- Adroher, Antònia, 1913-20071
- Advanced Workers with the Anti-Imperialist Singers (Musical group)1
- Adwoa, Kai1
- Aeck, Tony1
- Afetinan, A1
- African Axemen (Musical group)1
- African Free School (Newark, N.J.)1
- African Liberation Forces of Mauritania4
- African Liberation Support Committee6
- African Liberation Support Committee. Conference (1974 : Washington, D.C.)3
- Afrikian, Vahan1
- Agent Orange (Musical group)2
- Aghcheian, Hairabed1
- Agle, David1
- Agnew, Spiro T., 1918-19962
- Agostini, Gloria5
- Agrest, Diana2
- Agudelo, Mónica, 1956-20121
- Aguilé, Luis1
- Agüeros, Jack, 1934-20149
- Ahmed, Muhammad, 1941-1
- Ahrens, Peg1
- Ahrland, Karin, 1931-20192
- Ahtisaari, Martii1
- Aiello, Salvatore, 1946-19951
- Aiken, Conrad, 1889-19733
- Aiken, George D. (George David), 1892-19841
- Ailes, Roger1
- Aitay, Victor1
- Aitken, Donald W.1
- Aitken, Doug, 1968-1
- Aitken, Gillon R.1
- Aitken, Hugh2
- Aitken, Thomas D1
- Ajemian, Alice1
- Ajemian, Anahid7
- Ajemian, Hagop1
- Ajemian, Maro2
- Akers, Adela, 1933-1
- Akers, Gene1
- Akili, Baba1
- Al-Amin, Jamil, 1943-1
- Alabilikian, Avedis1
- Albarelli, Gerry6
- Albee, Edward, 1928-20161
- Albers, Anni1
- Alberse, Jim1
- Albert, Arthur, 1946-1
- Albert, Eddie2
- Albert, Jan2
- Albert, Stewart Edward, 1939-20064
- Alberts, Eunice1
- Albertson, Chris2
- Albertson, Dean, 1920-7
- Albertson, Dean, 1920-198985
- Albertson, Ralph, 1866-19511
- Albin (Musical group)1
- Albrieu, Oscar E., 1915-19921
- Albright, Horace M. (Horace Marden), 1890-19872
- Albright-Knox Art Gallery1