- Agostini, Gloria5
- Agrest, Diana1
- 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, 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
- Alcaide, José A.1
- Alcalde, Hector (Lobbyist)1
- Alcantara, Zeph1
- Alcorn, Hugh Meade1
- Alda, Alan, 1936-1
- Alden, Ginger2
- Alderson, Harold B1
- Aldewereld, S1
- Aldrich, Alice1
- Aldrich, Winthrop W. (Winthrop Williams), 1885-19741
- Aldridge, Robert C1
- Alekseenko, Vladimir, 1918-19952
- Aleksinskiĭ, Grigoriĭ, 1879-19671
- Alemann, Roberto T1
- Aletti, Vince2
- Alexander, Cathy2
- Alexander, Josef1