# Denis (given name)

Denis (Russian: Денис) is a masculine given name. Notable people with the name include:
* Saint Denis of Paris (3rd century), French bishop and Christian martyr
* Denis the Areopagite, Biblical figure
* Denis, Bishop of Győr (13th century), Hungarian prelate
* Denis, son of Ampud (died 1236), Hungarian baron
* Denis the Carthusian (1402-1471), Roman Catholic theologian and mystic
* Denis of Hungary (c. 1210-1272), Hungarian-born Aragonese knight
* Denis of Portugal (1261-1325), king of Portugal
* Denis of the Nativity (1600-1638), French sailor and cartographer
* Denis, Lord of Cifuentes (1354-1397), infante of Portugal
* Denis the Little (c. 470-c. 544), Scythian monk
* Dênis (footballer, born 1983) (born 1983), Brazilian footballer
* Denis (footballer, born 1987) (born 1987), Brazilian professional footballer
* Denis (footballer, born 1989) (born 1989), Brazilian footballer
* Denis (footballer, born 2004) (born 2004), Brazilian footballer
* Denis, Palatine of Hungary (12th century), Hungarian lord
* Denis (harpsichord makers) (16th century to 18th century), French harpsichord makers
* Louis Juchereau de St. Denis (1676-1744), French-Canadian explorer of French Louisiana and Spanish Texas
* Denis Abdulahi (born 1990), Finnish professional footballer
* Denis Abdullin (born 1985), Russian KHL player
* Denis Aberhart (born 1953), New Zealand cricketer
* Denis Ablyazin (born 1992), Russian artistic gymnast
* Denis Adam (1924-2018), New Zealand businessman and art patron
* Denis Adamov (born 1998), Russian footballer
* Denis Auguste Affre (1793-1848), French Roman Catholic archbishop
* Denis Afinogenov (born 1974), Russian UHL and RSL player
* Denis Agre (born 1988), Bulgarian NBL player
* Denis Ahmetović (born 1995), Serbian professional footballer
* Denis Akiyama (1952-2018), Canadian actor
* Denis Aksenov (born 1986), Russian political figure
* Denis Albert Bardou (1841-1893), French scientific equipment optician
* Denis Alekseyev (born 1987), Russian sprint athlete
* Denis Alexander (born 1945), British writer, journal editor, biochemist, theistic evolutionist, creationism critic, Evangelical Anglican, and academic
* Denis Alexander, 6th Earl of Caledon (1920-1980), Irish Earl
* Denis Alibec (born 1991), Romanian professional footballer
* Denis Alijagić (born 2003), Czech professional footballer
* Denis Alimov (born 1979), Russian luger
* Denis Allan (born 1944), Canadian chess player
* Denis Allchurch (born 1953), Canadian provincial politician
* Denis Allen (disambiguation), several people
* Denis Amelote (1609-1678), French biblical writer and scholar
* Denis Amici (born 1972), Sammarinese politician
* Denis Antonov (born 1986), Russian rugby union player
* Denis ApIvor (1916-2004), British composer
* Denis Arkhipov (born 1979), Russian NHL player
* Denis Arlashin (born 1990), Russian professional footballer
* Denis Arndt (born 1939), American actor
* Denis Arnold (1926-1986), British musicologist
* Denis Atkins (1938-2016), English professional footballer
* Denis Atkinson (1926-2001), West Indian cricketer
* Denis Auroux (born 1977), French mathematician
* Denis Avdić (born 1982), Slovenian comedian, police officer, and radio host
* Denis Avey (1919-2015), British World War II veteran and holocaust survivor
* Denis Avril (born 1972), French international professional rugby union
* Denis Ayrapetyan (born 1997), Russian short-track speed skater
* Denis Azabagić (born 1972), Bosnian classical guitarist
* Denis Bachurin (born 1991), Russian professional ice hockey player
* Denis Badré (born 1943), French politician
* Denis Bajramović (born 1961), Croatian basketball coach and player
* Denis Baker (born 1966), New Zealand novelist and short story writer
* Denis Bakurskiy (born 1981), Russian professional footballer
* Denis Bališ (born 1992), Slovak footballer
* Denis Ball (1926-2003), Canadian ice hockey player
* Denis Banks (born 1959), Australian VFL/AFL player
* Denis Barantsev (born 1992), Russian KHL player
* Denis Barbe (born 1978), Seychellois footballer
* Denis Barberet (1714-1770), French biologist and veterinarian
* Denis Barbet, French Paralympic alpine skier
* Denis Barnes (1914-1992), English civil servant
* Denis Barnett (1906-1992), British Royal Air Force officer
* Denis Barry (disambiguation), several people
* Denis Barthe, French member of rock band Noir Désir
* Denis Baryshnikov (born 1995), Russian footballer
* Denis Bastick (born 1981), Irish Gaelic footballer
* Denis Bauda (born 1947), French professional footballer and manager
* Denis Baum (born 1987), German footballer
* Denis Baumgartner (born 1998), Slovak footballer
* Denis Baupin (born 1962), French political figure
* Denis Bayev (born 1983), Ukrainian KHL player
* Denis Baylor (1940-2022), American neurobiologist
* Denis Beauvais (born 1962), Canadian artist
* Denis Bećirović (born 1975), Bosnian politician, professor, and historian
* Denis Bédard (born 1950), Canadian composer and organist
* Denis Begbie (1914-2009), South African cricketer
* Denis Begic (born 1970), Swedish politician
* Denis Behan (born 1984), Irish football coach and player
* Denis Bélanger (born 1964), Canadian singer and songwriter
* Denis Belliveau, American photographer, author, and explorer
* Denis Bellotti (born 1986), Italian short-track speed skater
* Denis-Benjamin Papineau (1789-1854), Canadian merchant, seigneur, and bookseller
* Denis-Benjamin Viger (1774-1861), Canadian politician, lawyer, and businessman
* Denis Bérardier (1735-1794), French priest and theologian
* Denis Berezovsky (born 1974), Russian military personnel
* Denis Berger (born 1983), Austrian footballer
* Denis Bergeron (born 1956), Canadian minor planet discoverer
* Denis Bernard (disambiguation), several people
* Denis Berthiaume (1969-2022), Canadian academic and researcher
* Denis Bertolini (born 1977), Italian professional road racing cyclist
* Denis Betts (born 1969), English rugby league coach and player
* Denis Biba (born 1995), Albanian footballer
* Denis Bingham (1829-1897), Irish cricketer and military historian
* Denis Biryukov (born 1988), Russian volleyball player
* Denis Biševac (born 1996), Serbian-born Bosnian professional footballer
* Denis Black (1897-1973), British track and field athlete
* Denis Blackmore (1943-2022), American mathematician and professor
* Denis Blanchette (born 1956), Canadian politician
* Denis Blanchette, Canadian 48-year-old male stage technician killed in the 2012 Montreal shooting
* Denis Blondin (born 1947), Canadian anthropologist and writer
* Denis Blundell (1907-1984), New Zealand lawyer, cricketer, and diplomat
* Denis Bochl (born 1993), Croatian professional footballer
* Denis Bodrov (born 1986), Russian KHL player
* Denis Bogdan (born 1996), Belarusian-born Russian volleyball player
* Denis Bolshakov (born 1987), Russian professional footballer
* Denis Bond (disambiguation), several people
* Denis Bonin, Canadian candidate in the 2011 Ontario provincial election
* Denis Borisovich Korolyov (born 1987), Russian professional footballer
* Dénis Bouanga (born 1994), French-born American MLS player
* Denis Bouchard (born 1953), Canadian actor and playwright
* Denis Boucher (born 1968), Canadian MLB pitcher
* Denis Bourdoncle (born 1964), French professional footballer
* Denis Bouriakov (born 1981), Russian flautist
* Denis Bovey (1929-2023), Scottish Episcopalian priest
* Denis Bowen (1921-2006), South African artist, gallery director, and art promoter
* Denis Boyarintsev (born 1978), Russian football coach and player
* Denis Boyd (1891-1965), English Royal Navy officer
* Denis Boyles, American journalist, editor, university lecturer, and author
* Denis Boytsov (born 1986), Russian professional boxer
* Denis Braccini, French actor
* Denis Bradley, Irish PSNI vice-chairman, priest, and current freelance journalist
* Denis Braidotti (born 1972), Italian international judoka
* Denis Bray (1926-2005), British senior colonial civil servant in Hong Kong
* Denis Brean (1917-1969), Brazilian composer, journalist, broadcaster, and lyricist
* Denis Brennan (born 1945), Irish Roman Catholic prelate
* Denis Brian (1923-2017), Welsh journalist and writer
* Denis Brière (1945/1946-2022), Canadian forestry professor and academic administrator
* Denis Brînzan (born 1996), Romanian professional footballer
* Denis Brizuela (born 1997), Argentine professional footballer
* Denis Brogniart (born 1967), French sport journalist and television host
* Denis Brott (born 1950), Canadian cellist, music teacher, conductor, and music festival founder and artistic director
* Denis Browne (disambiguation), several people
* Denis Brownell Murphy (c. 1745-1755-1842), Irish miniature-painter
* Denis Bryant (1918-2005), Australian Anglican bishop and Royal Air Force officer
* Denis Buckley (disambiguation), several people
* Denis Buican (born 1934), Romanian-French scientist, bilingual writer, biologist, philosopher, and science historian
* Denis Bukhryakov (born 1981), Russian professional footballer
* Denis Bullough (1895-?), English footballer
* Denis Buntić (born 1982), Croatian handball player
* Denis Burgarella (born 1960), French astrophysicist
* Denis Burke (disambiguation), several people
* Denis Burns (born 1952), Irish hurling manager- and player
