N
- (Wicklow) Newbawn
- (Wexford) Newtown Lower
- (Wicklow) Newtown
- (County Carlow) Nashe’s Quarter
- (Wicklow) Newry
- (Kildare) Newtown Great
- (Kildare) Nunsland
- (County Carlow) Nurney
- (Laois) Northgrove
- (Wicklow) Newtownmountkennedy
- (Louth) Newtown Monasterboice
- (Meath) Newtownfortescue
- (An Longfort) Newtownforbes
- (Westmeath) New Town
- (Kildare) Newtown
- (Uíbh Fhailí) Newtown
- (Kilkenny) Newtown
- (Kilkenny) Newmarket
- (Kildare) Newberry
- (Wexford) Nethertown
- (Laois) Nealstown
- (Fingal County) Nags Head
- (Kilkenny) Nicholastown
- (Wexford) Newtown
- (Wexford) New Bridge
- (Wexford) Nash
- (Wexford) Nash Bridge
- (Wexford) Nelson Bridge
- (Wexford) Newtown
- (Wexford) Newcastle