- Rosemont
- Rosies Rock
- Ross Corner
- Ross Island
- Round Island
- Round Island
- Round Island
- Round Island
- Round Island
- Round Island
- Round Island
- Round Mountain
- Round Mountain
- Round Pond
- Rowe Corner
- Rowe Corner
- Roxbury
- Royal Corner
- Royal Junction
- Ruin Corner
- Rum Island
- Rum Key
- Rumell Island
- Rumford
- Rumford Center
- Rumford Corner
- Rumford Junction
- Rumford Point
- Russ Island
- Russell Corner