J. G. Myers | 1897 | 1942 | United Kingdom | |
| N | | | | |
| Vladimir Nabokov | 1899 | 1977 | Russia / United States / Switzerland | Lepidoptera: mainly Lycaenidae |
| Longinos Navás | 1858 | 1938 | Spain | Neuropteroidea |
| Roger Naviaux | 1926 | 2016 | France | Coleoptera: Cicindelidae |
| Yasushi Nawa | 1857 | 1926 | Japan | |
| Christian Gottfried Daniel Nees von Esenbeck | 1776 | 1858 | Germany | |
| Oleg Pavlovich Negrobov | 1941 | 2021 | Russia | Diptera: Dolichopodidae |
| Edward Newman | 1801 | 1876 | United Kingdom | |
| L. Hugh Newman | 1909 | 1993 | United Kingdom | Lepidoptera |
| George Newport | 1803 | 1854 | United Kingdom | |
| Lionel de Nicéville | 1852 | 1901 | United Kingdom | Lepidoptera |
| Ebbe Schmidt Nielsen | 1950 | 2001 | Denmark | |
| John Nietner | 1828 | 1874 | Germany | Coleoptera |
| Anton Franz Nonfried | 1854 | 1923 | Germany | Coleoptera |
| Guido Nonveiller | 1913 | 2002 | Croatia | Coleoptera |
| Kenneth Richard Norris | 1914 | 2003 | Australia | |
| William Noye | 1814 | 1872 | United Kingdom | Lepidoptera |
| John Noyes | 1949 | | United Kingdom | Hymenoptera: Chalcidoidea |
| Charles George Nurse | 1862 | 1933 | United Kingdom | Lepidoptera, Hymenoptera |
| O | | | | |
| Eugene O'Mahoney | 1899 | 1951 | Ireland | Coleoptera, Mallophaga, Siphonaptera |
| Jan Obenberger | 1892 | 1964 | Czech Republic (Czechoslovakia) | Coleoptera: Buprestidae |
| Charles Oberthür | 1845 | 1924 | France | Lepidoptera |
| René Oberthür | 1852 | 1944 | France | Coleoptera |
| Georg Hermann Alexander Ochs | 1887 | 1971 | Germany | Coleoptera |
| Ferdinand Ochsenheimer | 1767 | 1822 | Germany | Lepidoptera |
| Thomas R. Odhiambo | 1931 | 2003 | Kenya | Medical entomology |
| Lawrence Ogilvie | 1898 | 1980 | Bermuda / United Kingdom | Insects of Bermuda |
| Harold Oldroyd | 1914 | 1978 | United Kingdom | Diptera |
| Guillaume-Antoine Olivier | 1756 | 1814 | France | |
| Arthur Sidney Olliff | 1865 | 1895 | Australia | |
| Paul W. Oman | 1908 | 1996 | United States | Hemiptera |
| Eleanor Anne Ormerod | 1828 | 1901 | United Kingdom | |
| Karl Robert Osten-Sacken | 1828 | 1906 | Russia / United States | Diptera: Tipulidae |
| Dan Otte | 1939 | | South Africa / United States | Orthoptera |
| Ebenezer Oduro Owusu | 1960 | | Ghana | |
| P | | | | |
| Alpheus Spring Packard | 1839 | 1905 | United States | |
| Jiří Paclt | 1925 | 2015 | Czech Republic / Slovakia | Diplura, Collembola, Archaeognatha, Zygentoma |
| André Paillot | 1885 | 1944 | France | insect pathology |
| Ambroise Marie François Joseph Palisot, Baron de Beauvois | 1752 | 1820 | France | |
| Peter Simon Pallas | 1741 | 1811 | Germany (Prussia) / Russia | Coleoptera, Lepidoptera |
| Charles E. Palm | 1911 | 1996 | United States | |
| Louis Pandellé | 1824 | 1905 | France | Coleoptera |
| Georg Wolfgang Franz Panzer | 1755 | 1829 | Germany | Coleoptera |
| Francis Polkinghorne Pascoe | 1813 | 1893 | United Kingdom | Coleoptera |
| Carlo Passerini | 1793 | 1857 | Italy | Coleoptera |
