| Charles Follen Adams | American poet | 1842–1918 |
| Charles Francis Adams | American historical editor, p… | 1807–1886 |
| Douglas Adams | English writer and humorist | 1952–2001 |
| Franklin Pierce Adams | United States humor writer | 1881–1960 |
| Henry Adams | journalist, historian, academ… | 1838–1918 |
| James Truslow Adams | American writer and historian | 1878–1949 |
| Joey Adams | American comedian, newspaper … | 1911–1999 |
| John Adams | 2nd President of the United S… | 1735–1826 |
| John Bodkin Adams | general practitionar, fraudst… | 1899–1983 |
| John Quincy Adams | American politician, 6th pres… | 1767–1848 |
| Julie Adams | American actress | 1926–2019 |
| Nehemiah Adams | Massachusetts clergyman | 1806–1878 |
| Patch Adams | Physician, activist, diplomat… | 1945 |
| Richard Adams | English novelist best known a… | 1920–2016 |
| Ryan Adams | American alt-country/rock sin… | 1974 |
| Samuel Adams | American statesman, Massachus… | 1722–1803 |
| Sarah Fuller Flower Adams | English poet, hymnwriter | 1805–1848 |
| Scott Adams | cartoonist, writer | 1957 |
| William Adams | Fellow and Master of Pembroke… | 1706–1789 |
| George Adamski | American ufologist | 1891–1965 |
| Swami Adbhutananda | Disciple | |
| George Addair | | |
| Charles Addams | Cartoonist | 1912–1988 |
| Jane Addams | pioneer settlement social wor… | 1860–1935 |
| Cannonball Adderley | American jazz alto saxophonist | 1928–1975 |
| Joseph Addison | politician, writer and playwr… | 1672–1719 |
| Percy Addleshaw | English journalist | 1866–1916 |
| Kim Addonizio | Poet, novelist | 1954 |
| George Ade | American writer, newspaper co… | 1866–1944 |
| Konrad Adenauer | German statesman, Federal Cha… | 1876–1967 |
| Olusegun Adeniyi | Nigerian journalist | 1965 |
| Kemi Adeosun | Nigerian accountant, investme… | 1967 |
| Ire Aderinokun | Nigerian front end developer | 1991 |
| Tomi Adeyemi | American author | 1993 |
| Ibrahim ibn Adham | ascetic Sufi saint | 718–776 |
| Tedros Adhanom | Director-General of the World… | 1965 |
| Chimamanda Ngozi Adichie | Nigerian writer | 1977 |
| Aravind Adiga | Indian journalist and author | 1974 |
| Yogi Adityanath | Indian politician | 1972 |
| Isabelle Adjani | French actress | 1955 |
| Alfred Adler | Medical Doctor, Psychologist,… | 1870–1937 |
| Bill Adler | American journalist | 1951 |
| Chris Adler | American drummer | 1972 |
| Felix Adler | German American professor of … | 1851–1933 |
| Freda Adler | Criminologist, educator | 1934 |
| Hermann Adler | Chief Rabbi of the British Em… | 1839–1911 |
| Margot Adler | author, Neopagan, and Nationa… | 1946–2014 |
| Mortimer J. Adler | American philosopher and educ… | 1902–2001 |
| Renata Adler | American author, journalist a… | 1938 |
| Stella Adler | American actress and teaching… | 1901–1992 |
| Theodor W. Adorno | German sociologist, philosoph… | 1903–1969 |
| Isabelle Adriani | Italian actress, journalist, … | 1972 |
| Sade Adu | English singer-songwriter | 1959 |
| Bhumibol Adulyadej | King of Thailand | 1927–2016 |
| Adunis | Essayist, poet | 1930 |
| L. K. Advani | politician | 1927 |
| Fiona Hill (presidential advisor) | American policy adviser | 1965 |
| Adyashanti | Spiritual teacher | 1962 |
| Diederik Aerts | Belgian theoretical physicist | 1953 |
| Aeschines | Attic orator; statesman | -389–-314 BC |
| Aeschylus | ancient Athenian playwright | -525–-456 BC |
| Aesop | ancient Greek storyteller | -620–-564 BC |
| Yochanan Afek | Israeli chess player, compose… | 1952 |
| Ben Affleck | American film actor, director… | 1972 |
| Casey Affleck | American actor | 1975 |
| Jamal-al-Din Afghani | Political activist and Islami… | 1837–1897 |
| Michel Aflaq | Syrian philosopher, sociologi… | 1910–1989 |
| Scipio Africanus | Roman general in the Second P… | -235–-183 BC |
| Isaias Afwerki | President of Eritrea | 1946 |
| Giorgio Agamben | Italian philosopher | 1942 |
| John Agar | American actor | 1921–2002 |
| Alex Agase | American football player and … | 1922–2007 |
| Andre Agassi | US tennis player | 1970 |
| Louis Agassiz | Swiss naturalist | 1807–1873 |
| James Agate | British diarist and critic | 1877–1947 |
| Agathon | Athenian tragic poet | -448–-401 BC |
| Ivan Agayants | KGB officer | 1911–1968 |
| James Agee | American author, journalist, … | 1909–1955 |
| Riyad Naasan Agha | former minister of culture of… | 1947 |
| Gholam-Reza Aghazadeh | politician | 1949 |
| Gianni Agnelli | Italian businessman | 1921–2003 |
| Flavia Agnes | Indian activist and lawyer | 1947 |
| Jonathan Agnew | cricketer | 1960 |
| Spiro Agnew | 39th Vice President of the Un… | 1918–1996 |
| Vivek Agnihotri | director | 1973 |
| Vittorio Agnoletto | European Parliament member | 1958 |
| Shmuel Yosef Agnon | Israeli Hebrew writer, Nobel … | 1888–1970 |
| Akshay Agrawal | Serial Social Entrepreneur | 1998 |
| Peter Agre | American chemist, recipient o… | 1949 |
| Robert Agresta | | 1983 |
| Cornelius Agrippa | Magician, occult writer, theo… | 1486–1535 |
| Dries van Agt | Dutch politician | 1931 |
| Grace Aguilar | Novelist, writer | 1816–1847 |
| Christina Aguilera | American singer | 1980 |
| Esperanza Aguirre | Spanish politician | 1952 |
| Lucy Aharish | Arab-Israeli journalist | 1981 |
| Eden ahbez | American songwriter and recor… | 1908–1995 |
| Bertie Ahern | Irish politician, 10th Taoise… | 1951 |
| Cecelia Ahern | Irish novelist | 1981 |
| Frederick Ahl | Professor of classics and com… | 1941 |
