Leitir Mealláin

Lettermullen, ( or possibly "the hill with the mill"), is a small island and village on the coast of southern Connemara in County Galway, Ireland. It is about west of Galway city, at the far western end of Galway Bay, Lettermullen is the westernmost of three islands; Lettermullen, Gorumna and Lettermore, along with smaller islands collectively known as Ceantar na nOileán ("District of the Islands") connected to the mainland by the bridges and causeways of the R374 road.

==Geography and geology== Lettermullen is in the parish of Kilcummin, barony of Moycullen, and province of Connacht. It forms one side of Kiegall Bay, and its northern end is part of the shore of Casheen Bay. The island comprises about of arable and pasture land. The inhabitants are chiefly employed in herring and cod fisheries and in the collection of seaweed for manure. Lettermullen is connected to the islands of Dinish (), Furnish (), Inisherk (), and Crappagh ().