| Giovanni Passerini | 1816 | 1893 | Italy | Hemiptera |
| Gustaf von Paykull | 1757 | 1826 | Sweden | Coleoptera |
| Titian Peale | 1799 | 1885 | United States | Lepidoptera |
| William Dandridge Peck | 1763 | 1822 | United States | |
| Edward Pelham-Clinton, 10th Duke of Newcastle-under-Lyne | 1920 | 1988 | United Kingdom | Lepidoptera |
| Cyril Eugene Pemberton | 1886 | 1975 | United States | Economic entymology, Coleoptera, Hymenoptera |
| Achille Rémy Percheron | 1797 | 1869 | France | |
| Louis Péringuey | 1855 | 1924 | France/South Africa | Coleoptera |
| Robert Cyril Layton Perkins | 1866 | 1955 | United Kingdom | Hymenoptera |
| Édouard Perris | 1808 | 1878 | France | Coleoptera; Diptera; Hemiptera |
| Maximilian Perty | 1804 | 1884 | Germany | |
| Alexander Ivanovitch Petrunkevitch | 1875 | 1964 | Russia / United States | Arachnology; Hymenoptera: Apis mellifera |
| Jeffery Pettis | 1955 | | United States | |
| Cornelius Becker Philip | 1900 | 1987 | United States | Diptera |
| Alfred Philpott | 1870 | 1930 | United Kingdom | |
| Maurice Pic | 1866 | 1957 | France | Coleoptera: Cerambycidae |
| François Jules Pictet de la Rive | 1809 | 1872 | Switzerland | |
| W. Dwight Pierce | 1881 | 1967 | United States | Insect pests |
| Elliot Pinhey | 1910 | 2000 | United Kingdom | Lepidoptera, Odonata |
| Odorado Pirazzoli | 1815 | 1884 | Italy | Coleoptera |
| Carl Plötz | 1814 | 1886 | Germany | Lepidoptera |
| Nikolaus Poda von Neuhaus | 1723 | 1798 | Austria | Insecta. Poda was the author of the first purely entomological work to follow the binomial nomenclature of Carl Linnaeus. |
| George Poinar Jr. | 1936 | | United States | |
| Yuri Alexandrovich Popov | 1936 | 2016 | USSR/Russia | Hemiptera |
| Jules Putzeys | 1809 | 1882 | Belgium | Coleoptera - Carabidae |
| Robert Michael Pyle | 1947 | | United States | Lepidoptera |
| Q | | | | |
| Friedrich Otto Gustav Quedenfeldt | 1817 | 1891 | Germany | Coleoptera |
| R | | | | |
| Oktawiusz Bourmeister-Radoszkowski | 1820 | 1895 | Russia | Hymenoptera |
| Constantine Samuel Rafinesque | 1783 | 1840 | France | |
| František Rambousek | 1886 | 1931 | Czech | Coleoptera, economic entomology |
| Jules Pierre Rambur | 1801 | 1870 | France | |
| Maynard Jack Ramsay | 1914 | 2005 | United States | Economic entomology |
| Alexandr Pavlovich Rasnitsyn | 1936 | | Russia | Palaeoentomology; Hymenoptera |
| Julius Theodor Christian Ratzeburg | 1801 | 1871 | Germany | |
| Pierre Réal | 1922 | 2009 | France | Lepidoptera: Nymphalidae: Morpho, Pieridae, Tortricidae |
| René Antoine Ferchault de Réaumur | 1683 | 1757 | France | |
| Hans Rebel | 1881 | 1940 | Austria | Lepidoptera |
| Ludwig Redtenbacher | 1814 | 1876 | Austria | Coleoptera |
| Maurice Auguste Régimbart | 1852 | 1907 | France | Coleoptera |
| Louis Jérôme Reiche | 1799 | 1890 | Netherlands / France | Coleoptera |
| George Morrison Reid Henry | 1891 | 1983 | Sri Lanka | Orthoptera |
| Hermann Reinhard | 1816 | 1892 | Germany | Hymenoptera |
