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- (Mayo County) Rathavisteen
- (Mayo County) Rathnamagh
- (Mayo County) Ross
- (Mayo County) Rusheens
- (Mayo County) Rathoma
- (Mayo County) Rathglass
- (Mayo County) Rathroeen
- (County Leitrim) Rooskey
- (County Galway) Recess
- (Mayo County) Rusheen Island
- (Mayo County) Rinn na Sionnach
- (Mayo County) Rosnagleragh
- (Mayo County) Rinneanach
- (Mayo County) Roegil
- (Mayo County) Roenacoragh
- (Mayo County) Rathmorgan
- (County Galway) Roundstone
- (County Galway) Rosscahill
- (Sligo) Riverstown
- (County Leitrim) Rooskey
- (Sligo) Rosses Point