| Democritus | Ancient Greek philosopher, pu… | |
| Nancy Leigh DeMoss | American radio host | 1958 |
| Démosthenés | ancient greek statesman and o… | -384–-322 BC |
| Jack Dempsey | American boxer | 1895–1983 |
| Martin Dempsey | Chairman of the Joint Chiefs … | 1952 |
| Harold Demsetz | American economist | 1930–2019 |
| Charles Demuth | American painter | 1883–1935 |
| Matteo Messina Denaro | Italian mob boss | 1962 |
| Judi Dench | English film, stage and telev… | 1934 |
| William Joseph Dendinger | Catholic bishop | 1939 |
| Catherine Deneuve | French actress | 1943 |
| Marco Denevi | Argentine journalist, writer | 1922–1998 |
| John Denham | English poet and courtier | 1615–1669 |
| Maurice Denis | French painter | 1870–1943 |
| Thomas Denison | British judge (1699–1765) | 1699–1765 |
| Thomas Denman, 1st Baron Denman | British politician | 1779–1854 |
| Margrethe II of Denmark | Queen of Denmark | 1940 |
| Mary, Crown Princess of Denmark | Crown Princess of Denmark | 1972 |
| Princess Marie of Denmark | Danish princess | 1976 |
| Daniel Dennett | American philosopher | 1942 |
| Alfred Denning, Baron Denning | British judge | 1899–1999 |
| Robert Denning | American interior designer | 1927–2005 |
| Troy Denning | American writer | 1958 |
| Karl Denninger | American businessman | |
| John Dennis | British dramatist | 1658–1734 |
| Patrick Dennis | Novelist | 1921–1976 |
| Bradley Denton | American science fiction auth… | 1958 |
| Federico Hernández Denton | American judge | 1944 |
| Jeremiah Denton | American Vietnam War POW and … | 1924–2014 |
| Michael Denton | British-Australian author and… | 1943 |
| John Denver | American singer, songwriter, … | 1943–1997 |
| Wu Den-yih | Taiwanese politician | 1948 |
| Norman K. Denzin | American sociologist | 1941 |
| Esha Deol | Indian actress | 1981 |
| Tomie dePaola | American children's illustrat… | 1934 |
| Gérard Depardieu | French actor | 1948 |
| Paul deParrie | American activist | 1949–2006 |
| Fortunato Depero | Italian painter, writer, scul… | 1892–1960 |
| Chauncey Depew | American politician | 1834–1928 |
| Johnny Depp | American actor, film producer… | 1963 |
| Max DePree | American businessman and writ… | 1924–2017 |
| André Derain | French painter and engraver | 1880–1954 |
| John Derbyshire | writer | 1945 |
| William Deresiewicz | American literary critic | 1964 |
| Johan Derksen | football player | 1949 |
| Laura Dern | American actress, director, p… | 1967 |
| Chris DeRose | American actor and activist | 1948 |
| Scott Derrickson | American screenwriter and fil… | 1966 |
| Jacques Derrida | French philosopher (1930-2004) | 1930–2004 |
| Alan M. Dershowitz | American lawyer, author | 1938 |
| Gavrila Derzhavin | Russian poet | 1743–1816 |
| John Theophilus Desaguliers | French-born British natural p… | 1683–1744 |
| Anita Desai | Indian novelist | 1937 |
| Kiran Desai | Indian author | 1971 |
| Morarji Desai | Former Indian Finance Ministe… | 1896–1995 |
| Marcel Desailly | French footballer | 1968 |
| Christian Desaix | | |
| Gerardine DeSanctis | American organizational theor… | 1954–2005 |
| Ron DeSantis | Florida politician | 1978 |
| Girard Desargues | French mathematician and engi… | 1591–1661 |
| Marceline Desbordes-Valmore | French poet | 1786–1859 |
| René Descartes | French philosopher, mathemati… | 1596–1650 |
| Eustache Deschamps | French poet | 1346–1406 |
| Emily Deschanel | American actress, television … | 1976 |
| Zooey Deschanel | American actress, musician, a… | 1980 |
| Karlheinz Deschner | German writer and activist | 1924–2014 |
| Jackie DeShannon | American singer-songwriter | 1941 |
| Taisen Deshimaru | Japanese Buddhist monk | 1914–1982 |
| Antoinette du Ligier de la Garde Deshoulières | French writer | 1638–1694 |
| P. L. Deshpande | Marathi writer, humourist, ac… | 1919–2000 |
| Rick Dyer (video game designer) | American video game designer … | |
| Arthur Desmond | New Zealnd writer | 1859–1929 |
| Paul Desmond | American jazz musician | 1924–1977 |
| Bernard d'Espagnat | French physicist and philosop… | 1921–2015 |
| Loraine Despres | Novelist/screen writer | 1938 |
| Sarah Dessen | American writer | 1970 |
| Valéry Giscard d'Estaing | President of France | 1926–2020 |
| Philippe Néricault Destouches | French playwright | 1680–1754 |
| Paul Deussen | German Orientalist and Sanskr… | 1845–1919 |
| Zoey Deutch | American actress | 1994 |
| David Deutsch | British physicist | 1953 |
| Isaac Deutscher | British historian | 1907–1967 |
| Guru Angad Dev | The second Guru of Sikhism | 1504–1552 |
| Kapil Dev | Indian cricketer | 1959 |
| Jacques Deval | French film director and writ… | 1890–1972 |
| Jules Devaux | (1828-1886) | 1828–1886 |
| Michael Simms (software developer) | Video game programmer | 1973 |
| Joe Dever | British writer and game desig… | 1956–2016 |
| Jude Deveraux | American writer | 1947 |
| Sarada Devi | Hindu religious figure, spiri… | 1853–1920 |
| Savitri Devi | Greek–French writer | 1905–1982 |
| Kevin Devine | Songwriter and musician | 1979 |
| Kevin Devine | | |
| Torrey DeVitto | actress, model, violinist | 1984 |
| Laxmi Prasad Devkota | Nepali poet | 1909–1959 |
| Betsy DeVos | 11th United States Secretary … | 1958 |
| Richard M. DeVos | American businessman | 1926–2018 |
| Isla Dewar | Scottish novelist who died in… | 1946–2021 |
| Thomas Dewar, 1st Baron Dewar | Scottish Distiller and Conser… | 1864–1930 |
| John Dewey | American philosopher, psychol… | 1859–1952 |
