Tullaghan () is a townland in County Westmeath, Ireland. It is located about northâÂÂwest of Mullingar on the southern shore of Lough Owel.
Tullaghan is one of 64 townlands of the civil parish of Mullingar in the barony of Moyashel and Magheradernon in the Province of Leinster. The townland covers . The neighbouring townlands are: Farranistick to the northâÂÂeast, Irishtown to the southâÂÂeast, Walshestown South and Part of Walshestown North to the south, Walshestown North to the southâÂÂwest and Ballard to the northâÂÂwest.
In the 1911 census of Ireland there were 2 houses and 8 inhabitants in the townland.