| Modesto, IL (Village) |
| Modoc, IN (Town) |
| Modoc County, CA (County) |
| Moe, MN (Township) |
| Moffat, CO (Town) |
| Moffat County, CO (County) |
| Moffatt Township, MI (Township) |
| Moffett, OK (Town) |
| Mogadore, OH (Village) |
| Mohall, ND (City) |
| Mohave County, AZ (County) |
| Mohawk, NY (Town) |
| Mohawk, NY (Village) |
| Mohican Township, OH (Township) |
| Mohnton, PA (Borough) |
