- American Independent Party1
- American Israel Public Affairs Committee1
- American Jewish Committee2
- American Jewish Joint Distribution Committee1
- American Museum of Natural History2
- American Mutual Liability Insurance Company1
- American Nationalist (Organization)1
- American News Company1
- American ORT Federation1
- American Playhouse Theatrical Films2
- American Public Media1
- American Society of Newspaper Editors1
- American Society of University Composers3
- American Tract Society1
- Americans for Democratic Action2
- Ames, David1
- Ames, Fisher, 1758-18083
- Ames, Genie1
- Ames, Jessie Daniel, 1883-19722
- Amherst of Arracan, William Pitt Amherst, Earl, 1773-185737
- Amherst, Elizabeth, 1739 or 1740-183017
- Amherst, Jeffery Amherst, Baron, 1717-17971
- Amiri Baraka's Blue Ark (Musical group)2
- Amnesty International USA1
- Amos House (Shelters : Providence, R.I.)1
- Amos, Stanley2
- Amram, David28
- Anasa, Kimako1
- Ancier, Garth, 1957-1
- Andersen, Eric4
- Anderson, Abraham, 1954-1
- Anderson, Alexander, 1775-18701
- Anderson, Carolyn, 1913-19931
- Anderson, Clinton Presba, 1895-19751
- Anderson, Florence, 1910-142
- Anderson, Helen1
- Anderson, James1
- Anderson, James W.5
- 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
- Andrew Jackson High School (New York, N.Y.)1
- Andrews, Frank3
- Andries Hudde Junior High School (Brooklyn, New York, N.Y.)1
- Android Sisters1
- Angeles, Bill1
- Angelou, Maya1
- Angerstein, Mr.1
- Anglois, Chevalier1
- Anners, Henry F.1
- Another Mother for Peace (Association)1
- Anōtatē Scholē tōn Kalōn Technōn (Athens, Greece)1
- Anstey, John1
- Anstey, John, -18192
- Anthon, George1
- Anthony, David1
- Anthony, Les2