| River Grove, IL (Village) |
| River Hall Community Development District, FL (CDD) |
| River Heights, UT (City) |
| River Hills Village, WI (Village) |
| River Oaks, TX (City) |
| River Place on the St. Lucie Community Development District, FL (CDD) |
| River Ridge Community Development District, FL (CDD) |
| River Road at Center Road Community Development District, FL (CDD) |
| River Rouge, MI (City) |
| River Vale Township, NJ (Township) |
| Riverbank, CA (City) |
| Riverbend West Community Development District, FL (CDD) |
| Rivercrest Community Development District, FL (CDD) |
| Riverdale, GA (City) |
| Riverdale, NE (Village) |
