| Petersburg, TN (Town) |
| Petersburg Borough, AL () |
| Petersburgh, NY (Town) |
| Petersham, MA (Town) |
| Peterson, ND (Township) |
| Peterson, IA (City) |
| Peterson, MN (City) |
| Peterson Township, IA (Township) |
| Peterstown, WV (Town) |
| Petersville, ND (Township) |
| Petoskey, MI (City) |
| Petrey, AL (Town) |
| Petroleum County, MT (County) |
| Petrolia, TX (Town) |
| Petrolia, PA (Borough) |