* Denis Bushuev (born 1982), German football manager
* Denis Bušnja (born 2000), Croatian footballer
* Denis Butler (disambiguation), several people
* Denis Butsayev (born 1977), Russian statesman
* Denis Buzy (1883-1965), French archaeologist
* Denis Byam (born 1977), Vincentian cricketer
* Denis Byrne (born 1974), Irish hurler
* Denis Byrne (Medal of Honor) (1833-1905), Irish-born American Army soldier
* Denis Čabrić, past member of Bosnian rock band Regina (Bosnia and Herzegovina band)
* Denis Calincov (born 1985), Moldovan football manager and player
* Denis Calvaert (c. 1540-1619), Antwerp-born Flemish painter
* Denis Cameron (born 1938), New Zealand rugby union player
* Denis Campbell (?-1603), Scottish Anglican priest in Ireland
* Denis Caniza (born 1974), Paraguayan footballer
* Denis Cannan (1919-2011), British dramatist, playwright, and scriptwriter
* Denis Canuel (born 1962), Canadian archer
* Denis Capel-Dunn (1903-1945), British lawyer and military bureaucrat
* Denis Caputo (born 1989), Argentine footballer
* Denis Carey (disambiguation), several people
* Denis Carter, Baron Carter (1932-2006), British agriculturalist and politician
* Denis Carufel (1954–2023), Canadian NHL player
* Denis Cashman (1843-1897), Irish political prisoner and diarist
* Denis Cauchi (born 1965), Maltese professional footballer
* Denis Caulfield Brady (1804-1886), Irish Roman Catholic politician
* Denis Caulfield Heron (1824-1881), Irish lawyer and politician
* Denis Caverzasi (born 1994), Italian professional footballer
* Denis Čery (born 1994), Slovak footballer
* Denis Chachkhalia (born 1950), Abkhazian writer, historian, and translator
* Denis Chalifoux (born 1971), Canadian NHL and LNAH player
* Denis Chalifoux (politician) (born 1955), Canadian politician
* Denis Chang (born 1944), Hong Kong barrister and politician
* Denis Charles (1933-1998), Virgin Islands-born American jazz drummer
* Denis Charvet (born 1962), French rugby union player
* Denis Chassé (born 1970), Canadian NHL player
* Denis Chavis (18th century), Syrian priest and monk
* Denis Chen (born 1977), Guatemalan footballer
* Denis Chervyakov (born 1970), Russian NHL player
* Denis Cheryshev (born 1990), Russian footballer
* Denis Chevrier (born 1954), French engineer
* Denis Chouinard (born 1964), Canadian film director and screenwriter
* Denis-Christel Sassou Nguesso, Congolese politician
* Denis Churkin (disambiguation), several people
* Denis Chushyalov (born 1992), Russian footballer
* Denis Cioban (born 1985), Moldovan road bicycle racer
* Denis Ciobotariu (born 1998), Romanian professional footballer
* Denis Clapton (born 1939), English footballer
* Denis Clark (born 1950), Australian footballer
* Denis Clarke (born 1959), Irish footballer
* Denis Clavel (1942–2024), French poet and politician
* Denis Clemente (born 1986), Puerto Rican BSN player
* Denis Cobell (born 1938), English humanist, freethought writer, secularist, pacifist, and atheist
* Denis Coderre (born 1963), Canadian politician
* Denis Coe (1929-2015), British politician
* Denis Coffey (born 1983), Irish hurler
* Denis Coffey (physician) (1865-1945), Irish physiology professor
* Denis Colin (born 1956), French bass clarinettist and composer
* Denis Collins (disambiguation), several people
* Denis Čomor (born 1990), Bosnian professional footballer
* Denis Compton (1918-1997), English multi-sportsman
* Denis Comtet (born 1970), French organist, pianist, choral conductor, and conductor
* Denis Connaghan (born 1945), Scottish footballer
* Denis Connaghan (footballer, born 1976) (born 1976), Scottish footballer
* Denis Connolly (born 1965), Irish installation- and video artist, and author
* Denis Constantin (born 1980), Mauritian badminton player
* Denis Conway (bishop) (1722-1796), Irish Roman Catholic prelate
* Denis Conway (actor) (born 1960), Irish actor
* Denis Coolican (1913-1995), Canadian businessman and politician
* Denis Cordner (1924-1990), Australian rules footballer, industrial chemist, and diplomat
* Denis Cosgrove (1948-2008), British cultural geographer and geography professor
* Denis Côté (born 1973), Canadian independent filmmaker and producer
* Denis Cotter, Irish celebrity chef, author, and restaurant proprietor
* Denis Cotter (cricketer) (1862-1905), Australian cricketer
* Denis Coughlan (born 1945), Irish hurler, Gaelic footballer, and manager
* Denis Coughlan (Blackrock hurler) (1871-1903), Irish sportsperson
* Denis Coulson (born 1994), Irish rugby union player
* Denis Coulthard Graham (1929-2002), British biological chemist
* Denis Cousins (born 1939), English cricketer
* Denis Couttet (1900-1956), French cross-country skier
* Denis Cregan (born 1940), Irish publican and politician
* Denis Creissels (born 1943), French linguistics professor
* Denis Cristofovici (born 1986), Moldovan goalkeeper
* Denis Crossan, Scottish cinematographer
* Denis Crouzet (born 1953), French historian
* Denis Martin Cowley (1919-1985), British barrister and judge
* Denis Crowley-Milling (1919-1996), Welsh World War II fighter pilot
* Denis Cubis, Australian rugby league footballer
* Denis Cukici (born 2003), Finnish professional footballer
* Denis Cullen (1886-1971), Irish politician and trade union official
* Denis Cunningham (born 1950), Hong Kong fencer
* Denis Curzi (born 1975), Italian long-distance runner
* Denis Cuspert (1975-2018), German rapper and ISIL member
* Denis Cussen (1901-1980), Irish sprinter, rugby union player, and doctor
* Denis Cyplenkov (born 1982), Russian professional arm wrestler
* Denis Cyr (born 1961), Canadian NHL player
* Denis Dallan (born 1978), Italian rugby union footballer
* Denis Dalton (born 1942), Australian VFL player
* Denis Daluri (born 1998), South Sudanese professional footballer
* Denis Daly (disambiguation), several people
* Denis Dangue Réwaka, Gabonese diplomat
* Denis Darbellay (born 1998), Swiss-born Thai footballer
* Denis Dasoul (1983-2017), Belgian footballer
* Denis Davydov (disambiguation), several people
* Denis de Belleval (born 1939), Canadian politician and administrator
* Denis Decrès (1761-1820), French Navy officer, count, and duke
* Denis Dechko (born 1990), Belarusian footballer
* Denis Defforey (1925-2006), French businessman
* Denis DeJordy (born 1938), Canadian NHL player
* Denis de la Reussille (born 1960), Swiss politician
* Denis Delestrac (born 1968), French director and producer
* Denis Delfino (?-1626), Italian Roman Catholic prelate
* Denis Dempsey (1826-1896), Irish-born British Army soldier who moved to Canada
* Denis Denisenko (born 1971), Russian astronomer
* Denis Denisov (born 1981), Russian KHL and NHL player
* Denis Dercourt (born 1964), French film director and screenwriter
* Denis Dereshev (born 1978), Russian footballer
* Denis de Rougemont (1906-1985), Swiss writer and cultural theorist
* Denis de Sallo (1626-1669), French writer and lawyer
* Denis Desmond (born 1943), British company director and public administrator
* Denis Detcheverry (born 1953), French politician
* Denis Devlin (1908-1959), Irish poet and diplomat
* Denis Diderot (1713-1784), French philosopher and co-founder of the Encyclopédie
* Denis Dighton (1792-1827), English painter
* Denis Dimitrov (born 1994), Bulgarian sprinter
* Denis Dmitriev (born 1986), Russian track cyclist
* Denis Dobson (1908-1995), British solicitor, barrister, and civil servant
* Denis Dodart (1634-1707), French physician, naturalist, and botanist
* Denis Doherty (1861-1935), Australian businessman, pastoralist, and politician
* Denis Dolecsko (1903-?), Romanian fencer
* Denis Dolgodvorov (born 1982), Russian freestyle skier
* Denis Dominique Cardonne (1721-1783), French orientalist and translator
* Denis Donaldson (1950-2006), Irish volunteer
* Denis Donkervoort (born 1988), Dutch racing driver
* Denis Donnelly (1833-1896), Irish-born Australian politician
* Denis Donoghue (disambiguation), several people
* Denis Dorogaev, Russian Paralympic swimmer
* Denis Dorozhkin (born 1987), Russian professional footballer
* Denis Douglin (born 1988), American professional boxer
* Denis Dowling (1910-1996), New Zealand-born English baritone
* Denis Dowling Mulcahy (1833-1900), Irish criminal and medical doctor
* Denis Doyle (1900-?), Irish footballer
* Denis Drăguș (born 1999), Romanian professional footballer
* Dénis Duarte (born 1994), Portuguese professional footballer
* Denis Duboule (born 1955), Swiss-French biologist
* Denis Dubourdieu (1949-2016), French winemaker and oenology professor
* Denis Ducarme (born 1973), Belgian politician
* Denis Ducharme (born 1955), Canadian politician
* Denis Auguste Duchêne (1862-1950), French World War I general
* Denis Duchosal (born 1971), Swiss footballer
* Denis Duclos (born 1947), French sociologist and research director
* Denis Dufour (born 1953), French composer of art music
* Denis Duga (born 1994), Slovak professional footballer
* Denis Dumitrașcu (born 1995), Romanian professional footballer
* Denis Dunbar Gibbs (1927-2015), English physician
* Denis Dunlop (1892-1959), English sculptor and World War I personnel
* Denis Dupays, French choir conductor
* Denis Dupéré (1948-2019), Canadian NHL player
* Denis Dupont (born 1993), Belgian racing driver
* Denis Durnian (born 1950), English professional golfer