| Edmund Reitter | 1845 | 1920 | Germany | Coleoptera |
| James Rennie | 1787 | 1867 | Scotland | General entomology, Lepidoptera |
| Anders Jahan Retzius | 1742 | 1821 | Sweden | |
| Enzio Reuter | 1867 | 1951 | Finland | Lepidoptera |
| Max Paul Riedel | 1870 | 1941 | Germany | Diptera |
| Charles Valentine Riley | 1843 | 1895 | United States | Economic entomology |
| Robert Henry Fernando Rippon | 1816 | 1917 | United Kingdom | Lepidoptera |
| Friedrich Ris | 1867 | 1931 | Switzerland | Odonata |
| Jean-Baptiste Robineau-Desvoidy | 1799 | 1857 | France | Diptera |
| Harold E. Robinson | 1932 | 2020 | United States | Diptera |
| Johann Jacob Roemer | 1763 | 1819 | Switzerland | |
| Alois Friedrich Rogenhofer | 1831 | 1897 | Austria | Lepidoptera |
| Boris Borisovich Rohdendorf | 1904 | 1977 | Russia (USSR) | Palaeoentomology; Diptera |
| Hermann Rolle | 1864 | 1929 | Germany | Lepidoptera, insect dealer |
| Per Abraham Roman | 1872 | 1943 | Sweden | Hymenoptera |
| Camillo Rondani | 1808 | 1879 | Italy | Diptera |
| Joseph Pierre Rondou | 1854 | 1935 | France | Lepidoptera |
| August Johann Rösel von Rosenhof | 1705 | 1759 | Germany | |
| Pietro Rossi | 1738 | 1804 | Italy | Odonata, Lepidoptera |
| Charles Rothschild | 1877 | 1923 | United Kingdom | Siphonaptera |
| Miriam Louisa Rothschild | 1908 | 2005 | United Kingdom | Siphonaptera |
| Walter Rothschild, 2nd Baron Rothschild | 1868 | 1937 | United Kingdom | Lepidoptera |
| S. A. von Rottemburg | 1745 | 1797 | Germany | Lepidoptera |
| George Thomas Rudd | c. 1795 | 1847 | United Kingdom | Coleoptera |
| Gaston Ruter | 1898 | 1979 | France | Coleoptera: Scarabaeidae: Cetoniinae |
| S | | | | |
| Auguste Sallé | 1820 | 1896 | France | Coleoptera |
| Osbert Salvin | 1835 | 1898 | United Kingdom | |
| Jaromír Šámal | 1900 | 1942 | Czechoslovakia | Ephemeroptera |
| George Samouelle | 1790 | 1846 | United Kingdom | Lepidoptera |
| Grace Sandhouse | 1896 | 1940 | United States | Apoidea |
| Felix Santschi | 1872 | 1940 | Switzerland | Hymenoptera: Formicidae |
| Ole A. Sæther | 1936 | 2013 | Norway | Diptera: Chironomidae |
| Félicien Henry Caignart de Saulcy | 1832 | 1912 | France | Coleoptera |
| William Wilson Saunders | 1809 | 1879 | United Kingdom | Lepidoptera, Hymenoptera |
| Henri de Saussure | 1829 | 1905 | Switzerland | Hymenoptera, Orthoptera |
| Thomas Say | 1787 | 1834 | United States | |
| Johann Gottlieb Schaller | 1734 | 1814 | Germany | Lepidoptera |
| Hermann Rudolph Schaum | 1819 | 1865 | Germany | Coleoptera |
| William Schaus | 1858 | 1942 | United States | Lepidoptera |
| Johann Rudolph Schellenberg | 1740 | 1806 | Switzerland | Coleoptera, Diptera |
| Ignaz Schiffermüller | 1727 | 1806 | Austria | Lepidoptera |
| Ignaz Rudolph Schiner | 1813 | 1873 | Austria | Diptera |
| Jørgen Matthias Christian Schiødte | 1815 | 1884 | Denmark | |
| Dietrich von Schlechtendal | 1834 | 1916 | Germany | Hymenoptera: Cynipidae |
| Justin O. Schmidt | 1947 | 2023 | United States | |
| Otto Schmiedeknecht | 1847 | 1936 | Germany | Hymenoptera |
