| River, KS (Township) |
| River, MN (Township) |
| River Bend, NC (Town) |
| River Bend, MO (Village) |
| River Bend Community Development District, FL (CDD) |
| River Bluff, KY (City) |
| River Edge, NJ (Borough) |
| River Falls, WI (City) |
| River Falls, MN (Township) |
| River Falls, AL (Town) |
| River Falls Town, WI (Town) |
| River Forest, IN (Town) |
| River Forest, IL (Village) |
| River Forest Township, IL (Township) |
| River Glen Community Development District, FL (CDD) |