* Denis Dutton (1944-2010), American philosopher of art, web entrepreneur, and media activist
* Denis Duverne (born 1953), French businessman
* Denis Dyachenko (born 1986), Ukrainian footballer
* Denis Dyack (born 1966), Canadian video game developer
* Denis Dyca (born 1996), Albanian footballer
* Denis Dynon (1822-1863), Irish recipient of the Victoria Cross
* Denis Dyogtev (born 1988), Russian professional footballer
* Denis E. Dillon (1933-2010), American prosecutor and politician
* Denis Eadie (1917-2015), British Army officer
* Denis Earp (1930-2019), South African military commander
* Denis Eden (1878-1949), English artist
* Denis Edozie (1935-2018), Nigerian jurist and judge
* Denis Edward Arnold (1918-2015), British Army officer
* Denis-Émery Papineau (1819-1899), Canadian notary and political figure
* Denis Emorine (born 1956), French poet, playwright, short-story writer, essayist, and novelist
* Denis Epstein (born 1986), German professional footballer
* Denis Espinoza (born 1983), Nicaraguan footballer
* Denis Éthier (1926-2017), Canadian politician
* Denis Evans (born 1951), Australian scientist and emeritus professor
* Denis Evans (rugby union) (1936–2022), Welsh international rugby union player
* Denis Evers (1913-2007), English athlete and aviator
* Denis Ezhov (born 1985), Russian NHL player
* Denis Fahey (1883-1954), Irish Catholic priest, philosopher, and theologian
* Denis Farkasfalvy (1936-2020), Hungarian-American Catholic priest and monk
* Denis Farrelly (1912-1974), Irish Fine Gael politician
* Denis Faul (1932-2006), Irish Roman Catholic priest and civil rights campaigner
* Denis Favier (born 1959), French military officer
* Denis Fayzullin (born 2001), Russian footballer
* Denis Fedenko (born 1999), Russian footballer
* Denis Fedorenko (born 2003), Russian footballer
* Denis Fedotov (born 1977), Russian professional football coach and player
* Denis Feeney (born 1955), New Zealand professor
* Denis Fernand Py (1887-1949), French sculptor, medal artist, and engraver
* Denis Fetahović (born 1979), Montenegrin footballer
* Denis Field (born 1931), English athlete
* Denis Fillion (1948-2016), Canadian curler
* Denis Firago (born 2000), Belarusian professional footballer
* Denis Fitzgerald (born 1949), Australian professional rugby league footballer
* Denis Fladung (born 1979), Russian professional footballer
* Denis Flahaut (born 1978), French professional road racing cyclist
* Denis Flannery (1928-2012), Australian rugby league footballer
* Denis Florence MacCarthy (1817-1882), Irish poet, translator, and biographer
* Denis Fogarty (born 1983), Irish rugby union player
* Denis Foley (1934-2013), Irish politician
* Denis Follows (1908-1983), British sports administrator
* Denis Fomin (born 1996), Russian footballer
* Denis Fonvizin (1745-1792), Russian writer and playwright
* Denis Foreman (1933-2016), South African cricketer and footballer
* Denis Forest (1960-2002), Canadian actor
* Denis Forman (1917-2013), Scottish television industry executive
* Denis Forov (born 1984), Armenian Greco-Roman wrestler
* Denis Foyatier (1793-1863), French sculptor
* Denis Franchi (born 2002), Italian professional footballer
* Denis Francoeur (born 1963), Canadian ice hockey coach
* Denis-François Camusat (1697-1732), French historian
* Denis Franskevich (born 1981), Kazakhstani-Russian VHL player
* Denis Furtună (born 1999), Moldovan professional footballer
* Denis G. Lillie (1884-1963), British biologist
* Denis Gage Deane-Tanner (1876-?), British Army personnel
* Denis Galanin (born 1983), Russian video game developer and children's author
* Denis Galimzyanov (born 1987), Russian racing cyclist
* Denis Gallagher (1922-2001), Irish politician
* Denis Galloway (1878-1957), Scottish ethnographic artist and photographer
* Denis Gankin (born 1989), Kazakhstani archer
* Denis Gargan (1819-1903), Irish Roman Catholic cleric and educator
* Denis Gargaud Chanut (born 1987), French slalom canoeist
* Denis Garon (born 1963), Canadian weightlifter
* Denis Garrett (1906-1989), British plant pathologist and mycologist
* Denis Gaté (born 1958), French rower
* Denis Gaultier (1597 or 1602/1603-1672), French lutenist and composer
* Denis Gauthier (born 1976), Canadian NHL player
* Denis Gavini (1820-1916), French politician
* Denis Gem Shepstone (1888-1966), South African politician
* Denis Genreau (born 1999), French-born Australian professional footballer
* Denis George (c. 1751-1821), Irish barrister and judge
* Denis Geppert (born 1976), German luger
* Denis Gerrard (1903-1965), British lawyer and judge
* Denis Gershun (born 1976), Russian professional football coach and player
* Denis Gibbons (1932-2002), Australian folk musician, radio announcer, and musicologist
* Denis Gifford (1927-2000), British writer, broadcaster, journalist, comic artist, and film-, comics-, television-, and radio historian
* Denis Giraudet (born 1955), French rally co-driver
* Denis Gizatullin (born 1983), Russian international motorcycle speedway rider
* Denis Glavina (born 1986), Croatian professional footballer
* Denis Gleeson (1896-1970), Australian rules footballer
* Denis Glennon, Irish Gaelic footballer
* Denis Glover (1912-1980), New Zealand poet and publisher
* Denis Glushakov (born 1987), Russian international footballer
* Denis Gnezdilov (born 1986), Russian Paralympic athlete
* Denis Goavec (born 1957), French footballer and manager
* Denis Godeas (born 1975), Italian footballer and current assistant coach
* Denis Godefroy (1549-1622), French jurist
* Denis Godla (born 1995), Slovak professional ice hockey player
* Denis Godwin Antoine, Grenadian diplomat
* Denis Gojko (born 1998), Polish professional footballer
* Denis Goldberg (1933-2020), South African social campaigner
* Denis Golenko (born 1996), Belarusian professional footballer
* Denis Golovanov (born 1979), Russian professional tennis player
* Denis Goltsov (born 1990), Russian sambist and mixed martial arts fighter
* Denis Golubev (born 1991), Russian KHL player
* Denis Gomez (born 1991), Colombian professional footballer
* Denis Goodwin (1929-1975), English radio- and television comedy scriptwriter and actor
* Denis Gorbunov (1977-2006), Russian serial killer
* Denis Gorey (1874-1940), Irish politician
* Denis Gougeon (born 1951), Canadian composer and music educator
* Denis Goulet (1931-2006), French human development theorist
* Denis Grabe (born 1990), Estonian professional pool player
* Denis Grachev (disambiguation), several people
* Denis Granečný (born 1998), Czech professional footballer
* Denis Grant King (1903-?), English archaeological draftsman, artist, historic monument conservation campaigner, and archaeologist
* Denis Granville (1637-1703), English non-juring cleric
* Denis Gratias (born 1947), French scientist and emeritus research director
* Denis Grbić (born 1986), Slovenian footballer
* Denis Grebeshkov (born 1983), Russian KHL and NHL player
* Denis Grechikho (born 1999), Belarusian professional footballer
* Denis Greenhill, Baron Greenhill of Harrow (1913-2000), British diplomat and officer
* Denis Gremelmayr (born 1981), German inactive tennis player
* Denis Grgic (born 1991), German professional footballer
* Denis Gribanov (born 1986), Russian sailor
* Denis Griffiths (1922-2001), Welsh operatic tenor
* Denis Grimes (1864-1920), Irish sportsperson
* Denis Grondin (born 1954), Canadian Roman Catholic prelate
* Denis Grot (born 1984), Belarusian VHL and NHL player
* Denis Gruzhevsky (born 2000), Belarusian professional footballer
* Denis Gudayev (born 1991), Russian professional footballer
* Denis Guedj (1940-2010), French novelist and science professor
* Denis Gulin, Russian Paralympic athlete
* Denis Gurdzhi (born 2003), German figure skater
* Denis Gurianov (born 1997), Russian NHL player
* Denis Gusev (born 1981), Russian professional bodybuilder
* Denis Gusev (politician) (born 1976), Russian politician
* Denis Guye (1901-1986), English rower
* Denis Guyer (born 1966), American politician
* Denis Haines (born 1957), English musician
* Denis Halilović (born 1986), Slovenian footballer
* Denis Hall, British physicist, laser researcher, and academic
* Denis Hall (bishop) (1899-1983), British Anglican colonial bishop
* Denis Hallett (1922-2013), British weightlifter
* Denis Halliday (born c. 1941), Irish diplomat
* Denis Hallinan (1849-1923), Irish Roman Catholic bishop
* Denis Hamel (born 1977), Canadian NHL player
* Denis Hamilton (1918-1988), English newspaper editor
* Denis Hamlett (born 1969), Costa Rican-American APSL player and current coach
* Denis Handlin (born 1951), Australian entrepreneur and business executive
* Denis Hanley (1903-1980), British electrical engineer and politician
* Denis Hanrahan (1933-1987), New Zealand Roman Catholic bishop
* Denis Hardy (disambiguation), several people
* Denis Hart (born 1941), Australian Roman Catholic prelate
* Denis Haruț (born 1999), Romanian professional footballer
* Denis Harvey (1929-2003), Canadian journalist and television executive
* Denis Haughey (born 1944), Irish politician
* Denis Haydon (1930-1988), British biophysicist and academic
* Denis Hayes (born 1944), American environmentalist and Earth Day founder
* Denis A. Hayes (1860-1917), American labor union leader