| Heinrich Scholz | 1812 | 1859 | Germany | Hemiptera, Diptera |
| Carl Johan Schönherr | 1772 | 1848 | Sweden | Coleoptera |
| Franz von Paula Schrank | 1747 | 1835 | Germany | |
| Johann Christian Daniel von Schreber | 1739 | 1810 | Germany | |
| Arnold Schultze | 1875 | 1948 | Germany | Lepidoptera |
| Theodor Emil Schummel | 1786 | 1848 | Germany | Diptera |
| Boris Nikolayevich Schwanwitsch | 1889 | 1957 | Russia | Lepidoptera; General entomology; insect morphology |
| Wolfgang Schwenke | 1921 | 2006 | Germany | Forest entomology; Hymenoptera: Ichneumonidae |
| Giovanni Antonio Scopoli | 1723 | 1788 | Italy | Coleoptera |
| Alexander Walker Scott | 1800 | 1883 | Australia | |
| John Scott | 1823 | 1888 | United Kingdom | |
| Samuel Hubbard Scudder | 1837 | 1911 | United States | Palaeoentomology; Lepidoptera; Orthoptera |
| Eugène Séguy | 1890 | 1985 | France | Diptera |
| Georg Karl Maria Seidlitz | 1840 | 1917 | Germany | Coleoptera |
| Adalbert Seitz | 1860 | 1938 | Germany | Lepidoptera |
| Edmond de Sélys Longchamps | 1813 | 1900 | Belgium | Odonata |
| Andrey Petrovich Semyonov-Tyan-Shansky | 1866 | 1942 | Russia | Coleoptera |
| Ronald A. Senior-White | 1891 | 1954 | United Kingdom | Diptera |
| Seok Joo-myung | 1908 | 1950 | Korea | Lepidoptera |
| David Sharp | 1840 | 1922 | United Kingdom | Coleoptera |
| Herbert Kenneth Airy Shaw | 1902 | 1985 | United Kingdom | |
| Robert Walter Campbell Shelford | 1872 | 1912 | United Kingdom | |
| Shen Kuo | 1031 | 1095 | China | Insect pests and their natural enemies (predatory insects) |
| Philip Sheppard | 1921 | 1976 | United Kingdom | Lepidoptera |
| Jinshichi Shibuya | | | Japan | Lepidoptera |
| Takashi Shirozu | 1917 | 2004 | Japan | Lepidoptera |
| Aharon Shulov | 1907 | 1997 | Russia / Israel | |
| Frédéric Jules Sichel | 1802 | 1868 | France | Hymenoptera |
| Victor Antoine Signoret | 1816 | 1889 | France | Hemiptera |
| Sydney Skaife | 1889 | 1976 | South Africa | Hymenoptera |
| Thomas Gibson Sloane | 1858 | 1932 | Australia | Coleoptera |
| Frederick Smith | 1805 | 1879 | United Kingdom | Hymenoptera |
| James Edward Smith | 1759 | 1828 | United Kingdom | |
| John Bernhardt Smith | 1858 | 1912 | United States | |
| Ray F. Smith | 1919 | 1999 | United States | Economic entomology |
| Sidney Irving Smith | 1843 | 1926 | United States | |
| Roy Snelling | 1934 | 2008 | United States | Hymenoptera |
| Robert Evans Snodgrass | 1875 | 1962 | United States | |
| Francis H. Snow | 1840 | 1908 | United States | |
| Jinhaku Sonan | 1892 | 1984 | Japan | Lepidoptera, Hymenoptera: Ichneumonidae, insect pests of tea |
| Marc Soula | 1945 | 2012 | France | Coleoptera: Scarabaeidae: Rutelinae |
| Paul Gustav Eduard Speiser | 1877 | 1945 | Germany | Diptera |
| William Spence | 1783 | 1860 | United Kingdom | |
| William Blundell Spence | 1813 | 1900 | United Kingdom | |
| Andrew Spielman | 1930 | 2006 | United States | Medical entomology |
