- Adelman, Kenneth L. (Kenneth Lee), 1946-1
- Adelstein, Stephen1
- Adlai E. Stevenson College1
- Adler Planetarium & Astronomy Museum1
- Adler, Alexandra, 1901-20011
- Adler, Bill, 1951-1
- Adler, Kurt A. (Kurt Alfred), 1905-19971
- Adler, Margot2
- Adler, Renata1
- Adler, Richard, 1921-20121
- Advanced Workers with the Anti-Imperialist Singers (Musical group)1
- African Liberation Forces of Mauritania4
- Agent Orange (Musical group)2
- Agle, David1
- Agnew, Spiro T., 1918-19962
- Agrest, Diana1
- Ahrens, Peg1
- Ahrland, Karin, 1931-20192
- Ahtisaari, Martii1
- Aiken, Conrad, 1889-19733
- Aitken, Gillon R.1
- Aitken, Thomas D1
- Ajemian, Alice1
- Ajemian, Anahid4
- Ajemian, Hagop1
- Akers, Adela, 1933-1
- Akers, Gene1
- Al-Amin, Jamil, 1943-1
- Alabilikian, Avedis1
- Albarelli, Gerry6
- Albee, Edward, 1928-20161
- Albers, Anni1
- Alberse, Jim1
- Albert, Eddie1
- Albert, Jan2
- Albert, Stewart Edward, 1939-20064
- Alberts, Eunice1
- Albertson, Chris2
- Albertson, Dean, 1920-1
- Albertson, Dean, 1920-19893
- Albin (Musical group)1
- Albright, Horace M. (Horace Marden), 1890-19871
- Albright-Knox Art Gallery1
- Alcalde, Hector (Lobbyist)1
- Alden, Ginger2
- Alderson, Harold B1
- Aldewereld, S1
- Aldrich, Alice1
- Aldridge, Robert C1
- Aletti, Vince2
- Alexander, Cathy1
- Alexander, Lonnie1
- Alexander, Richard D1
- Alexander, Sally, 1943-1
- Alexandrian, Carnig1
- Alexian, Charles1
- Alfaro, Ricardo J. (Ricardo Joaquín), 1882-19711
- Algonquin Hotel (New York, N.Y.)1
- Ali, Ahmad (Radio personality)1
- Ali, Muhammad, 1942-20161