- Alfaro, Ricardo J. (Ricardo Joaquín), 1882-19711
- Alger, George W. (George William), 1872-19671
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- Ali, Hawa1
- Ali, Tariq67
- Aliyev, Heydar, 1923-20031
- Alkalimat, Abdul2
- All Saints High School3
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- Allen, Ann1
- Allen, Benjamin, -16461
- Allen, Fred, 1894-19561
- Allen, George, 1832-19071
- Allen, R. Justice1
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- Alleyne, Cameron Chesterfield, 1880-1
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- Alonso, Odón, 1925-20111
- Alperin, Matt2
- Alpert, Stu1
- Alsberg, Carl, 1877-19403
- Alsop, Joseph, 1910-19891
- Alter, Robert1
- Alter-Ciné, Inc.2
- Altham, Keith1
- Altman, Dorothy1
- Altman, Dorothy (Radio producer)1
- Alumni Federation of Columbia University1
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- Alvin H. Perlmutter, Inc.2
- Amacher, Maryanne1
- Amacker, Robert, 1944-1
- Amalgamated Clothing Workers of America1
- Amaya Distribution (Firm)1
- Amaya, Mario2
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- American Broadcasting Companies3
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- American Documentary, Inc.1
- American Federation of Labor1