R
- (Wicklow) Redford
- (South Dublin) Redgap
- (South Dublin) Raheen
- (South Dublin) Rockbrook
- (South Dublin) Riversdale
- (Dublin City) Ranelagh
- (Meath) Rathleek
- (Kildare) Reeves
- (Wicklow) Rosahane Bridge
- (Fingal County) Richardstown
- (Louth) Reynold’s Town
- (Louth) Roadstown
- (Dún Laoghaire-Rathdown) Rathmichael
- (Louth) Rahanna
- (Westmeath) Rathwire Upper
- (Westmeath) Rathnarrow
- (Westmeath) Rathbrack
- (Westmeath) Ralrass
- (Westmeath) Riverdale
- (Westmeath) Robbersbush
- (Westmeath) Rickardstown
- (Westmeath) Robinstown
- (Westmeath) Robinstown Great
- (Meath) Rahaghy
- (Meath) Rathbrack
- (Meath) Rathniska
- (Meath) Rahendrick
- (Meath) Rafeehan
- (Meath) Rockfield
- (Meath) Robinstown