S
- (County Cork) Spain
- (County Cork) Sanavalley
- (County Tipperary) Shesharoe
- (County Tipperary) Shanbally
- (County Tipperary) Shallee Upper & Lower
- (County Tipperary) Scragg
- (County Tipperary) Spruce Hill
- (Kerry) Scartleigh
- (Kerry) Shrone East
- (Kerry) Sliss
- (Kerry) Shrone West
- (Kerry) Sleveen
- (Kerry) Slievawaddra
- (Kerry) Sheepwalk
- (Clare) Shanganagh
- (County Cork) Summer Cove
- (County Cork) Stuake
- (Clare) Strand
- (Kerry) Stradbally
- (Limerick City and County Council) Stonehall
- (County Waterford) Sporthouse Cross Roads
- (Limerick City and County Council) Spittle
- (County Cork) Spike Island
- (Clare) Spancelhill
- (County Cork) Sovereign Islands
- (Kerry) Smerwick
- (County Cork) Skenakilla Cross Roads
- (County Cork) Skeagh
- (County Tipperary) Shronell
- (Kerry) Shrone