- Airplanes, Military2
- Airports11
- Airships8
- Albee, Edward, 1928-20162
- Ali, Muhammad, 1942-201616
- All-America City Award4
- Allen University73
- Alvarez, Ultis, 1933-20101
- Ambulance service6
- Ambulances1
- American Institute of Architects. South Carolina Chapter3
- American Legion1
- American Legion. Richland Post No. 6 (Columbia, S.C.)1
- American Revolution Bicentennial, 19768
- 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