| Ahnapee Town, WI (Town) |
| Ahoskie, NC (Town) |
| Aid Township, OH (Township) |
| Aiken, SC (City) |
| Aiken County, SC (County) |
| Ailey, GA (City) |
| Ainsworth, NE (City) |
| Ainsworth, IA (City) |
| Ainsworth Town, WI (Town) |
| Airmont, NY (Village) |
| Airport Drive, MO (Village) |
| Airway Heights, WA (City) |
| Aitkin, MN (Township) |
| Aitkin, MN (City) |
| Aitkin County, MN (County) |
