R
- (County Waterford) Reanaboola
- (County Waterford) Reanaclogheen
- (County Waterford) Reeragullee
- (County Waterford) Robert’s Cross Roads
- (County Waterford) Rathnameneenagh
- (County Waterford) Redgate Cross Roads
- (County Waterford) Reanadampaun Commons
- (County Waterford) Rathmaiden
- (County Waterford) Rathguage
- (County Waterford) Ross
- (County Waterford) Robertstown
- (County Waterford) Ross Bridge
- (County Waterford) Russellstown New
- (County Waterford) Russellstown
- (County Tipperary) Rossmore
- (County Tipperary) Rathkeevin
- (County Tipperary) Rathmore
- (County Cork) Rosslague
- (County Waterford) Raheens
- (County Waterford) Rathmoylan
- (Limerick City and County Council) Riverville
- (Limerick City and County Council) Rathard
- (Limerick City and County Council) Rathjordan
- (Limerick City and County Council) Reenavanna
- (Clare) Raheen Bridge
- (County Tipperary) Rossbog
- (County Tipperary) Riversdale
- (County Tipperary) Rathkea
- (County Tipperary) Rodus Bridge
- (County Tipperary) Rossadrehid