| Maximilian Spinola | 1780 | 1857 | France | Coleoptera, Hymenoptera, Hemiptera |
| Marla Spivak | 1955 | | United States | Hymenoptera |
| Aleksandr Aleksandrovich Stackelberg | 1897 | 1975 | Russia (USSR) | Diptera |
| Rasmus Carl Stæger | 1800 | 1875 | Denmark | Diptera |
| Henry Tibbats Stainton | 1822 | 1892 | United Kingdom | Lepidoptera |
| Carl Stål | 1833 | 1878 | Sweden | Hemiptera |
| Hermann Friedrich Stannius | 1808 | 1883 | France | Diptera |
| Otto Staudinger | 1830 | 1900 | Germany | Lepidoptera |
| Pietro Stefanelli | 1835 | 1919 | Italy | Odonata, Lepidoptera |
| Paul Stein | 1852 | 1921 | Germany | Diptera |
| Samuel Friedrich Stein | 1818 | 1885 | Germany | Diptera |
| Eduard Wilhelm Steinheil | 1830 | 1879 | Germany | Coleoptera |
| James Francis Stephens | 1792 | 1852 | United Kingdom | Coleoptera |
| Christian von Steven | 1781 | 1863 | Russia | Coleoptera; Lepidoptera |
| Hans Ferdinand Emil Julius Stichel | 1862 | 1936 | Germany | Lepidoptera |
| Caspar Stoll | | 1795 | Netherlands | |
| Embrik Strand | 1876 | 1947 | Norway | Lepidoptera |
| Nicholas Strausfeld | 1942 | | United Kingdom / United States | |
| Ferdinand Heinrich Hermann Strecker | 1836 | 1901 | United States | Lepidoptera |
| Edgar Harold Strickland | 1889 | 1962 | Canada | Diptera |
| Gabriel Strobl | 1846 | 1925 | Austria | Diptera |
| Henry Frederick Strohecker | 1905 | 1988 | United States | Coleoptera |
| Brian Roy Stuckenberg | 1930 | 2009 | South Africa | Diptera |
| Christian Wilhelm Ludwig Eduard Suffrian | 1805 | 1876 | Germany | Coleoptera |
| Johann Heinrich Sulzer | 1735 | 1813 | Switzerland | |
| Jacques M. R. Surcouf | 1873 | 1934 | France | Diptera |
| William Swainson | 1789 | 1855 | United Kingdom | |
| Jan Swammerdam | 1637 | 1680 | Netherlands | |
| Charles Swinhoe | 1838 | 1923 | United Kingdom | Lepidoptera |
| Robert Swinhoe | 1836 | 1877 | United Kingdom | |
| Datuk Rahman Anwar Syed | 1932 | 2009 | Pakistan | Economic entomology |
| Zoltán Szilády | 1878 | 1947 | Hungary | Diptera |
| T | | | | |
| Stephen Taber III | 1924 | 2008 | United States | Hymenoptera |
| Ryoichi Takahashi | 1898 | 1963 | Japan | Hemiptera |
| Sadao Takagi | 1932 | | Japan | Hemiptera: Coccoidea |
| George Talbot | 1882 | 1952 | England | Lepidoptera |
| Ernst Ludwig Taschenberg | 1818 | 1897 | Germany | |
| August Michael Tauscher | 1771 | 1841 | Germany (Saxony) | Coleoptera, Lepidoptera |
| Robert Templeton | 1802 | 1892 | Ireland | |
| Gilles Terral | 1943 | 1998 | France | Lepidoptera: Saturniidae |
| Frederick Vincent Theobald | 1868 | 1930 | England | Diptera |
| Nicolas Théobald | 1903 | 1981 | France | Paleo-Entomology |
| Oskar Theodor | 1898 | 1987 | Israel | Diptera |
| Cyrus Thomas | 1825 | 1910 | United States | |
| Michael C. Thomas | 1948 | 2019 | United States | Coleoptera |
| F. Christian Thompson | 1944 | 2021 | United States | Diptera |
| Carl Gustaf Thomson | 1824 | 1899 | Sweden | Coleoptera, Hymenoptera |
| James Livingston Thomson | 1828 | 1897 | United States / France | Coleoptera |
