| Reserve, NM (Village) |
| Reserve, IN (Township) |
| Reserve at Pradera Community Development District, FL (CDD) |
| Reserve Community Development District, FL (CDD) |
| Reserve Community Development District 2, FL (CDD) |
| Reserve Township, PA (Township) |
| Resort Township, MI (Township) |
| Rest Haven, GA (Town) |
| Retreat, TX (Town) |
| Reuben, NE (Township) |
| Reubens, ID (City) |
| Reunion East Community Development District, FL (CDD) |
| Reunion West Community Development District, FL (CDD) |
| Revere, MO (Town) |
| Revere, MA (City) |
