- Rabbit Island
- Rahaniska
- Raheen
- Raheen Bridge
- Rahona
- Rat Island
- Rathcrony
- Reanagishagh
- Red Island
- Regalnka Bridge
- Rehy East
- Rehy West
- Rineanna
- Rinecaha
- Rinermackaderrig
- Rineville
- Ringaloughaun Point
- Ringroe
- Ringroe Islands
- Rinnagonnaght
- Rinnamona
- Rinneen
- Roadford
- Ross
- Rossanure
- Ruan
- Rabbit Island
- Rabbit Islands
- Rahalisk
- Raheen Bridge