| Jami | Persian poet | 1414–1492 |
| Sheikh Ahmad-e Jami | Persian sufi and poet | 1048–1141 |
| Judith Jamison | American dancer | 1943 |
| Kay Redfield Jamison | American bipolar disorder res… | 1946 |
| Gerald G. Jampolsky | American writer and psychiatr… | 1925 |
| Leoš Janáček | Czech composer | 1854–1928 |
| Gary W. Janak | American Catholic auxiliary b… | 1962 |
| Jean-Marc Jancovici | French engineer and energy cl… | 1962 |
| Kim Janey | American politician | 1965 |
| Choi Jang-jip | South Korean political scient… | 1943 |
| Ahmad Jannati | Iranian ayatollah | 1927 |
| Janosch | German author | 1931 |
| Jan Jansen | | |
| Theo Jansen | artist | 1948 |
| Tove Jansson | Finnish children's writer and… | 1914–2001 |
| Arthur Japin | Dutch author | 1956 |
| Víctor Jara | Pro teacher, theatre director… | 1932–1973 |
| Quintin Jardine | Scottish writer | 1945 |
| Derek Jarman | British film director and art… | 1942–1994 |
| Ziad Jarrah | September 11th hijacker | 1975–2001 |
| Jean-Michel Jarre | French composer, performer an… | 1948 |
| Maurice Jarre | French composer | 1924–2009 |
| Randall Jarrell | poet, critic, novelist, essay… | 1914–1965 |
| Valerie Jarrett | Chicago lawyer, businesswoman… | 1956 |
| Alfred Jarry | French writer | 1873–1907 |
| Wojciech Jaruzelski | Polish military officer and p… | 1923–2014 |
| Robert Jarvik | Jarvik created the Jarvik-7 a… | 1946 |
| Claude Scudamore Jarvis | British journalist | 1879–1953 |
| Eugene Jarvis | American game designer and ga… | 1955 |
| Karl Jaspers | German psychiatrist and philo… | 1883–1969 |
| Robert Jastrow | American astronomer | 1925–2008 |
| Basappa Danappa Jatti | Indian politician | 1912–2002 |
| Mohammad Ali Jauhar | Indian Muslim leader, activis… | 1878–1931 |
| Lauren Jauregui | Cuban-American singer and son… | 1996 |
| Prakash Javadekar | Indian politician | 1951 |
| Abdollah Javadi-Amoli | Iranian politician | 1933 |
| Taraneh Javanbakht | Iranian scientist, faculty, p… | 1974 |
| Sajid Javid | British politician | 1969 |
| Alexej von Jawlensky | Russian painter | 1864–1941 |
| Antony Jay | British screenwriter | 1930–2016 |
| Bailey Jay | American pornographic actress | 1988 |
| John Jay | American politician and a fou… | 1745–1829 |
| Jayalalithaa | Indian politician and actress | 1948–2016 |
| Jayapala | Ruler of the Kabal Shabi | 964–1001 |
| Mahela Jayawardene | Former Sri Lankan cricketer | 1977 |
| Erika Jayne | American singer, actress and … | 1969 |
| Edwin Thompson Jaynes | American physicist | 1922–1998 |
| Julian Jaynes | American psychologist | 1920–1997 |
| Jay-Z | American rapper, businessman,… | 1969 |
| Désinord Jean | | 1967 |
| James Jeans | British mathematician and ast… | 1877–1946 |
| Joanna Jędrzejczyk | Polish mixed martial artist | 1987 |
| Sooronbay Jeenbekov | President of Kyrgyzstan | 1958 |
| Oliver Jeffers | British writer and illustrator | 1977 |
| Robinson Jeffers | American poet | 1887–1962 |
| Thomas Jefferson | 3rd President of the United S… | 1743–1826 |
| Charles Jefferys | British music publisher | 1807–1865 |
| Robert Jeffress | Pastor of First Baptist Churc… | 1955 |
| Francis Jeffrey, Lord Jeffrey | British politician | 1773–1850 |
| James Franklin Jeffrey | American diplomat | 1946 |
| Lionel Jeffries | English actor, screenwriter a… | 1926–2010 |
| Sabrina Jeffries | American writer | 1960 |
| Jehst | British rapper | 1979 |
| Gertrude Jekyll | garden designer, artist | 1843–1932 |
| Elfriede Jelinek | Austrian writer | 1946 |
| Fred Jelinek | Czech linguist | 1932–2010 |
| N. K. Jemisin | American writer | 1972 |
| Mae Jemison | American doctor and NASA astr… | 1956 |
| Richard Jeni | American comedian | 1957–2007 |
| Bernard Jenkin | British politician | 1959 |
| Tim Jenkin | Prison escapee and author | 1948 |
| Beverly Jenkins | American author of historical… | 1951 |
| Florence Foster Jenkins | American soprano, renowned fo… | 1868–1944 |
| Henry Jenkins | American media scholar | 1958 |
| Jerry B. Jenkins | novelist, biographer | 1949 |
| Roy Jenkins | British politician, historian… | 1920–2003 |
| Edward Jenks | British legal scholar | 1861–1939 |
| Bruce Jenner | American reality television p… | 1949 |
| Edward Jenner | English physician, scientist … | 1749–1823 |
| Henry Jenner | British Celticist | 1848–1934 |
| Bryant Jennings | boxer | 1984 |
| Elizabeth Jennings | poet | 1926–2001 |
| Gary Jennings | Novelist | 1928–1999 |
| Peter Jennings | News anchor | 1938–2005 |
| Waylon Jennings | American country music singer… | 1937–2002 |
| Arthur Jensen | professor of educational psyc… | 1923–2012 |
| Carsten Jensen | Danish author and political c… | 1952 |
| Derrick Jensen | American environmentalist | 1960 |
| Hayley Jensen | Australian singer | 1983 |
| Michael Jensen | American economist | 1939 |
| Vicky Jenson | American animator | 1960 |
| Soame Jenyns | British writer | 1704–1787 |
| Sarah Jeong | Korean-American technology jo… | 1988 |
| Digby Jephson | English cricketer | 1871–1926 |
| David Jeremiah | | |
| Ron Jeremy | Prolific American pornographi… | 1953 |
| Chris Jericho | American professional wrestle… | 1970 |
| Jerome | Catholic saint and Doctor of … | 345–420 |
| Jerome K. Jerome | English humorist | 1859–1927 |
| Douglas William Jerrold | English dramatist and writer | 1803–1857 |