| Carl Peter Thunberg | 1743 | 1828 | Sweden | Coleoptera |
| Robert John Tillyard | 1881 | 1937 | Australia | Odonata, Plecoptera, Neuroptera |
| Philip Hunter Timberlake | 1883 | 1981 | United States | Hymenoptera |
| Norman Tindale | 1900 | 1993 | Australia | |
| Friedrich F. Tippmann | 1894 | 1974 | Hungary | Coleoptera |
| Sergiusz Graf von Toll | 1893 | 1961 | Poland | |
| André Léon Tonnoir | 1885 | 1940 | Belgium | |
| José Rollin de la Torre-Bueno (entomologist) | 1871 | 1948 | United States | Hemiptera |
| Belindo Adolfo Torres | 1917 | 1965 | Argentina | |
| Maeda Toshiyasu | 1799 | 1859 | Japan | All orders |
| Hervé de Toulgoët | 1911 | 2009 | France | Lepidoptera: Arctiinae |
| Charles Henry Tyler Townsend | 1863 | 1944 | United States | |
| Adolfo Targioni Tozzetti | 1823 | 1902 | Italy | Hemiptera |
| Roland Trimen | 1840 | 1916 | United Kingdom / South Africa | |
| Alessandro Trotter | 1874 | 1967 | Italy | Hymenoptera, Diptera |
| Walter R. Tschinkel | 1940 | | United States | |
| Tichon Sergeiewitsch Tschitscherine | 1869 | 1904 | Russia | |
| Iwasaki Tsunemasa | 1786 | 1842 | Japan | All higher orders |
| Charles Henry Turner | 1867 | 1923 | United States | All orders |
| J. W. Tutt | 1858 | 1911 | United Kingdom | Lepidoptera |
| Peter Twinn | 1916 | 2004 | United Kingdom | Coleoptera |
| U | | | | |
| Philip Reese Uhler | 1835 | 1913 | United States | Hemiptera |
| V | | | | |
| Edward Payson Van Duzee | 1861 | 1940 | United States | Diptera, Hemiptera |
| Edwin Van Dyke | 1869 | 1952 | United States | Coleoptera |
| Helmut Fritz van Emden | 1933 | | United Kingdom | Agricultural entomology |
| Pierre Léonard Vander Linden | 1797 | 1831 | Belgium | |
| Ruggero Verity | 1883 | 1959 | Italy | Lepidoptera |
| George Henry Verrall | 1855 | 1911 | United Kingdom | Diptera |
| Addison Emery Verrill | 1839 | 1926 | United States | Coleoptera |
| Enrico Verson | 1845 | 1927 | Italy | Sericulture |
| Carlo Vidano | 1923 | 1989 | Italy | Hemiptera: Auchenorrhyncha; Apiculture |
| Pierre Viette | 1921 | 2011 | France | Lepidoptera |
| Theodore Vigé | 1867 | | France | Lepidoptera |
| Joseph Villeneuve de Janti | 1868 | 1944 | France | Diptera |
| W | | | | |
| Sigbert Wagener | 1919 | 2004 | Germany | Lepidoptera |
| David L. Wagner | 1956 | | United States | Lepidoptera |
| Johan August Wahlberg | 1810 | 1856 | Sweden | Coleoptera, Lepidoptera |
| Peter Fredrik Wahlberg | 1800 | 1877 | Sweden | |
| Charles Athanase Walckenaer | 1771 | 1852 | France | |
| Francis Walker | 1809 | 1874 | United Kingdom | |
| James John Walker | 1851 | 1939 | United Kingdom | |
| Hans Daniel Johan Wallengren | 1823 | 1894 | Sweden | |
| Nadia Waloff | 1909 | 2001 | England | |
| Benjamin Dann Walsh | 1808 | 1869 | United States | |
| Joseph Waltl | 1805 | 1888 | Germany | Coleoptera |
| Erich Wasmann | 1859 | 1931 | Austria / Netherlands | Hymenoptera: Formicidae; Isoptera; Myrmecophilous and termitophilous Coleoptera: mainly Staphylinidae |
