- American Institute of Architects5
- American Institute of Architects. Detroit Chapter1
- American Institute of Architects. Florida Association1
- American Institute of Planners1
- American Israel Public Affairs Committee1
- American Jewish Committee2
- American Jewish Joint Distribution Committee1
- American Recording Society Orchestra24
- American Society of University Composers3
- Americans for Democratic Action2
- Ames, David1
- Ames, Genie1
- Amin, Samir1
- Amiri Baraka's Blue Ark (Musical group)2
- Amirian, Adrianne2
- Amitay, Morris J., 1936-1
- Amnesty International USA1
- Amos House (Shelters : Providence, R.I.)1
- Amos, Stanley2
- Amparo1
- Amram, David28
- An, Ik-t'ae, 1906-19652
- Anasa, Kimako1
- Ancier, Garth, 1957-1
- Andersen, Eric4
- Anderson, Abraham, 1954-3
- Anderson, Adolph2
- Anderson, Beth, 1950-1
- Anderson, Carolyn, 1913-19931
- Anderson, Clinton Presba, 1895-19751
- Anderson, Dillon, 1906-19741
- Anderson, Donald (Cellist)1
- Anderson, G. Early1
- Anderson, Gilbert M., 1880-19711
- Anderson, Harold S1
- Anderson, Helen1
- Anderson, Jack Z. (Jack Zuinglius), 1904-19811
- Anderson, James1
- Anderson, Jim2
- Anderson, Jim (Actor), active 1960s-1970s1
- Anderson, Jon, 1944-1
- Anderson, Judith, 1897-19921
- Anderson, M. O1
- Anderson, Marian, 1897-19932
- Anderson, Marie, 1916-19961
- Anderson, Maxwell, 1888-19591
- Anderson, Orvil A., 1895-19651
- Anderson, Quentin, 1912-20033
- Anderson, Robert B. (Robert Bernerd), 1910-19891
- Anderson, Ronald, 1934-3
- Anderson, Sigurd, 1904-19901
- Anderson, Thelma Ehrlich, 1921-2
- Anderson, Tom, 1910-20024
- Anderson, Walter Stratton, 1881-19811
- Anderson, Warwick, 1902-19761
- Anderson, Will, 1948-1
- Anderson, William H., 1874-19591
- Andreu, Joseph Major, -19611
- Andrews, C. Blythe, Jr1
- Andrews, Dana, 1909-19921