- American Legion1
- American Legion. Richland Post No. 6 (Columbia, S.C.)1
- American Revolution Bicentennial, 197613
- American Sign Language4
- American Veterans (Organization)1
- American alligator1
- Amtrak2
- Ananda, Deva, 1923-20111
- Ancient Arabic Order of the Nobles of the Mystic Shrine for North America1
- Anderson, J. Macfie (James Macfie), 1888-19662
- Anderson, Jack, 1922-20053
- Anderson, Judith, 1897-19921
- Anderson, Paul Edward, 1932-19942
- Anderson, Robert G.7
- Angelou, Maya2
- Animal shelters1
- Annexation (Municipal government)3
- Apartments47
- Apollo 16 (Spacecraft)1
- Apples8