| Doug Waterhouse | 1916 | 2000 | Australia | |
| Frederick George Waterhouse | 1815 | 1898 | Australia | |
| George Robert Waterhouse | 1810 | 1888 | United Kingdom | |
| Friedrich Weber | 1781 | 1823 | Germany | |
| John Jenner Weir | 1822 | 1894 | United Kingdom | Lepidoptera |
| Torkel Weis-Fogh | 1922 | 1975 | Denmark | Orthoptera |
| Donald M. Weisman | 1924 | 2016 | United States | |
| Constantin Wesmael | 1798 | 1872 | Belgium | Hymenoptera |
| Mary Jane West-Eberhard | 1941 | | United States | Hymenoptera |
| Bernt Wilhelm Westermann | 1781 | 1868 | Denmark | |
| John O. Westwood | 1805 | 1893 | United Kingdom | Hymenoptera: Formicidae |
| George C. Wheeler | 1897 | 1991 | United States | |
| William Morton Wheeler | 1865 | 1937 | United States | Hymenoptera: Formicidae |
| Amoret Whitaker | | | United Kingdom | |
| Adam White | 1817 | 1879 | United Kingdom | |
| Francis Buchanan White | 1842 | 1894 | United Kingdom | |
| Donald Robert Whitehead | 1938 | 1990 | United States | |
| Christian Rudolph Wilhelm Wiedemann | 1770 | 1840 | Germany | Diptera |
| Vincent Wigglesworth | 1899 | 1994 | United Kingdom | |
| Benjamin Wilkes | | c. 1749 | United Kingdom | Lepidoptera |
| Carrington Bonsor Williams | 1889 | 1981 | United Kingdom | Economic entomology, migration, ecology |
| Carroll Williams | 1916 | 1991 | United States | |
| Samuel Wendell Williston | 1851 | 1918 | United States | Diptera |
| E. O. Wilson | 1929 | 2021 | United States | Hymenoptera: Formicidae |
| Johannes Winnertz | 1800 | 1896 | Germany | Diptera |
| Wilhelm von Winthem | 1799 | 1847 | Germany | Diptera, Hymenoptera |
| Heinrich Wolf | 1924 | 2004 | Germany | Hymenoptera |
| Johann Friedrich Wolff | 1778 | 1806 | Germany | Hymenoptera |
| Thomas Vernon Wollaston | 1822 | 1878 | United Kingdom | Coleoptera |
| Charles W. Woodworth | 1865 | 1940 | United States | Economic entomology |
| Thomas Workman | 1844 | 1900 | Ireland | Lepidoptera |
| Frederik Maurits van der Wulp | 1818 | 1899 | Netherlands | Diptera |
| Mark Alexander Wynter-Blyth | 1906 | 1963 | United Kingdom / India | |
| Philogène Auguste Galilée Wytsman | 1866 | 1925 | Belgium | |
| Y | | | | |
| Satyu Yamaguti | 1894 | 1976 | Japan | Diptera: Culicidae |
| David Allan Young | 1915 | 1991 | United States | Hemiptera: Cicadellidae |
| Z | | | | |
| Aleksei Konstantinovich Zagulyaev | 1924 | 2007 | Russia (USSR) | Lepidoptera: Tineoidea |
| Philipp Christoph Zeller | 1808 | 1883 | Germany | |
| Hans Zerny | 1887 | 1945 | Austria | Lepidoptera |
| Johan Wilhelm Zetterstedt | 1785 | 1875 | Sweden | Diptera, Hymenoptera |
| Rustem Devletovich Zhantiev | 1937 | | Russia | Coleoptera: Dermestidae; insect ecology and physiology (acoustic communication, orientation, neurophysiology) |
| Daniel Ziegler | 1804 | 1876 | United States | |
| Elwood Zimmerman | 1912 | 2004 | United States | Coleoptera |
| Johann Leopold Theodor Friedrich Zincken | 1770 | 1856 | Germany | |
| Fritz Konrad Ernst Zumpt | 1908 | 1985 | Germany / South Africa | Diptera |