- Archacki, Carl, 1957-1
- Archer, Michelle1
- Archer, William1
- Arena Stage1
- Arena Stage (Organization : Washington, D.C.)1
- Armentrout, Hunter F.1
- Arthur, Thomas H.1
- Ash and Purkey Families1
- Asimov, Isaac, 1920-19922
- Associate Provost for Academic Affairs1
- Association for the Preservation of Virginia Antiquities1
- Association for the Preservation of Virginia Antiquities. Yorktown Branch1
- Association of Collegiate Scholars in Architecture1
- Association of Scottish Games and Festivals1
- Atherton, Frederick1