* Denis Haynes (1923-2012), English cricketer
* Denis Heagney (1898-1942), Australian rules footballer
* Denis Healey (1917-2015), British politician
* Denis Healy (Irish politician), Irish politician
* Denis Heaslip (1933-2020), Irish hurler
* Denis Hegarty (1912-?), South African sailor
* Denis Hempson (c. 1695-1807), Irish harper
* Denis Hendren (1882-1962), English cricketer and umpire
* Denis Hennequin (born 1958), French businessman, entrepreneur, and administrator
* Denis Henrion (17th century), French mathematician
* Denis Henriquez (born 1945), Aruban writer
* Denis Henry (disambiguation), several people
* Denis Herard (1944–2023), Canadian politician
* Denis Hergheligiu (born 1999), Romanian professional footballer
* Denis Héroux (1940-2015), Canadian film director and producer
* Denis Herron (born 1952), Canadian NHL player
* Denis Heskin (1899-1975), Irish politician
* Denis Hickey (born 1964), Australian cricketer
* Denis Hickie (born 1976), Irish professional rugby union player
* Denis Higgs (1932-2011), British mathematician and mathematic doctor- and professor
* Denis Hills (1913-2004), British author, teacher, traveler, and adventurer
* Denis Hill-Wood (1906-1982), English football chairman and cricketer
* Denis Hinton (born 1939), Australian politician
* Denis Hollenstein (born 1989), Swiss NL player
* Denis Hollywood (born 1944), Scottish footballer
* Denis Horgan (1871-1922), Irish shot putter
* Denis Horník (born 1997), Slovak footballer
* Denis Houf (1932-2012), Belgian international footballer
* Denis Houle, Canadian actor
* Denis Howe (1928-2020), English footballer
* Denis Howe (editor), British editor
* Denis Howell (1923-1998), British politician
* Denis Hrezdac (born 2001), Romanian professional footballer
* Denis Hurley (disambiguation), several people
* Denis Iartsev (born 1990), Russian judoka
* Denis Ignashin (born 1988), Russian VHL player
* Denis Iguma (born 1994), Ugandan professional footballer
* Denis Ilescu (born 1987), Moldovan footballer
* Denis Inkin (born 1978), Russian professional boxer
* Denis Ireland (1894-1974), Irish essayist and political activist
* Denis Irwin (born 1965), Irish footballer and sports television presenter
* Denis Ispas (born 1993), Romanian professional footballer
* Denis Istomin (born 1986), Uzbek professional tennis player
* Denis Istomin (ice hockey) (born 1987), Russian NHL player
* Denis Ivanov (disambiguation), several people
* Denis J. Butler (1926-2010), American politician
* Denis J. Driscoll (1871-1958), American lawyer, educator, and politician
* Denis J. Hickie (1943-2021), Irish rugby union player
* Denis J. Madden (born 1940), American Roman Catholic prelate
* Denis J. O'Connell (1849-1927), Irish-born American Roman Catholic bishop
* Denis J. O'Sullivan (1918-1987), Irish politician
* Denis J. Oullahan (1824-1889), American politician
* Denis Jack (born 1941), Scottish professional footballer
* Denis Jacquat (born 1944), French politician
* Denis James (1895-1965), English Archdeacon of Barnstaple
* Denis Jamet (?-1625), French Roman Catholic missionary in Canada
* Denis Jančo (born 1997), Slovak footballer
* Denis Janot (fl. 1529-1544), French printer and bookseller
* Denis Jeambar (born 1948), French journalist
* Denis Jean Achille Luchaire (1846-1908), French historian
* Denis Jean-Marie Jachiet (born 1962), French Catholic prelate
* Denis Jenkinson (1920-1996), British sports journalist
* Denis Jérome (born 1939), French experimental physicist
* Denis Jeršov (1966-2017), Lithuanian engineer and oil and gas entrepreneur
* Denis Johansson (1928-1991), Finnish middle-distance runner
* Denis Johnson (1949-2017), American novelist, short-story writer, and poet
* Denis Johnson (inventor) (c. 1760-1833), English coachmaker and pioneer bicycle-maker
* Denis Johnston (1901-1984), Irish writer, war correspondent, and radio and TV producer
* Denis John Boocker (1922-1987), Welsh professional rugby league footballer
* Denis John Williams (1908-1990), Welsh neurologist and epileptologist
* Denis Jones (1906-1987), Irish politician
* Denis Jordan (1914-1982), Anglo-Australian chemist
* Denis Joseph (born 1958), South African politician
* Denis Joseph Cogan (c. 1858-1944), Irish businessman and politician
* Denis Joseph Cummings (1885-1956), New Zealand policeman and police commissioner
* Denis Jourdanet (1815-1892), French physician and physiologist
* Denis Julien (c. 1772-?), American fur trader and explorer of French-Canadian Huguenot origin
* Denis Juneau (1925-2014), Canadian painter, sculptor, and designer
* Dênis Júnior (born 1998), Brazilian footballer
* Denis Kadrić (born 1995), German-born chess player representing Montenegro
* Denis Kaliberda (born 1990), German volleyball player of Ukrainian descent
* Denis Kalinin (born 1980), Russian robber and serial killer
* Denis Kalume Numbi, Congolese general and politician
* Denis Kang (born 1977), Canadian professional mixed martial artist
* Denis Kapustin (militant) (born 1984), Russian far-right activist
* Denis Kapustin (athlete) (born 1970), Russian triple jumper
* Denis Karić (born 1972), Bosnian footballer
* Denis Kartsev (born 1976), Russian KHL player
* Denis Karyagin (born 2002), Bulgarian professional volleyball player
* Denis Katsyv, Ukrainian-, Russian-, and Israeli businessman
* Denis Kavlinov (born 1995), Russian footballer
* Denis Kaykov (born 1997), Russian footballer
* Denis Kazionov (born 1987), Russian KHL and NHL player
* Denis Kazungu (born c. 1989), Rwandan serial killer
* Denis Kearney (1846/1847/1848-1907), Irish-born American anti-capitalist, drayman, and labor organizer
* Denis Keefe (born 1958), British diplomat and ambassador to Serbia
* Denis Keegan (1924-1993), British barrister and company manager
* Denis Kelleher (1931-2002), Irish Gaelic footballer
* Denis Kelly (bishop) (1852-1924), Irish Roman Catholic bishop
* Denis Kendall (1903-1995), English engineer, businessman, and politician
* Denis Kenzo (born 1989), Russian DJ and music producer
* Denis Keogh (1838-1911), Irish-born Australian storekeeper and politician
* Denis Kessler (1952–2023), French businessman
* Denis Kevans (1939-2005), Australian poet, songwriter, and folk singer
* Denis Khismatullin (born 1984), Russian chess grandmaster
* Denis Khlopotnov (born 1978), Russian NHL player
* Denis Khlystov (born 1979), Russian KHL player
* Denis Khodykin (born 1999), Russian pair skater
* Denis Kilbride (1848-1924), Irish politician
* Denis Kina (born 1992), German footballer
* Denis Kinane (born 1957), Scottish immunologist, cell biologist, and infection-, immunity-, and genomics specialist
* Denis Kinchela (born c. 1965), Australian rugby league footballer
* Denis Kindl (born 1992), Czech professional ice hockey player
* Denis King (born 1939), English composer and singer
* Denis Kirilenko (born 1984), Russian professional footballer
* Denis Kiselyov (born 1978), Russian professional football coach and player
* Denis Kitchen (born 1946), American underground cartoonist, publisher, author, agent, and CBLDF founder
* Denis Kiwanuka Lote (1938-2022), Ugandan Roman Catholic prelate
* Denis Klinar (born 1992), Slovenian footballer
* Denis Klobučar (born 1983), Croatian cross-country skier
* Denis Klopkov (born 1986), Russian professional footballer
* Denis Klyuyev (born 1973), Russian football manager and player
* Denis Kniga (born 1992), Russian professional footballer
* Denis Knitel (born 1977), Tajikistani professional footballer
* Denis Koberskiy (born 1974), Russian footballer
* Denis Kochetkov, Russian KHL player
* Denis Kokarev (born 1985), Russian VHL player
* Denis Kolinger (born 1994), German-born Romanian professional footballer
* Denis Kolodin (born 1982), Russian football coach and player
* Denis Komivi Amuzu-Dzakpah (born 1943), Togolese Roman Catholic bishop
* Denis Kondakov (born 1978), Russian professional footballer
* Denis Koretskiy (born 1976), Russian footballer
* Denis Kornilov (born 1986), Russian ski jumper
* Denis Koputon (born 1996), Canadian YouTuber
* Denis Kostin (born 1995), Russian KHL player
* Denis Kostrzhevskiy (born 1968), Ukrainian businessman
* Denis Koval (born 1991), Russian speed skater
* Denis Kovalevich (born 2003), Belarusian professional footballer
* Denis Kozhukhin (born 1986), Russian pianist
* Denis Kozlov (disambiguation), several people
* Denis Kramar (born 1991), Slovenian footballer
* Denis Kravchenko (born 1976), Russian politician
* Denis Kravtsov (born 1990), Russian footballer
* Denis Krestinin (born 1994), Lithuanian basketball player
* Denis Krivoshlykov (born 1971), Russian team handball player
* Denis Krivushkin (born 1978), Kazakhstani cross-country skier
* Denis Kudla (born 1992), American professional tennis player
* Denis Kudla (wrestler) (born 1994), German Greco-Roman wrestler
* Denis Kudryavtsev (born 1992), Russian athlete
* Denis Kulakov (disambiguation), several people
* Denis Kulbayev (born 1975), Tajikistani footballer
* Denis Kulikov (born 2004), Israeli footballer
* Denis Kuljiš (1951-2019), Croatian writer, entrepreneur, and journalist
* Denis Kulyash (born 1983), Russian NHL player
* Denis Kurepanov (born 1988), Russian KHL player
* Denis Kurian (born 1984), Belarusian journalist and television presenter
