| Adrian, KS (Township) |
| Adrian, MN (City) |
| Adrian Town, WI (Town) |
| Adrian Township, MI (Township) |
| Advance, IN (Town) |
| Advance, MO (City) |
| Advance, ND (Township) |
| Aetna, MN (Township) |
| Aetna, KS (Township) |
| Aetna Township, MI (Township) |
| Aetna Township, MI (Township) |
| Aetna Township, IL (Township) |
| Afton, NY (Village) |
| Afton, WY (Town) |
| Afton, OK (Town) |
