- Arnett, William E.1
- Arthur W. Grove Family (Roanoke, Va)1
- Ash, Pauline Morehead1
- Ashcraft Family2
- Ashcraft, John Marion1
- Association for the Preservation of Virginia Antiquities (APVA) (1889-2009)1
- Association for the Preservation of Virginia Antiquities. Colonial Capitol Branch1
- Association of Collegiate Scholars in Architecture1
- Astor, Nancy Witcher Langhorne, Viscountess1
- Astoria Beneficial Club1
- Atherton, Frederick1
- Athey family1
- Atkeson, Thomas Clark, 1852-19351
- Atkeson-Morgan Family1
- Atkins, Georgia (Skinnell), 1886-19681