* Denis Kutin (born 1993), Russian footballer
* Denis Kuzin (born 1989), Kazakhstani speed skater
* Denis Kwok (born 1990), Hong Kong member of Cantopop boy band Error
* Denis L. Feron (1928-2015), Belgian Olympic alpine skier
* Denis La Fontaine (1929-2011), Indian aviator
* Denis Laktionov (born 1977), Russian footballer
* Denis Lalanne (1926-2019), French sports journalist
* Denis Lalor, Irish hurler and footballer
* Denis Lamb (born 1937), American career diplomat
* Denis Lambert (born 1961), Canadian boxer
* Denis Lambin (1520-1572), French classical scholar
* Denis Lamothe, Canadian politician
* Denis Lamoureux (born 1954), Canadian evangelical, academic, theologian, and theistic evolutionist
* Denis Landry (born 1957), Canadian mayor
* Denis Landy (born 1962), Irish politician
* Denis Langaskens (born 1966), Belgian professional tennis player
* Denis Langlois (born 1968), French race walker
* Denis Langlois (director), Canadian director, screenwriter, producer, actor, and editor
* Denis Lanigan (1874-1933), Australian rules footballer
* Denis Lapaczinski (born 1981), German professional footballer and manager
* Denis Lapalme (1959-2021), Canadian amputee athlete and actor
* Denis Laptev (born 1991), Belarusian footballer
* Denis Larkin (1908-1987), Irish politician and trade union official
* Denis Larocque (born 1967), Canadian NHL player
* Denis Laskey (1916-1987), British ambassador to Romania and Austria
* Denis Lathoud (born 1966), French handball player
* Denis Latin (born 1966), Croatian television host
* Denis Lavagne (born 1964), French football coach and player
* Denis Lavant (born 1961), French actor
* Denis Law (1940–2025), Scottish footballer
* Denis Lawson (born 1947), Scottish actor and director
* Denis Lawson (footballer) (1897-1968), Scottish footballer
* Denis Lazavik (born 2006), Belarusian chess grandmaster
* Denis Lazure (1925-2008), Canadian psychiatrist and politician
* Denis Leamy (born 1981), Irish rugby union player and current coach
* Denis Leary (born 1957), American actor and comedian
* Denis Lebedev (born 1979), Russian boxer
* Denis Lebel (born 1954), Canadian politician
* Denis Le Bihan (born 1957), French medical doctor, physicist, and academy director
* Denis Lebrun (born 1958), American comic artist (Blondie strip)
* Denis Legersky (born 1987), Slovak ice hockey player and coach
* Denis Le Grant (?-1352), French composer
* Denis Le Marchant (1795-1874), British barrister, civil servant, writer, and politician
* Denis Lemeunier (born 1965), French wheelchair racer
* Denis Lemieux (born 1964), Canadian politician
* Denis Lenaghan (born 1956), Australian footballer
* Denis Leng (1934-2020), English cricketer
* Denis Lenoir (born 1949), French cinematographer
* Denis LePage, Canadian member of disco band Lime (band)
* Denis Leproux (born 1964), French racing cyclist
* Denis Lerrer Rosenfield (born 1950), Brazilian writer and columnist
* Denis Leushin (born 1985), Russian competitive figure skater
* Denis Levaillant (born 1952), French composer, pianist, and writer
* Denis Levitsky (born 1997), Belarusian professional footballer
* Denis Lhuillier (born 1973), French football manager and player
* Denis Lian (born 1972), Singaporean race car driver
* Denis Lidjan (born 1993), Slovenian footballer
* Denis Lill (born 1942), New Zealand-born British actor
* Dénis Lindbohm (1927-2005), Swedish author and occultist
* Denis Lindsay (disambiguation), several people
* Denis Linsmayer (born 1991), German professional footballer
* Denis Loginov (born 1985), Russian NHL player
* Denis Loktev (born 2000), Israeli swimmer
* Denis Lortie (born 1959), Canadian corporal
* Denis Losier (born 1952), Canadian businessman, economist, public servant, and politician
* Denis Losnikov (born 1994), Estonian volleyball player
* Denis Loubet, digital artist
* Denis-Louis Destors (1816-1882), French architect
* Denis Love (1955-2012), Scottish international lawn bowler
* Denis Lovegrove (1904-1979), Australian politician
* Denis-Luc Frayssinous (1765-1841), French prelate, statesman, orator, and writer
* Denis Lukyanov (born 1989), Russian athletics competitor
* Denis Lunghi (born 1976), Italian professional racing cyclist
* Denis Lutge (1879-1953), Australian pioneer rugby league- and rugby union player
* Denis Lyamin (born 1979), Russian lieutenant general
* Denis Lynch (born 1976), Irish show jumper
* Denis Lyons (1935-2014), Irish politician
* Denis M. Hughes, American reserve system director
* Denis Maccan (born 1984), Italian footballer
* Denis MacEoin (1949-2022), British academic, scholar, and writer
* Denis Machuel (born 1964), French business executive
* Denis Mackail (1892-1971), English fiction writer
* Denis Mackey (1934-1990), Australian medical practitioner
* Denis MacShane (born 1948), British politician, author, and commentator
* Denis Madden (born 1948), Irish police officer and recipient of the Scott Medal
* Denis Maffey (1922-1995), English footballer
* Denis Magadiyev (born 1992), Russian professional footballer
* Denis Maguire (1721-1798), Irish Roman Catholic churchman
* Denis Maher (born 1991), Irish hurler
* Denis Mahmudov (born 1989), Macedonian footballer
* Denis Mahon (1910-2011), British collector and art historian
* Denis Mahon (British Army officer) (1787-1847), Irish landlord
* Denis Mahony (1928-2017), Irish Gaelic footballer
* Denis Maidanov (born 1976), Russian singer, songwriter, actor, and politician
* Denis Makarov (born 1998), Russian professional footballer
* Denis Makarov (ice hockey) (born 1983), Russian ice hockey player
* Denis Malgin (born 1997), Swiss NHL player
* Denis Malinin (born 1983), Kazakhstani professional footballer
* Denis Malone (1922-2000), British jurist in the Caribbean
* Denis Mandarino (born 1964), Brazilian composer, artist, and writer
* Denis Mangafic (born 1989), German footballer
* Denis Mann (born 1935), Scottish glass artist
* Denis Manturov (born 1969), Russian politician
* Denis Marandici (born 1996), Moldovan footballer
* Denis Marconato (born 1975), Italian LBA player
* Denis Margalik (born 1997), Argentine figure skater
* Dênis Marinho (born 1963), Brazilian rower
* Denis Marion (1906-2000), Belgian journalist and chess player
* Denis Markaj (born 1991), Kosovan-Swiss professional footballer
* Denis Marleau (born 1954), Canadian director
* Dênis Marques (born 1981), Brazilian footballer
* Denis Marshall (disambiguation), several people
* Denis Martin (1920-1988), Northern Irish singer, actor, and theater producer
* Denis-Constant Martin (born 1947), French scholar
* Denis Martínez Roque (born 1990), Cuban dancer and choreographer
* Dénis Martins (born 1997), Portuguese professional footballer
* Denis Martin Tapsoba (1916-2008), Burkinabe Roman Catholic bishop
* Denis Mary Bradley (1846-1903), Irish-born American Roman Catholic prelate
* Denis Mashkarin (born 1973), Russian professional footballer
* Denis Mashkin (born 1996), Russian footballer
* Denis Masi (born 1942), British artist
* Denis Masséglia (born 1981), French politician
* Denis Mast (born 1941), Swiss cross-country skier
* Denis Matiola (born 1978), Russian professional footballer
* Denis Matrosov (born 1972), Russian actor
* Denis Matsuev (born 1975), Russian classical pianist and jazz performer
* Denis Matsukevich (born 1986), Russian professional tennis player
* Denis Matthew Lowney (1863-1918), Irish-born American Roman Catholic prelate
* Denis Matthews (1919-1988), English pianist and musicologist
* Denis Matveev (born 1983), Russian cosmonaut
* Denis Matyugin (born 1992), Russian footballer
* Denis Maurice O'Conor (1840-1883), Irish barrister and politician
* Denis Mbuyu Manga (born 1939), Congolese politician
* Denis McBride (disambiguation), several people
* Denis McCullough (1883-1968), Irish politician
* Denis McDaid (1899-1981), Irish Roman Catholic clergyman
* Denis McDonald, Irish lawyer and judge
* Denis McDonough (born 1969), American politician, appointed President Obama's second-term Chief of Staff
* Denis McFadden (born 1946), Australian hairdresser-turned-businessman and entrepreneur
* Denis McGrath (1968-2017), Canadian-American screenwriter and producer
* Denis McGrath (lawyer) (1910-1986), New Zealand politician and lawyer
* Denis McKey (1910-1982), Australian VFL player
* Denis McLaughlin (born 1987), Irish professional association footballer
* Denis McLean (1930-2011), New Zealand diplomat, academic, author, and civil servant
* Denis McLoughlin (1918-2002), British illustrator
* Denis McNamara (1926-2009), British wrestler
* Denis McQuade (born 1951), Scottish footballer
* Denis McQuail (1935-2017), British communication theorist and emeritus professor
* Denis McSwiney, Singaporean architect
* Denis Meaney (1936-2011), Australian professional rugby league footballer
* Denis Mégevand, Swiss minor planet discoverer
* Denis Mehigan (1890-1959), Irish Gaelic footballer
* Denis Meléndez (born 1995), Honduran professional footballer
* Denis Meloche (born 1952), Canadian WHA and NHL player
* Denis Menchov (born 1978), Russian professional road bicycle racer
* Denis Menke (1940-2020), American MLB player and coach
* Denis Ménochet (born 1976), French actor
* Denis Mercier (born 1959), French military officer
