| Eqbal Ahmad | writer, journalist, anti-war … | 1933–1999 |
| Mirza Basheer-ud-Din Mahmood Ahmad | Caliph of the Messiah | 1889–1965 |
| Mirza Ghulam Ahmad | religious figure | 1835–1908 |
| Mirza Masroor Ahmad | spiritual leader of the Ahmad… | 1950 |
| Mirza Tahir Ahmad | caliph of the Ahmadiyya | 1928–2003 |
| Nabeel Ahmad | | |
| Nizamuddin Ahmad | historian | 1551–1594 |
| Umair Ahmad | Entrepreneur, Writer, Researc… | 1997 |
| Umair Ahmad | Businessman | 1997 |
| Yasmin Ahmad | Malaysian film director | 1958–2009 |
| Mahmoud Ahmadinejad | 6th President of the Islamic … | 1956 |
| Abiy Ahmed | Ethiopian Prime Minister and … | 1976 |
| Fakhruddin Ali Ahmed | the fifth President of India … | 1905–1977 |
| Israr Ahmed | | |
| Sara Ahmed | Australian and British academ… | 1969 |
| Juhani Aho | Finnish author and journalist | 1861–1921 |
| Martti Ahtisaari | Finnish politician and former… | 1937 |
| Qutb al-Din Aibak | Turkic peoples king of Northw… | 1150–1210 |
| Robert Aickman | British fantasy and horror wr… | 1914–1981 |
| Pamela Aidan | American writer | 1953 |
| Charles Hamilton Aide | French writer | 1826–1906 |
| Ama Ata Aidoo | Novelist, poet | 1942 |
| Clay Aiken | singer-songwriter, actor, rec… | 1978 |
| Conrad Aiken | American novelist and poet | 1889–1973 |
| George Aiken | American politician | 1892–1984 |
| Howard H. Aiken | pioneer in computing, origina… | 1900–1973 |
| Joan Aiken | English fiction writer | 1924–2004 |
| Jhené Aiko | American singer-songwriter an… | 1988 |
| Roger Ailes | Television executive | 1940–2017 |
| Joseph Aind | Indian priest | 1945 |
| Alfred Ainger | | |
| Lionel Aingimea | Nauruan politician, president… | 1965 |
| Catherine Aird | Novelist | 1930 |
| George Biddell Airy | English mathematician and ast… | 1801–1892 |
| Aisha | Muhammad's wife | 605–678 |
| Jonathan Aitken | Conservative Member of Parlia… | 1942 |
| Omraam Mikhaël Aïvanhov | Bulgarian philosopher | 1900–1986 |
| Mani Shankar Aiyar | Indian politician | 1941 |
| Bisola Aiyeola | Nigerian Actress | 1986 |
| Felix Femi Ajakaye | Nigerian catholic priest | 1962 |
| Kazimierz Ajdukiewicz | Philosopher, logician | 1890–1963 |
| Tosin Ajibade | Nigerian writer and blogger | 1987 |
| Massin Akandouch | Amazigh activist | 2001 |
| Akbar | 3rd Mughal Emperor | 1542–1605 |
| M.J. Akbar | journalist, author | 1951 |
| Mahdi Akef | Egyptian Islamist | 1928–2017 |
| Mark Akenside | English poet and physician | 1721–1770 |
| Tim Aker | British politician | 1985 |
| George Akerlof | American economist and Koshla… | 1940 |
| Mehdi Akhavan-Sales | Iranian poet | 1928–1990 |
| Akhenaten | 18th dynasty pharaoh | |
| Anna Akhmatova | Russian modernist poet | 1889–1966 |
| Sergei Akhromeyev | Soviet marshal | 1923–1991 |
| Begum Akhtar | Indian musician | 1914–1974 |
| Zoya Akhtar | Indian film director | 1974 |
| Hibatullah Akhundzada | leader of Afghanistan and Tal… | 1961 |
| Akihito | Emperor of Japan | 1933 |
| Todd Akin | American politician | 1947 |
| Peter Akinola | Anglican Primate of the Churc… | 1944 |
| Samantha Akkineni | Indian actress | 1987 |
| Akon | singer | 1973 |
| Uwem Akpan | Nigerian Jesuit priest and wr… | 1971 |
| Ezinne Akudo | Nigerian lawyer and pageant t… | 1990 |
| Nana Akufo-Addo | President of Ghana | 1944 |
| Dora Akunyili | Pharmacist and Government Off… | 1954–2014 |
| Ryūnosuke Akutagawa | Japanese writer | 1892–1927 |
| Tope Alabi | Nigerian Gospel artist | 1970 |
| Ali Zayn al-Abidin | Great-grandson of the Prophet… | 659–713 |
| Alain | French philosopher | 1868–1951 |
| Alain-Fournier | French writer | 1886–1914 |
| Rabih Alameddine | Lebanese-American painter and… | 1959 |
| Bernard Montgomery, 1st Viscount Montgomery of Alamein | British Army officer, Command… | 1887–1976 |
| Abd Al-Hamid Al-Ansari | | |
| Thuraya AlArrayed | Saudi poet and writer | 1948 |
| Leopoldo Alas | novelist | 1852–1901 |
| Hasan al-Askari | Eleventh of the Twelve Imams | 846–874 |
| Ibn Hajar al-Asqalani | Egyptian scholar | 1372–1449 |
| Bashar al-Assad | President of Syria | 1965 |
| Hafez al-Assad | former president of Syria | 1930–2000 |
| Jessica Alba | American model, free-diver an… | 1981 |
| Abu Bakr al-Baghdadi | leader of the Islamic State o… | 1971–2019 |
| Al-Baladhuri | historian | 806–892 |
| Shaqiq al-Balkhi | Sufi saint | |
| Anthony Albanese | 31st Prime Minister of Austra… | 1963 |
| Muhammad al-Baqir | fifth of the Twelve Shia Imams | 677–733 |
| Omar al-Bashir | Sudanese president | 1944 |
| Hasan al-Basri | Iranian Sufi Saint | 642–728 |
| Edward Albee | American playwright | 1928–2016 |
| George Monck, 1st Duke of Albemarle | English soldier and politician | 1608–1670 |
| Josef Albers | German-American artist and ed… | 1888–1976 |
| Susan Wittig Albert | writer | 1940 |
| Scipione Alberti | | |
| Al-Biruni | Persian scholar and polymath | 973–1048 |
| Mitch Albom | American author | 1958 |
| Luiz Carlos Alborghetti | Italian-Brazilian radio comme… | 1945–2009 |
| Madeleine K. Albright | Former U.S. Secretary of State | 1937–2022 |
| William F. Albright | Orientalist, biblical scholar… | 1891–1971 |
| Armen Alchian | American economist | 1914–2013 |
| Randy Alcorn | American Protestant author | 1954 |
| Amos Bronson Alcott | American teacher and writer | 1799–1888 |
