| Al Alvarez | English poet, novelist, essay… | 1929–2019 |
| Bryan Alvarez | Professional wrestler, editor… | 1975 |
| Joe Alves | Film designer | 1936 |
| Juan Antonio Guerrero Alves | Roman Catholic clergyman | 1959 |
| Khalid ibn al-Walid | companion of the Islamic prop… | 592–642 |
| Ali Al-Wardi | Iraqi sociologist | 1913–1995 |
| Götz Aly | German journalist, historian … | 1947 |
| Mahmoud al-Zahar | Co-founder of Hamas | 1945 |
| Ayman al-Zawahiri | Egyptian physician, Islamic t… | 1951 |
| Maryanne Amacher | Composer and installation art… | 1938–2009 |
| Jorge Amado | Brazilian writer | 1912–2001 |
| John Amaechi | Professional basketball player | 1970 |
| Shiro Amano | Japanese manga artist | 1976 |
| Shlomo Amar | Sephardi Chief Rabbi of Jerus… | 1948 |
| Roy Amara | American researcher, scientist | 1925–2007 |
| Miyuru Amarasiri | Artist | 2002 |
| Nuria Amat | | |
| Daniele Amati | Italian physicist | 1931 |
| Vincenzo Amato | Italian actor and sculptor | 1966 |
| Dhirubhai Ambani | Indian business tycoon | 1932–2002 |
| Mukesh Ambani | Indian business magnate | 1957 |
| Bhimrao Ramji Ambedkar | Father of republic India, cha… | 1891–1956 |
| Amber | Dutch born German singer, son… | 1970 |
| Ashley Ambirge | | |
| Eric Ambler | author | 1909–1998 |
| Scott W. Ambler | Canadian software engineer/co… | 1966 |
| Ambrose | bishop of Milan; one of the f… | 339–397 |
| Stephen E. Ambrose | American historian | 1936–2002 |
| Alessandra Ambrosio | Brazilian model | 1981 |
| Gene Amdahl | American physicist | 1922–2015 |
| Jean Améry | Austrian essayist | 1912–1978 |
| Fisher Ames | American politician | 1758–1808 |
| Frances Ames | South African physician | 1920–2002 |
| Herman Vandenburg Ames | American author and academic | 1865–1935 |
| Jonathan Ames | American novelist, memoirist | 1964 |
| Mark Ames | American writer and journalist | 1965 |
| Yehuda Amichai | Israeli poet | 1924–2000 |
| Henri-Frédéric Amiel | Swiss philosopher and poet | 1821–1881 |
| Hafizullah Amin | politician, former Afghan hea… | 1929–1979 |
| Idi Amin | third president of Uganda | 1925–2003 |
| Samir Amin | Egyptian economist | 1931–2018 |
| Ebrahim Amini | Iranian ayatollah | 1925 |
| Suad Amiry | author and architect | 1951 |
| Kingsley Amis | English novelist, poet, criti… | 1922–1995 |
| Martin Amis | Welsh novelist | 1949 |
| A.R. Ammons | American poet | 1926–2001 |
| Gabriele Amorth | Italian Roman Catholic priest… | 1925–2016 |
| Cleveland Amory | American writer | 1917–1998 |
| James F. Amos | 35th Commandant of the Marine… | 1946 |
| Tori Amos | American singer | 1963 |
| Wally Amos | American author | 1936 |
| André-Marie Ampère | French physicist and mathemat… | 1775–1836 |
| Suhayl ibn Amr | soldier | |
| Mata Amritanandamayi | Hindu spiritual leader and gu… | 1953 |
| Simon Amstell | English comedian, television … | 1979 |
| Baba Amte | Indian freedom fighter, socia… | 1914–2008 |
| Roald Amundsen | Norwegian polar researcher, w… | 1872–1928 |
| Anacharsis | Scythian philosopher | |
| Anacreon | Greek lyric poet, notable for… | -570–-485 BC |
| Mulk Raj Anand | Indian writer | 1905–2004 |
| Viswanathan Anand | Indian chess player | 1969 |
| Anastacia | American singer-songwriter | 1968 |
| Anaxagoras | ancient Greek philosopher | -500–-428 BC |
| Anaximander | pre-Socratic Greek philosopher | -610–-547 BC |
| Rudolfo Anaya | Novelist, poet | 1937 |
| Hans Christian Andersen | Danish author, fairy tale wri… | 1805–1875 |
| Julie Andersen | | |
| Larry Andersen | American baseball player | 1953 |
| Susan Andersen | American writer | 1950 |
| Benedict Anderson | American political scientist | 1936–2015 |
| Beth Anderson | American neo-romantic composer | 1950 |
| Carl David Anderson | American scientist | 1905–1991 |
| Chris Anderson | American author and entrepren… | 1961 |
| Elizabeth S. Anderson | professor of philosophy and w… | 1959 |
| Gillian Anderson | American-British film, televi… | 1968 |
| Greg Anderson | | |
| Ian Anderson | Scottish musician, leader of … | 1947 |
| Jodi Lynn Anderson | American children's writer | |
| John B. Anderson | American politician | 1922–2017 |
| Jon Anderson | English singer | 1944 |
| Jordan Anderson | Freed slave | 1825–1907 |
| Kevin J. Anderson | American science fiction auth… | 1962 |
| Laurie Anderson | American musician | 1947 |
| Laurie Halse Anderson | American children's writer | 1961 |
| Loni Anderson | actress | 1945 |
| Margaret Caroline Anderson | American magazine editor | 1886–1973 |
| M.T. Anderson | | |
| Pamela Anderson | Canadian-American model, prod… | 1967 |
| Paul Lewis Anderson | American photographer and wri… | 1880–1956 |
| Perry Anderson | British historian | 1938 |
| Philip Warren Anderson | American physicist | 1923 |
| Poul Anderson | American science fiction and … | 1926–2001 |
| Robert Anderson | American playwright, screenwr… | 1917–2009 |
| Sherwood Anderson | writer | 1876–1941 |
| Theodore Wilbur Anderson | American statistician | 1918–2016 |
| Wes Anderson | American filmmaker | 1969 |
| Benny Andersson | Swedish musician | 1946 |
| Natsumi Ando | Manga artist | 1970 |
| Carlos Drummond de Andrade | Brazilian poet | 1902–1987 |
| Edward Andrade | English physicist | 1887–1971 |
