- Ralph
- Ramona
- Randall Island (historical)
- Randolph
- Rapid City
- Rapid Valley
- Rauville
- Ravinia
- Raymond
- Red Elm
- Red Scaffold
- Red Shirt
- Red Willow Colony
- Redfern
- Redfield
- Redig
- Redowl
- Ree Heights
- Reliance
- Renner
- Renner Corner
- Reno
- Reppert Addition
- Reva
- Revillo
- Richfield Heights
- Richland
- Richmond
- Richmond Heights
- Richmond Lake Heights Development