* Denis Mesples (born 1963), French equestrian
* Denis Mesritz (1919-1945), Dutch lawyer
* Denis Metlyuk (born 1972), Russian RSL and NHL player
* Denis Michaud (born 1946), Canadian luger
* Denis Mickiewicz, Russian conductor and professor emeritus of Russian literature
* Denis Miéville (1946-2018), Swiss logic expert
* Denis Mihai (born 2003), Romanian Greco-Roman wrestler
* Denis Mijatović (born 1983), Croatian futsal player
* Denís Milar (born 1952), Uruguayan footballer
* Denis Miller (1918-2009), New Zealand bomber and airline pilot
* Denis Mitchell (disambiguation), several people
* Denis Mitchison (1919-2018), British bacteriologist
* Denis Moiseychenkov (born 1986), Russian bobsledder
* Denis Mojstrovič (born 1986), Slovenian footballer
* Denis Moloney (born 1954), Irish solicitor, lawyer, and academic
* Denis Mondor, Canadian judge and lawyer
* Denis Monette (1936–2023), Canadian journalist and author
* Denis Moore (1910-2003), English cricketer
* Dennis Moran (disambiguation), several people
* Denis Moreau (born 1967), French philosopher
* Denis Morel (born 1948), Canadian NHL referee
* Denis Mosalev (born 1986), Russian KHL player
* Denis Moschitto (born 1977), German actor
* Denis Muhović (born 1976), Bosnian karate competitor and coach
* Denis Mujkić (born 1983), Bosnian footballer
* Denis Mukwege (born 1955), Congolese gynecologist and pastor
* Denis Mulcahy (born 1956), Irish hurler
* Denis Murphy (disambiguation), several people
* Denis Murray (disambiguation), several people
* Denis Mustafaraj (born 1986), Albanian footballer
* Denis Myšák (born 1995), Slovak sprint canoeist
* Denis Naegelen (born 1952), French professional tennis player
* Denis Napthine (born 1952), Australian politician
* Denis Nash, American epidemiologist
* Denis Naughten (born 1973), Irish politician
* Denis Navarro (born 1987), Brazilian auto racing driver
* Denis Neale (born 1944), English international table tennis player
* Denis Nekrasov (born 1997), Russian cyclist
* Denis Nekrasov (Russian nationalist) (1985–2022), Russian nationalist
* Denis Nesci (born 1981), Italian politician
* Denis Nevedrov (born 1994), Russian futsal player
* Denis Neves (born 1990), Brazilian footballer
* Denis Neville (1915-1995), English footballer and manager
* Denis-Nicolas Le Nourry (1647-1724), French Benedictine scholar
* Denis Nikisha (born 1995), Kazakh short track speed skater
* Denis Nikitin (born 1997), Russian footballer
* Denis Nikonorov (born 2004), Russian football player
* Denis Nizhegorodov (born 1980), Russian race walker
* Denis Noble (born 1936), British biologist
* Denis Norden (1922-2018), English comedy writer and television presenter
* Denis Norman (1931-2019), British-Zimbabwean politician
* Denis Novato (born 1976), Slovene musician and champion accordion player
* Denis Nsanzamahoro (died 2019), Rwandan actor and filmmaker
* Denis Nulty (born 1963), Irish Roman Catholic prelate
* Denis Nya (born 1996), Nigerian professional footballer
* Denis Nyangweso (born 1978), Ugandan politician
* Denis Nyhan (1939-2021), New Zealand harness racer
* Denis Nzioka (born 1985), Kenyan sexual- and gender minority activist-author
* Denis Obua (disambiguation), several people
* Denis O'Brien (disambiguation), several people
* Denis O'Callaghan (born 1949), Australian footballer
* Denis O'Callaghan (rugby league) (1939-2017), Australian rugby league footballer
* Denis Ó Connmhaigh (15th century), Irish Roman Catholic clergyman and bishop
* Denis O'Connor (disambiguation), several people
* Denis O'Conor Don (1912-2000), British Army personnel
* Denis O'Cullean (14th century), Irish Roman Catholic priest
* Denis O'Dea (1905-1978), Irish stage- and film actor
* Denis O'Dell (1923-2021), British film producer
* Denis Odoi (born 1988), Belgian professional footballer
* Denis O'Donaghue (1848-1925), American Roman Catholic bishop
* Denis O'Donnell (1875-1933), Irish entrepreneur
* Denis O'Donovan (born 1955), Irish politician
* Denis O'Driscoll (born 1952), Irish Gaelic footballer
* Denis O'Dwyer, Irish footballer
* Denis O'Gorman (1914-2005), Irish hurler
* Denis O'Gorman (athlete) (1928-2011), British long-distance runner
* Denis O'Hare (born 1962), American actor, singer, and author
* Denis O'Hearn, American sociology- and anthropology professor
* Denis O'Keeffe, Irish sportsperson
* Denis O'Leary (1863-1943), American educator, lawyer, and politician
* Denis Olegov (born 1998), Bulgarian writer and journalist of Russian descent
* Denis Olivera (born 1999), Uruguayan footballer
* Denis Omerbegović (born 1986), Bosnian-Herzegovinian professional footballer
* Denis O'Miachain (?-1285), Irish Roman Catholic priest, and Archdeacon of Achonry
* Denis O'Mulkyran (?-1224), Irish Roman Catholic priest, and Archdeacon of Ardcarne
* Denis O'Neil (born 1936), Australian sailor
* Denis Onyango (born 1985), Ugandan professional footballer
* Denis O'Regan (born 1953), English photographer
* Denis O'Regan (jockey) (born 1982), Irish jockey
* Denis O'Riordan (born 1941), Irish hurler
* Denis Ormerod (1922-2005), British Army soldier
* Denis O'Rourke (born 1946), New Zealand politician
* Denis Osadchenko (born 1990), Ukrainian-German footballer
* Denis Osborne (1932-2014), British diplomat and academic
* Denis Osin, American mathematician
* Denis Osipau (born 1983), Belarusian freestyle skier
* Denis Osipov (born 1987), Russian-born Chinese KHL player
* Denis Osokin (born 2002), Russian footballer
* Denis O'Sullivan (disambiguation), several people
* Denis Oswald (disambiguation), several people
* Denis Ovens (born 1957), English professional darts player
* Denis Owen (1931-1996), British ecologist, naturalist, author, broadcaster, and teacher
* Denis P. Galvin (born 1938), American career government administrator
* Denis Pack (1775-1823), Anglo-Irish military officer
* Denis Pack-Beresford (disambiguation), several people
* Denis Pagan (born 1947), Australian footballer and coach
* Denis Pain (1936-2019), New Zealand jurist and sports administrator
* Denis Pankratov (born 1974), Russian swimmer
* Denis Papin (1647-1713), French physicist, mathematician, and inventor
* Denis Paradis (born 1949), Canadian politician and lawyer
* Denis Parfenov (born 1987), Russian political figure and deputy
* Denis Parkinson (1915-2004), English motorcycle road racer
* Denis Parshin (born 1986), Russian NHL player
* Denis Alva Parsons (1934-2012), English sculptor and carver
* Denis Parsons Burkitt (1911-1993), Irish surgeon
* Denis Pasler (born 1978), Russian statesman and politician
* Denis Pätoprstý (born 1997), Slovak professional ice hockey player
* Denis Patrick O'Brien (born 1939), English economist
* Denis Patry (born 1953), Canadian ice hockey player
* Denis Payton (1943-2006), English musician and member of the Dave Clark Five
* Denis Pchelintsev (born 1979), Russian professional football coach and player
* Denis Pearce (1896-1968), British fencer
* Denis Péc (1220s-1280s), Hungarian baron and soldier
* Denis Pederson (born 1975), Canadian NHL player
* Denis Peel (1886-1927), English cricketer
* Denis Pelizzari (born 1960), French cyclist
* Denis Pelli (born 1954), American psychology professor and scientist
* Denis Peploe (1914-1993), Scottish artist and sculptor
* Denis Peposhi (born 1995), Albanian professional footballer
* Denis Pereira Gray (born 1935), British general practitioner
* Denis Peremenin (born 1976), Russian footballer
* Denis Perera (1930-2013), Sri Lanka Army 8th Commander
* Denis Perez (born 1965), French ice hockey player and coach
* Denis Perger (born 1993), Slovenian professional footballer
* Denis Periša (born 1983), Croatian political activist, whistle blower, and computer hacker
* Denis Perron (1938-1997), Canadian politician
* Denis Pervushin (born 1977), Russian professional football coach and player
* Denis Pétau (1583-1652), French Jesuit theologian
* Denis Peterson (born 1944), American hyperrealist painter
* Denis Petrashov (born 2000), Kyrgyzstani swimmer
* Denis Petrić (born 1988), Slovenian professional footballer of Serbian descent
* Denis Petro (born 1999), Slovak professional footballer
* Denis Petrov (born 1968), Russian pair skater
* Denis Pettiaux (born 1956), Belgian acrobat and referee
* Denis Petukhov (born 1978), Russian-American ice dancer
* Denis Petushinskiy (born 1967), Russian-New Zealand pole vaulter
* Denis Phipps (born 1985), Dominican MLB player
* Denis Pidev (born 1992), Bulgarian footballer
* Denis Piel (born 1944), French photographer and filmmaker
* Denis-Pierre-Jean Papillon de la Ferté (1727-1794), French civil servant, art connoisseur, theater manager, producer, and theater manager
* Denis Pigott (born 1946), Australian equestrian
* Denis Pimankov (born 1975), Russian swimmer
* Denis Pineda (born 1995), Salvadoran professional footballer
* Denis Pinto (born 1995), Costa Rican-born Bolivian footballer
* Denis Pirie, British politician
* Denis Pischikov (born 1983), Russian robber and serial killer
* Denis Pittard (born 1945), Australian rugby league footballer
* Denis Pitts (1930-1994), English journalist, filmmaker, and novelist
* Denis Pjeshka (born 1995), Albanian footballer
* Denis Platonov (born 1981), Russian NHL player
* Denis Podalydès (born 1963), French actor and scriptwriter of Greek descent
