| Juicy J | American rapper and record pr… | 1975 |
| LL Cool J | American rapper, entrepreneur… | 1968 |
| Anneli Jäätteenmäki | Finnish politician | 1955 |
| Ze'ev Jabotinsky | Jewish leader | 1880–1940 |
| Red Jacket | | |
| L. P. Jacks | British educator, philosopher… | 1860–1955 |
| Andrew Jackson | American general and politici… | 1767–1845 |
| Brenda Jackson | American writer | 1953 |
| Derek Jackson | British physicist | 1906–1982 |
| Helen Hunt Jackson | Novelist, poet, writer, activ… | 1830–1885 |
| Henry M. Jackson | American politician | 1912–1983 |
| Holbrook Jackson | British journalist | 1874–1948 |
| Jaime Jackson | Horse hoof care professional | 1947 |
| Janet Jackson | singer from the United States | 1966 |
| Jesse Jackson | African-American civil rights… | 1941 |
| Joe Jackson | American baseball player | 1887–1951 |
| Jonathan P. Jackson | American kidnapper | 1953–1970 |
| Joshua Jackson | Canadian actor | 1978 |
| Kerry Jackson | | |
| Ketanji Brown Jackson | United States District Judge | 1970 |
| Laura Riding Jackson | poet, critic, novelist, essay… | 1901–1991 |
| Michael Jackson | American singer, songwriter a… | 1958–2009 |
| Michael A. Jackson | British computer scientist | 1936 |
| Mike Jackson | systems scientist | 1951 |
| Peter Jackson | New Zealand film director, pr… | 1961 |
| Phil Jackson | basketball player and coach f… | 1945 |
| Reggie Jackson | American professional basebal… | 1946 |
| Robert H. Jackson | American judge | 1892–1954 |
| Shelley Jackson | a writer and artist known for… | 1963 |
| Shirley Jackson | novelist, short story writer | 1916–1965 |
| Thomas Jackson | Confederate general | 1824–1863 |
| Tim Jackson | British economist, specialist… | 1957 |
| Wes Jackson | American botanist | 1936 |
| François Jacob | French biologist | 1920–2013 |
| Carl Gustav Jacob Jacobi | German mathematician | 1804–1851 |
| Glenn Jacobs | American professional wrestle… | 1967 |
| Harriet Jacobs | American slave, writer, and a… | 1813–1897 |
| Jane Jacobs | American–Canadian journalist,… | 1916–2006 |
| Joseph Jacobs | British historian | 1854–1916 |
| Marc Jacobs | American fashion designer | 1963 |
| Josephine Jacobsen | American-Canadian poet | 1908–2003 |
| Howard Jacobson | British author and journalist | 1942 |
| Ivar Jacobson | Swedish computer scientist | 1939 |
| Neil H. Jacoby | University professor and publ… | 1909–1979 |
| Russell Jacoby | American historian | 1945 |
| Louis Jacolliot | French writer and lawyer | 1837–1890 |
| Albert Jacquard | French biologist | 1925–2013 |
| Brian Jacques | British fiction writer known … | 1939–2011 |
| Sung Jae-gi | South Korean masculism activi… | 1967–2013 |
| Moon Jae-in | President of South Korea | 1953 |
| Harry V. Jaffa | American historian and colleg… | 1918–2015 |
| Nicole Jaffe | Talent agent, actress | 1941 |
| Robert Jaffe | | |
| Franz Jägerstätter | martyr, conscientious objector | 1907–1943 |
| Bianca Jagger | Nicaraguan-born social and hu… | 1945 |
| Mick Jagger | British rock musician, member… | 1943 |
| Thorbjørn Jagland | Norwegian politician | 1950 |
| Jagmohan | | |
| Jaromír Jágr | Czech ice hockey winger | 1972 |
| Nur Jahan | Padshah Begum of the Mughal E… | 1577–1645 |
| Shah Jahan | 5th Mughal Emperor | 1592–1666 |
| Jahangir | 4th Mughal Emperor | 1569–1627 |
| Nedim Jahić | Bosnian singer | 2001 |
| Atifete Jahjaga | politician from Kosovo | 1975 |
| Girilal Jain | Indian journalist | 1924–1993 |
| Meenakshi Jain | Indian historian | |
| Smita Nair Jain | Indian Author, screenwriter a… | 1969 |
| Arun Jaitley | Indian politician | 1952–2019 |
| John Jakes | American historical novelist … | 1932 |
| T.D. Jakes | American bishop | 1957 |
| Immanuel Jakobovits | British rabbi | 1921–1999 |
| Katrín Jakobsdóttir | 28th Prime Minister of Iceland | 1976 |
| Tsugen Jakurei | | 1322–1391 |
| Uzma Jalaluddin | | 1980 |
| Mustafa Abdul Jalil | Libyan politician | 1952 |
| Saman Jalili | Iranian singer and composer | 1990 |
| Dahr Jamail | American journalist | 1968 |
| Alice James | American diarist | 1848–1892 |
| Bill James | American baseball writer and … | 1949 |
| Cheryl James | American rapper and actress | 1966 |
| Clive James | Australian author, critic, br… | 1939–2019 |
| C. L. R. James | Trinidadian writer | 1901–1989 |
| Donald James | | |
| E. L. James | British writer | 1963 |
| Eloisa James | American academic | 1962 |
| Henry James | American novelist, short stor… | 1843–1916 |
| James St. James | American writer | 1966 |
| John Angell James | British abolitionist | 1785–1859 |
| Kevin James | American actor and comedian | 1965 |
| LeBron James | American basketball player | 1984 |
| M. R. James | British writer | 1862–1936 |
| Oliver James | British psychologist | 1953 |
| Paul Moon James | British poet and banker | 1780–1854 |
| P. D. James | English crime writer | 1920–2014 |
| Susan Saint James | American actress and activist | 1946 |
| William James | American philosopher, psychol… | 1842–1910 |
| Fredric Jameson | American academic | 1934 |
| Jenna Jameson | American entrepreneur, webcam… | 1974 |
| Louise Jameson | English actress | 1951 |
| Storm Jameson | British writer | 1891–1986 |
