- Red Cross Roads
- Redforge Cross Roads
- Redgate
- Redington
- Reen
- Reen
- Releagh
- Rerrin
- Riesk
- Rigsdale
- Ringarogy Island
- Ringaskiddy
- Ringaskiddy Island
- Ringville
- Rinneen
- Riverstick
- Riverstown
- Roancarrig Beg
- Roancarrig More
- Roaninish
- Roberstown
- Rochestown
- Rock View
- Rockchapel
- Rockenham
- Rockmills
- Rocky Island
- Roosk
- Rooskagh
- Rooves Beg