* Denis Polyakov (born 1991), Belarusian professional footballer
* Denis Popov (born 1979), Russian association football manager and player
* Denis Popov (footballer, born 2002) (born 2002), Russian footballer
* Denis Popović (born 1989), Slovenian professional footballer
* Denis Potoma (born 2000), Slovak professional footballer
* Denis Potvin (born 1953), Canadian NHL player
* Denis Poyarkov (born 1989), Russian professional footballer
* Denis Pozder (born 1989), Bosnian-German professional footballer
* Denis Preston (1916-1979), British record producer, recording studio owner, radio presenter, and music critic
* Denis Price (1908-1966), British Army general
* Denis Prieur (disambiguation), several people
* Denis Pritt (1887-1972), British barrister and politician
* Denis Prokopenko (born 1991), Kazakh footballer
* Denis Pronovost (born 1953), Canadian radio host, journalist, and politician
* Denis Pushilin (born 1981), Ukrainian politician, head of the Donetsk People's Republic
* Denis Pyramus (12th- and 13th century), Benedictine monk and poet
* Denis Quilley (1927-2003), English actor and singer
* Denis Radu (born 2003), Romanian footballer
* Denis Rampersad (born 1974), Trinidadian cricketer
* Denis Rancourt (born 1957), Canadian physics professor
* Denis Ranque (born 1952), French engineer and businessman
* Denis Rassulov (born 1990), Moldovan footballer
* Denis Rathbone (1912-1991), English track and field athlete
* Denis Rearden (c. 1810-1885), Irish politician
* Denis Reardon, Welsh boxer
* Denis Redman (1910-2009), British Army officer
* Denis Reggie, American wedding photographer
* Denis Rehák (born 1985), Slovak NHL player
* Denis Reidy, Irish Gaelic footballer
* Denis Renaud (born 1974), French football manager
* Denis Rența (born 2004), Romanian footballer
* Denis Retaillé (born 1953), French geography professor
* Denis Reul (born 1989), German DEL player
* Denis Rey (born 1966), French alpine skier
* Denis Reynolds, Australian magistrate and judge
* Denis Rice (born 1958), Irish rower
* Denis Rich (born 1954), Australian AFL umpire
* Denis Richards (1910-2004), British historian
* Denis Rickett (1907-1997), British civil servant
* Denis Ring (1897-1977), Irish hurler
* Denis Ristov (born 1990), Serbian footballer
* Denis Rivière (1945-2020), French painter
* Denis Rixson (1918-1994), British Royal Air Force officer
* Denis Robert (born 1958), French investigative journalist, novelist, and filmmaker
* Denis Robert Pack-Beresford (1864-1942), Irish entomologist and arachnologist
* Denis Robin (disambiguation), several people
* Denis Rocan (born 1949), Canadian politician
* Denis Rodier, Canadian comic book illustrator
* Denis Rodionov (born 1985), Kazakh footballer
* Denis Rodríguez (born 1996), Argentine footballer
* Denis Rogers (1917-1987), New Zealand doctor and politician
* Denis Michael Rohan (1941–2013), Australian arsonist
* Denis Rolleston Gwynn (1893-1973), Irish journalist, writer, history professor, and British Army personnel
* Denis Romanenco (born 1974), Moldovan footballer
* Denis Rooke (1924-2008), English industrialist and engineer
* Denis Rose (1922-1984), English jazz pianist and trumpeter
* Denis Rose (athlete) (born 1959), Seychellois sprinter
* Denis Rouleau, Canadian Royal Canadian Navy officer
* Denis Rousseau, American scientist and professor
* Denis Roux (born 1961), French cyclist
* Denis Ruddy (born 1950), Scottish footballer
* Denis Rugovac (born 1993), Czech road and track cyclist
* Denis Rukundo (born 1996), Rwandan professional footballer
* Denis Russell (1909-1986), English cricketer
* Denis Rustan (born 1983), Russian professional footballer
* Denis Rusu (disambiguation), several people
* Denis Ryan (disambiguation), several people
* Denis Sadovsky (born 1997), Belarusian professional footballer
* Denis Saifutdinov (born 1981), Russian motorcycle speedway rider
* Denis Salagayev (born 1979), Russian snowboarder
* Denis Samoylov (born 1999), Russian footballer
* Denis Sampson, Irish-born Canadian writer and literary critic
* Denis Sanders (1929-1987), American film director, screenwriter, and producer
* Denis Sandona (born 1955), French biathlete
* Denis Santry (1879–1960), Irish architect and cartoonist
* Denis Sargan (1924-1996), British econometrician
* Denis Sassou Nguesso (born 1943), Congolese politician and military officer
* Denis A. Saunders (born 1947), Australian ornithologist and conservationist
* Denis Saurat (1890-1958), Anglo-French scholar, writer, and broadcaster
* Denis Sauvage (1520-1587), French translator, historian, publisher, philologist, and historiographer
* Denis Savard (born 1961), Canadian NHL player
* Denis Savenkov (born 1983), Belarusian gymnast
* Denis Saverot, French journalist, author, and editor of French wine publications
* Denis Savin, Russian ballet dancer
* Denis Sayers (born 1934), English cricketer
* Denis Scanlon (born 1954), Australian VFL player
* Denis Scannell, Irish sportsperson
* Denis Scheck (born 1964), German literary critic, journalist, television presenter, and translator
* Denis Scherbakov (born 1978), Belarusian professional football referee
* Denis Schneider (born 1946), French painter
* Denis Schuller (born 1948), Australian cricketer of German descent
* Denis Scuto (born 1964), Luxembourgish footballer
* Denis Šefik (born 1976), Serbian water polo player
* Denis Ségui Kragbé (1938-1998), Ivorian shot putter and discus thrower
* Denis Selimović (born 1979), Slovenian professional footballer
* Denis Selishchev (born 1994), Russian professional footballer
* Denis Semionov (born 1985), Russian new media artist
* Denis Sergeev (born 1982), Russian amateur boxer
* Denis Sergeev (GRU officer) (born 1973), Russian military officer
* Denis Serikov, Russian media manager and radio personality
* Denis Serre (born 1954), French mathematician and professor
* Denis Shafikov (born 1985), Russian professional boxer
* Denis Shanagher (born 1956), American international rugby union player
* Denis Shapovalov (born 1999), Israeli-Canadian tennis player
* Denis Shaw (1921-1971), British character actor
* Denis Shcherbak (born 1989), Russian professional footballer
* Denis Shcherbitsky (born 1996), Belarusian professional footballer
* Denis Shchetkin (born 1982), Kazakhstan footballer
* Denis Shebanov (born 1989), Russian professional association footballer
* Denis Shemelin (born 1978), Kazakhstani KHL player
* Denis Shepilov (born 2000), Russian footballer
* Denis Shevchuk (born 1992), Russian footballer
* Denis Shevelev (born 1981), Russian professional footballer
* Denis Shipwright (1898-1984), British soldier
* Denis Shkarpeta (born 1981), Uzbekistani professional road cyclist
* Denis Shore (1915-1963), South African athlete
* Denis Shpakovsky (born 2001), Belarusian professional footballer
* Denis Shurshin (born 1989), Russian track cyclist
* Denis Shvedov (born 1981), Russian actor
* Denis Shvidki (born 1980), Ukrainian-born Russian NHL player
* Denis Silva (disambiguation), several people
* Denis Simachev (born 1974), Russian fashion designer and TV presenter
* Denis Simani (born 1991), Swiss-born Albanian footballer
* Denis Simard, Canadian candidate in the 2000 Canadian federal election
* Denis Simon, American professor and academic administrator
* Denis-Simon de Marquemont (1572-1626), French cleric
* Denis Simonet (born 1985), Swiss politician
* Denis Simplikevich (born 1991), Russian rugby union footballer
* Denis Simpson (1950-2010), Canadian actor and singer
* Denis Sinor (1916-2011), Hungarian-born American paleolinguist and historian
* Denis Sinyayev (born 1984), Russian professional footballer
* Denis Sire (1953-2019), French cartoonist
* Denis Skorokhodov (born 1981), Russian professional footballer
* Denis Smalley (born 1946), New Zealand composer and musician
* Denis Smallwood (1918-1997), British Royal Air Force commander
* Denis Šme (born 1994), Slovenian footballer
* Denis Smith (disambiguation), several people
* Denis Smyslov (born 1979), Russian professional cyclist
* Denis Snimshchikov (born 1975), Russian professional footballer
* Denis Sobolev (born 1993), Russian professional footballer
* Denis Sokolov (disambiguation), several people
* Denis Solovyov (born 1977), Russian professional football coach and player
* Denis Sommer (born 1957), French politician
* Denis Sonet (1926-2015), French Roman Catholic priest, chaplain, marriage counselor, and educator
* Denis Soskov (born 1977), Russian footballer
* Denis Soynikov (born 1986), Russian professional footballer
* Denis Špička (born 1988), Czech cyclist
* Denis Spirin (born 1980), Russian footballer
* Denis Spitsov (born 1996), Russian cross-country skier
* Denis Špoljarić (born 1979), Croatian handball player and current assistant coach
* Denis Spotswood (1916-2001), English Royal Air Force personnel
* Denis Ssebuggwawo Wasswa (1870-1886), Ugandan Catholic martyr and saint
* Denis Stairs (disambiguation), several people
* Denis Stasyuk (born 1985), Russian KHL and NHL player
* Denis Stevens (1922-2004), British musicologist
* Denis Stinat (born 1983), French association footballer
* Denis Stoff (born 1992), Ukrainian singer
* Denis Stoffels (c. 1570-1629), Dutch Bruges bishop
* Denis Štojs (born 1978), Slovenian motorcycle speedway rider
