- Raharney
- Raheny
- Rann Na Feirste
- Raphoe
- Ráth Luirc
- Rathangan
- Rathard
- Rathcool
- Rathcoole
- Rathcormack
- Rathdowney
- Rathdrum
- Rathgar
- Rathkeale
- Rathmelton
- Rathmines
- Rathmolyon
- Rathmore
- Rathmullan
- Rathnew
- Rathtoe
- Rathvilly
- Rathwire
- Ratoath
- Reardnogy
- Redcross
- Rhode
- Rialto
- Ring
- Ringaskiddy
- Ringsend
- Rivermeade
- Riverstick
- Riverstown
- Robertstown
- Rochfortbridge
- Rockcorry
- Roosky
- Roscommon
- Roscrea
- Rosegreen
- Ross Carbery
- Rosscahill
- Rosses Point
- Rosslare
- Roundstone
- Roundwood
- Rush
