- Algonquin Hotel (New York, N.Y.)1
- Ali, Ahmad (Radio personality)1
- Ali, Tariq1
- Allegheny College (Meadville, Pa.)1
- Allen, Ann1
- Allen, Fred, 1894-19561
- Allen, R. Justice1
- Aloni, Shulamit, 1927-20141
- Alonso, Odón, 1925-20111
- Alperin, Matt2
- Alpert, Stu1
- Alsop, Joseph, 1910-19891
- Alter, Robert1
- Altham, Keith1
- Altman, Dorothy (Radio producer)1
- Alumni Federation of Columbia University1
- Alva, Margaret, 1942-1
- Amacher, Maryanne1
- Amacker, Robert, 1944-1
- Amaya, Mario2
- Ambassador's Maid (Musical group)1
- American Association for the Advancement of Science1
- American Association of Museums1
- American Broadcasting Companies. ABC Radio1
- American Bureau for Medical Aid to China1
- American Israel Public Affairs Committee1
- American Jewish Committee2
- American Jewish Joint Distribution Committee1
- American Museum of Natural History2
- American Society of University Composers3
- Americans for Democratic Action2
- Ames, David1
- Ames, Genie1
- Amos House (Shelters : Providence, R.I.)1
- Amos, Stanley2
- Amram, David25
- Ancier, Garth, 1957-1
- Andersen, Eric3
- Anderson, Abraham, 1954-1
- Anderson, Carolyn, 1913-19931
- Anderson, Clinton Presba, 1895-19751
- Anderson, Helen1
- Anderson, James1
- Anderson, Jim1
- Anderson, Jim (Actor), active 1960s-1970s1
- Anderson, Jon, 1944-1
- Anderson, Marian, 1897-19932
- Anderson, Terry A., 1949-1
- Anderson, Tom, 1910-20024
- Andrews, Frank3
- Android Sisters1
- Angeles, Bill1
- Anthony, David1
- Anthony, Les2
- Anthony, Ray1
- Antiquity (Musical group : active 1980s)3
- Anything and Everything (Musical group)1
- Apaydın, Pertev, 1929-20211
- Applegate, Mrs.1
- Arbogast and Ross (Musical group)1