* Denis Stracqualursi (born 1987), Argentine footballer
* Denis Strauch (1937-1965), Australian VFL player
* Denis Streak (born 1949), Zimbabwean cricketer
* Denis Streker (born 1991), German footballer
* Denis Strelkov (born 1990), Russian racewalker
* Denis Suárez (born 1994), Spanish footballer
* Denis Sugrue (1927-2014), Irish rower
* Denis Sullivan (disambiguation), several people
* Denis Sutherland, New Zealand mayor
* Denis Švec (born 1996), Slovak footballer
* Denis Sverdlov (born 1978), British-based Russian businessman
* Denis Taaffe (1759-1813), Irish political writer and historian
* Denis Tabako (born 1974), Belarusian rower
* Denis Tahirović (born 1985), Croatian footballer
* Denis Talalay (born 1992), Russian footballer
* Denis Tarasov (born 1993), Russian Paralympic swimmer
* Denis Tardif, Canadian politician
* Denis Ten (1993-2018), Kazakhstani figure skater
* Denis Teofikov (2000–2021), Bulgarian singer
* Denis Terentyev (born 1992), Russian professional footballer
* Denis Thatcher (1915-2003), British businessman, husband of British Prime Minister Margaret Thatcher
* Denis Thériault (born 1959), Canadian author, playwright, and screenwriter of French-Canadian descent
* Denis Thomalla (born 1992), German professional footballer
* Denis Thwaites (1944-2015), English professional footballer murdered in the 2015 Sousse attacks
* Denis Tillinac (1947-2020), French writer and journalist
* Denis Tishagin (born 1975), Russian skier
* Denis Tkachuk (born 1989), Russian professional footballer
* Denis Tolpeko (born 1985), Russian KHL player
* Denis Tomaj (?-1241), Hungarian baron
* Denis Tomic (born 1998), Austrian professional footballer
* Denis Tomlinson (1910-1993), Rhodesian cricketer
* Denis Tonucci (born 1988), Italian footballer
* Denis Toussaint Lesage (1758-1796), French deputy, politician, and lawyer
* Denis Trapashko (born 1990), Belarusian footballer
* Denis Trautmann (born 1972), German race walker
* Denis Trček (born 1963), Slovenian computer scientist and university professor
* Denis Trento (born 1982), Italian ski mountaineer
* Denis Tristant (born 1964), French handball player
* Denis Troch (born 1959), French professional footballer and manager
* Denis Trottier (born 1952), Canadian politician and teacher
* Denis Trudel (born 1963), Canadian actor and politician
* Denis Truscott (1908-1989), British businessman and mayor
* Denis Tsargush (born 1987), Russian freestyle wrestler of Abkhaz descent
* Denis Tsoumou (born 1978), Congolese professional footballer
* Denis Tsygurov (1971-2015), Russian NHL player
* Denis Tumasyan (born 1985), Russian football coach and player of Armenian descent
* Denis Tunnicliffe, Baron Tunnicliffe (born 1943), British pilot and railwayman
* Denis Tuohy (born 1937), Irish television broadcaster, newsreader, journalist, and actor
* Denis Türje (1200s-1255), Hungarian baron, landowner, and military leader
* Denis Twitchett (1925-2006), British sinologist and scholar
* Denis Tyndall (1890-1965), British Army personnel and Anglican priest
* Denis Tyurin (born 1980), Russian KHL player
* Denis Ugarov (born 1975), Russian professional football coach and player
* Denis Ulanov (born 1993), Kazakh Olympic weightlifter
* Denis Ursu (born 2004), Romanian professional footballer
* Denis Urubko (born 1973), Russian-Polish mountaineer
* Denis Uryvkov (born 1985), Russian professional footballer
* Denis V. Gonchar, Russian diplomat
* Denis Vairasse (c. 1630-1672), French Huguenot writer
* Denis Valdez Perez (born 1979), Russian footballer
* Denis Vambolt (born 1995), Russian footballer
* Denis van Alsloot (c. 1570-c. 1626), Flemish landscape- and genre painter, draughtsman, and tapestry designer
* Denis Vann (1916-1961), English cricketer
* Denis van Uffelen (born 1971), Belgian professional tennis player
* Denis Vaucher (1898-1993), Swiss cross country skier
* Denis Vaugeois (born 1935), Canadian author, publisher, and historian
* Denis Vaughan (1926-2017), Australian-born orchestral conductor and multi-instrumentalist
* Denis Vavilin (born 1982), Russian footballer
* Denis Vavro (born 1996), Slovak professional footballer
* Denis Velić (born 1982), Swedish football manager and player
* Denis Ventúra (born 1995), Slovak professional footballer
* Denis Verdini (born 1951), Italian politician, banker, and convicted felon
* Denis Verschueren (1897-1954), Belgian racing cyclist
* Denis Vetchinov (1976-2008), Russian military personnel
* Denis Viane (born 1977), Belgian footballer
* Denis Vidal (born 1954), French anthropologist
* Denis Vieru (born 1996), Moldovan judoka
* Denis Viger (1741-1805), Canadian carpenter, businessman, and political figure
* Denis Vikhrov (born 1992), Russian footballer
* Denis Villeneuve (born 1967), Canadian film director, film producer, and screenwriter
* Denis Višinský (born 2003), Czech professional footballer
* Denis Volodin (born 1982), Kazakhstani professional footballer
* Denis Volotka (born 1985), Kazakhstani cross-country skier
* Denis Vorobyov (born 1979), Belarusian cross-country skier
* Denis Voronenkov (1971-2017), Russian politician
* Denis Voronov (born 1991), Russian footballer
* Denis Voynov (born 1990), Russian footballer
* Denis Vrain-Lucas (1818-1882), French forger
* Denis Waitley (born 1933), American motivational speaker, writer, and consultant
* Denis Wakeling (1918-2004), Church of England bishop
* Denis Walker (born 1933), Rhodesian politician and Methodist missionary
* Denis Walker (activist) (1947-2017), Aboriginal Australian activist
* Denis Walsh (born 1965), Irish hurling manager and dual player of Gaelic games
* Denis Walsh (Cloughduv hurler) (born 1961), Irish hurler
* Denis Walsh (Tipperary hurler) (1877-1952), Irish hurler
* Denis Walter (born 1955), Australian radio presenter, baritone singer, recording artist, and media personality
* Denis Warner (1917-2012), Australian journalist, war correspondent, and historian
* Denis Watson (born 1955), Zimbabwean professional golfer
* Denis Watson (politician), Northern Irish politician
* Denis Waxin (born 1968), French serial killer- and rapist
* Denis Weaire (born 1942), Irish physicist and emeritus professor
* Denis Weidlich (born 1986), Ghanaian-German professional footballer
* Denis Welch (1945-2014), British racing driver and businessman
* Denis Whitaker (1915-2001), Canadian athlete, soldier, businessman, and author
* Denis Whitburn (born 1944), Australian film writer and producer
* Denis Wick (born 1931), British influential orchestral trombonist
* Denis Wieczorek (born 1991), German figure skater
* Denis Wiehe (born 1940), African Roman Catholic bishop
* Denis Wigan (1893-1958), English cricketer and British Army officer
* Denis William Brogan (1900-1974), Scottish writer and historian
* Denis William Cashmore (1907-1982), English footballer
* Denis Williams (1923-1998), Guyanese painter, author, and archaeologist
* Denis-Will Poha (born 1997), French professional footballer
* Denis Wilson (footballer) (born 1936), English footballer
* Denis Wirtz (born 1965), Belgian-American scientist and educator
* Denis Wojcik, American author
* Denis Wolf (born 1983), German professional footballer
* Denis Wood (born 1945), American artist, author, cartographer, professor, and convicted child molester
* Denis Worrall (1935–2023), South African academic, businessman, politician, and diplomat
* Denis Wosik (born 1996), German-Polish kickboxer
* Denis Wright (1911-2005), British diplomat
* Denis Wright (composer) (1895-1967), English composer and music conductor
* Denis Wucherer (born 1973), German basketball coach and player
* Denis Yachmenev (born 1984), Russian VHL player
* Denis Yakhno (born 1992), Belarusian professional footballer
* Denis Yakuba (born 1996), Russian footballer
* Denis Yakubovich (born 1988), Belarusian professional footballer
* Denis Yanakov (born 1999), Ukrainian professional footballer
* Denis Yaskovich (born 1995), Belarusian professional footballer
* Denis Yevseyev (born 1993), Kazakh tennis player
* Denis Yevsikov (born 1981), Russian football coach and player
* Denis Yip, Hong Kong business executive
* Denis Yuskov (born 1989), Russian speed skater
* Denis Zabolotin (born 1998), Russian handball player
* Denis Zabrodin (born 1984), Russian professional footballer
* Denis Zachaire (1510-1556), French alchemist
* Denis Zakaria (born 1996), Swiss professional footballer
* Denis Zanette (1970-2003), Italian professional racing cyclist
* Denis Zanko (born 1964), French professional football manager and player
* Denis Zanoni (1941-1991), Australian rules footballer
* Denis Žerić (born 1998), Bosnian professional footballer
* Denis Zeunert (1931-2009), Australian rules footballer
* Denis Zhivchikov (born 1976), Kazakhstani water polo player
* Denis Zhukovskiy (born 1980), Russian professional footballer
* Denis Zimba (born 1971), Zambian boxer
* Denis Zivkovic (born 1987), American professional tennis player
* Denis Zmeu (born 1985), Moldovan footballer
* Denis Zubko (born 1974), Russian association football coach and player
* Denis Zubov (born 1981), Russian serial killer
* Denis Zubrytsky (1777-1862), Ukrainian historian
* Denis Zvizdić (born 1964), Bosnia- and Herzegovina politician, Chairman of the Council of Ministers