| Name: | First Elected or Appointed: |
| Aarons, Morris | August 21, 1970 |
| Aarons, Sharon A.M. | November 3, 2009 |
| Abbott, George B. | November 6, 1906 |
| Abbott, Seth A. | May 31, 1974 |
| Abdus-Salaam, Sheila | November 2, 1993 |
| Acker, Christi J. | November 7, 2017 |
| Ackerman, Bernard B. | November 5, 1929 |
| Acosta, Rolando T. | November 8, 2002 |
| Adams, Rachael A. | November 5, 2011 |
| Adams, Thomas A. | November 3, 1992 |
| Adams, William H. | November 8, 1887 |
| Adel, Frank F. | November 3, 1931 |
| Adler, Gerald | November 7, 1978 |
| Adler, Lester B. | November 2, 2004 |
| Affronti, Francis A. | November 7, 1989 |
| Agate, Augustus C. | November 2, 2004 |
| Agresta, Thomas S. | November 5, 1968 |
| Aiello, Ronald J. | November 2, 1982 |
| Ajello, Michael V. | June 26, 2002 |
| Albert, Daniel G. | November 6, 1962 |
| Aldrich, Raymond E. | November 7, 1933 |
| Alessandro, Joseph S. | November 8, 2005 |
| Alexander, Fritz W., II | November 2, 1976 |
| Alexander, John | November 3, 1931 |
| Aliotta, Thomas P. | November 6, 2001 |
| Allen, Cornelius L. | November 4, 1851 |
| Allen, William F. | June 7, 1847 |
| Aloi, Thomas | November 6, 1973 |
| Aloise, Michael B. | November 4, 2003 |
| Alomar, Karina E. | November 3, 2020 |
| Alpert, Bruce D. | November 3, 1992 |
| Alter, S. Reymart | December 5, 1969 |
| Altimari, Frank X. | November 6, 1973 |
| Altman, Myriam J. | November 3, 1987 |
| Alverson, Claude B. | November 2, 1920 |
| Ambro, Richard | November 6, 2012 |
| Amend, Edward B. | November 4, 1902 |
| Amsterdam, Birdie | November 5, 1957 |
| Amyot, John R. | September 7, 1973 |
| Amyot, John Raymond | November 6, 1973 |
| Anderson, Floyd E. | January 3, 1952 |
| Andrews, George P. | November 6, 1883 |
| Andrews, William S. | November 7, 1899 |
| Andrias, Richard T. | November 8, 1988 |
| Anfuso, Victor L. | November 6, 1962 |
| Angell, Edward M. | November 8, 1921 |
| Angiolillo, Daniel D. | November 2, 1999 |
| Angle, James L. | November 3, 1874 |
| Angle, James L. | December 20, 1877 |
| Antonacci, Robert E., II | November 5, 2019 |
| Anzalone, Anna R. | November 4, 2014 |
| Appelman, Pearle | November 5, 1985 |
| Argento, Victoria M. | November 6, 2018 |
| Ark, Jacob | July 14, 1961 |
| Ark, John J. | November 2, 1993 |
| Arkwright, George A. | September 23, 1950 |
| Arnoites, Vasilios C. | October 7, 1997 |
| Aronin, Gloria Cohen | November 3, 1987 |
| Aronin, Irving S. | November 7, 1978 |
| Aronson, Richard | November 7, 1961 |
| Asarch, Joel K. | November 7, 2006 |
| Asch, Sidney H. | November 3, 1970 |
| Ascione, Alfred M. | November 8, 1966 |
| Ash, Sylvia G. | November 2, 2010 |
| Asher, W. Gerard | November 2, 2010 |
| Aspinall, Joseph | November 6, 1906 |
| Aspland, George J. | November 6, 1973 |
| Atwood, William | August 5, 1701 |
| Auffredou, Martin D. | November 3, 2015 |
| Aulisi, Arthur C. | November 5, 1968 |
| Aulisi, Felix J. | November 4, 1952 |
| Aulisi, Richard T. | November 2, 1999 |
| Aurelio, Thomas A. | November 2, 1943 |
| Austin, Leonard B. | November 3, 1998 |