| Rock Prairie, MO (Township) |
| Rock Rapids, IA (City) |
| Rock River, WY (Town) |
| Rock River Township, MI (Township) |
| Rock Run Township, IL (Township) |
| Rock Springs, WY (City) |
| Rock Springs Village, WI (Village) |
| Rock Town, WI (Town) |
| Rock Town, WI (Town) |
| Rock Township, IA (Township) |
| Rock Township, IA (Township) |
| Rock Township, IA (Township) |
| Rock Township, IA (Township) |
| Rock Township, IA (Township) |
| Rock Valley, IA (City) |
