- Rathea
- Rathmore
- Rathomin Bridge
- Rathroe
- Rathscannel
- Rea
- Reacaslagh
- Reacaslagh
- Reagrellagh
- Reahealy
- Reanagowan Cross Roads
- Redmond’s Bridge
- Reen
- Reen
- Reenard
- Reenard Cross
- Reenconnell
- Reennafardarrig
- Reenroe
- Reenrone
- Releagh Bridge
- Rice Bridge
- Rice Mount
- Roads
- Rockfield Bridge
- Roohana
- Ross Behy
- Ross Island
- Rossacoosane
- Rossanean