| Mountlake Terrace, WA (City) |
| Mountrail, ND (Township) |
| Mountrail County, ND (County) |
| Mountville, PA (Borough) |
| Mouse River, ND (Township) |
| Moville, IA (City) |
| Moville Township, IA (Township) |
| Moweaqua, IL (Village) |
| Moweaqua Township, IL (Township) |
| Mower County, MN (County) |
| Mowrystown, OH (Village) |
| Moxee, WA (City) |
| Moyer, MN (Township) |
| Moyie Springs, ID (City) |
| Moylan, MN (Township) |
