L
- (County Waterford) Lyre
- (County Waterford) Lowry’s Bridge
- (County Waterford) Lyre
- (County Tipperary) Lisnamuck
- (County Tipperary) Loughtally
- (County Cork) Lissanisky
- (County Waterford) Lisnakill Cross
- (County Waterford) Lisnakill
- (County Waterford) Leperstown
- (County Waterford) Lisselan
- (Limerick City and County Council) Loughgur Cross
- (Limerick City and County Council) Longford Bridge
- (Limerick City and County Council) Longstone
- (Limerick City and County Council) Longford Bridge
- (Limerick City and County Council) Luddenbeg
- (Limerick City and County Council) Lismullane
- (Limerick City and County Council) Laghtane
- (Limerick City and County Council) Lacka
- (County Tipperary) Longford
- (County Tipperary) Lisvarrinane
- (County Tipperary) Lagganstown
- (County Tipperary) Laghile
- (County Tipperary) Lackamore
- (County Tipperary) Labbadiha Bridge
- (County Tipperary) Lackamore
- (County Tipperary) Lissatunny
- (County Tipperary) Lisgarode
- (County Tipperary) Levally
- (County Tipperary) Loughkent House
- (County Tipperary) Loughcapple Bridge