Ballina (; ) is a town in north County Mayo, Ireland. It lies at the mouth of the River Moy near Killala Bay, in the Moy valley and Parish of Kilmoremoy, with the Ox Mountains to the east and the Nephin Beg mountains to the west. The town occupies two baronies; Tirawley on the west bank of the Moy River, and Tireragh, a barony within the County of Sligo, on its east banks.