| Amsterdam, MO (City) |
| Amsterdam, OH (Village) |
| Amsterdam, NY (City) |
| Amsterdam, NY (Town) |
| Amsterdam Township, IA (Township) |
| Amundsville, ND (Township) |
| Amwell, PA (Township) |
| AN PDC Independent Cities, VA (County) |
| Anacoco, LA (Village) |
| Anaconda-Deer Lodge, MT (County) |
| Anacortes, WA (City) |
| Anadarko, OK (City) |
| Anaheim, CA (City) |
| Anahuac, TX (City) |
| Anaktuvuk Pass, AK (City) |
