- Rehrersburg
- Reidsburg
- Reiffton
- Reightown
- Reilly
- Reillys
- Reimold
- Reinerton
- Reinerton-Orwin-Muir
- Reinholds
- Reinoeldville
- Reissing
- Reistville
- Reitz
- Reitz
- Relay
- Reliance
- Rembrant
- Remeos Mobile Home Park
- Rene Mont
- Renfrew
- Rennerdale
- Renninger Tract
- Renningers
- Rennyson
- Reno
- Renovo
- Renton
- Renton Junction
- Republic