- Armstrong, J. Sinclair (James Sinclair), 1915-20001
- Armstrong, Tom, 1932-20111
- Arnason, Edith1
- Arndt, Richard T., 1928-1
- Arner, Douglas G., 1926-20061
- Arner, Frederick B1
- Arnett, Loren E., 1925-20151
- Arnheim, Rudolf1
- Arnold, Eddy, 1918-20081
- Arnold, Frank A. (Frank Atkinson), 1867-1
- Arnold, Leslie P., 1894-19611
- Arnold, Maris1
- Arnold, Thurman Wesley, 1891-19692
- Arnor, Anders1
- Aronin, Jeffrey Ellis, 1927-2
- Aronowitz, Al9
- Aronowitz, Rachel1
- Aronowitz, Stanley3
- Aronson, Albert H1
- Aronson, Fannie1
- Aronson, Henry M1
- Arostegui, Consuelo2
- Arranmore (Musical group)1
- Arrighi, Louis1
- Arrigo, Joseph1
- Arrowsmith, William, 1924-19921
- Art Institute of Chicago2
- Artaud, Antonin, 1896-19481
- Arthur1
- Arthur, George K., 1899-19851
- Arthur, Jim1
- Arthur, Paul, 1945-1
- Artis, John3
- Artra (Musical group)1
- Arts Council of Great Britain3
- Arts and Entertainment Network1
- Arvey, Jacob M. (Jacob Meyer), 1895-19771
- Arzt, George1
- Asai, Woodrow Wilson1
- Asbury, Edith Evans, 1910-20081
- Aschenbrenner, Michael, 1949-1
- Ascher, Charles S. (Charles Stern), 1899-19801
- Asekoff, L. S. (Louis S.), 1939-1
- Ash, Gabriel1
- Ash, Walter1
- Ashbery, John, 1927-20171
- Ashe, Nathan1
- Asher, Rene1
- Ashhurst-Woodard, Carmen1
- Ashley, Merrill1
- Ashley, Ted, 1922-20021
- Ashton, Dore1
- Ashur, Geri, 1947-19842
- Asia Society1
- Askew, Ed1
- Askew, Laurin B.1
- Aslan, Anna1
- Asociación de Cabildos Indígenas del Norte del Cauca1
- Asper, L. J1
- Assail, Peter1