| Chögyam Trungpa | Tibetan Buddhist lama and wri… | 1939–1987 |
| Lucian Truscott | Recipient of the Purple Heart… | 1895–1965 |
| Liz Truss | British Conservative Party po… | 1975 |
| Lynne Truss | British writer | 1955 |
| Danielle Trussoni | Memoirist, novelist | 1973 |
| Sojourner Truth | African-American abolitionist… | 1797–1883 |
| Thomas Tryon | British hat maker | 1634–1703 |
| Jolin Tsai | Taiwanese singer, songwriter,… | 1980 |
| Euclid Tsakalotos | Greek economist and politician | 1960 |
| Donald Tsang | Hong Kong politician | 1944 |
| Chip Tsao | columnist, broadcaster, and w… | 1958 |
| Tamerlan Tsarnaev | Chechen-American perpetrator … | 1986–2013 |
| Jan Tschichold | German graphic designer | 1902–1974 |
| Leah Tsemel | Israeli lawyer | 1945 |
| Su Tseng-chang | Taiwanese politician | 1947 |
| Gancho Tsenov | Bulgarian historian | 1870–1949 |
| Manto Tshabalala-Msimang | South African politician | 1940–2009 |
| Sviatlana Tsikhanouskaya | Belarusian politician and edu… | 1982 |
| Christos Tsiolkas | Australian writer | 1965 |
| Konstantin Tsiolkovsky | Russian and Soviet rocket sci… | 1857–1935 |
| Alexis Tsipras | Greek politician | 1974 |
| Rati Tsiteladze | Georgian Filmmaker | 1987 |
| Viktor Tsoi | Soviet rock musician (1962-19… | 1962–1990 |
| Paul Tsongas | American politician | 1941–1997 |
| Je Tsongkhapa | Tibetan Lama | 1357–1419 |
| Masami Tsuda | Japanese manga artist | 1970 |
| Konami Tsukamoto | Japanese tree doctor | 1949 |
| Gail Tsukiyama | American writer | 1957 |
| Hsiao Tsung-huang | Taiwanese politician | |
| Noa Tsurushima | Japanese actress | 2001 |
| Morgan Tsvangirai | former Prime Minister of Zimb… | 1952–2018 |
| Marina Tsvetaeva | Russian poet and writer | 1892–1941 |
| Thich Nhat Tu | Vietnamese philosopher | 1969 |
| Yi-Fu Tuan | Chinese-American geographer | 1930 |
| Harriet Tubman | African-American abolitionist… | 1820–1913 |
| Liz Tuccillo | American writer and film dire… | 1964 |
| Barbara W. Tuchman | American historian and author | 1912–1989 |
| Kurt Tucholský | German-Jewish journalist, sat… | 1890–1935 |
| Eve Tuck | Indigenous studies scholar | |
| Lily Tuck | American writer | 1938 |
| Benjamin Ricketson Tucker | American journalist and anarc… | 1854–1939 |
| Chris Tucker | American comedian | 1971 |
| Gideon Tucker | | |
| Jeffrey Tucker | American writer | 1963 |
| St. George Tucker | Bermudan lawyer and judge | 1752–1827 |
| Frederick Goddard Tuckerman | American poet | 1821–1873 |
| Dimitrije Tucović | Serbian politician | 1881–1914 |
| Franjo Tuđman | Croatian politician, soldier … | 1922–1999 |
| Tasha Tudor | American illustrator and writ… | 1915–2008 |
| Sebastian Tudu | Roman catholic Bishop | 1967 |
| Gebran Tueni | journalist | 1957–2005 |
| Edward R. Tufte | American statistician (b.1942… | 1942 |
| Tom Tugendhat | British politician | 1973 |
| Firuz Shah Tughlaq | Tughluq sultan | 1309–1388 |
| Muhammad bin Tughluq | Turkic Sultan of Delhi | 1290–1351 |
| Manasa Tugia | Fijian politician | |
| Esala Tuibua | | |
| John Tukey | American mathematician | 1915–2000 |
| Mikhail Tukhachevsky | Marshal of the Soviet Union | 1893–1937 |
| Gordon Tullock | American economist | 1922–2014 |
| Mark Tully | British journalist | 1935 |
| Tulsidas | Hindu poet-saint | 1532–1623 |
| Spencer Tunick | American photographer | 1967 |
| Gene Tunney | American boxer | 1897–1978 |
| Justine Tunney | Software developer from the U… | |
| KT Tunstall | Scottish singer-songwriter an… | 1975 |
| Martin Farquhar Tupper | English writer and poet | 1810–1889 |
| Ibrahim Tuqan | | |
| Jillian Turecki | | |
| Ivan Turgenev | Russian writer | 1818–1883 |
| Anne Robert Jacques Turgot | French economist | 1727–1781 |
| Alan Turing | British mathematician, logici… | 1912–1954 |
| Roy Turk | American songwriter | 1892–1934 |
| Nycole Turmel | Canadian politician | 1942 |
| Dale Turner | | |
| D.M. Turner | American drug researcher | 1962–1996 |
| J.M.W. Turner | British Romantic landscape pa… | 1775–1851 |
| John Turner | 17th Prime Minister of Canada | 1929 |
| Kathleen Turner | American actress | 1954 |
| Lana Turner | American actress | 1921–1995 |
| Megan Whalen Turner | American children's writer | 1965 |
| Nat Turner | American slave rebellion lead… | 1800–1831 |
| Nina Turner | American politician | 1967 |
| Stansfield Turner | former United States Navy adm… | 1923–2018 |
| Steve Turner | British writer | 1949 |
| Ted Turner | American media mogul and phil… | 1938 |
| Tina Turner | singer, dancer, actress, and … | 1939 |
| Scott Turow | American writer | 1949 |
| Nick Turse | American writer | 1975 |
| Little Turtle | Chief of the Miami people (c.… | 1752–1812 |
| Harry Turtledove | American novelist, short stor… | 1949 |
| Donald Tusk | Polish politician, current Pr… | 1957 |
| Thomas Tusser | English poet | 1524–1580 |
| Arnold Tustin | British engineer | 1899–1994 |
| Will Tuttle | American writer, speaker and … | 1953 |
| Desmond Tutu | South African churchman, poli… | 1931 |
| Amos Tversky | Israeli psychologist | 1937–1996 |
| Mark Twain | American author and humorist | 1835–1910 |
| Shania Twain | Canadian country pop singer-s… | 1965 |
| William M. Tweed | United States politician | 1823–1878 |
