Rosmuc or Ros Muc, sometimes anglicised as Rosmuck, is a village in the Conamara Gaeltacht of County Galway, Ireland. It lies halfway between the town of Clifden and the city of Galway. Irish is the predominant spoken language in the area, with the electoral division of Turlough, Rosmuc, representing one of the highest percentages of Irish-speaking people in the country. The townland of Rosmuck is part of the civil parish of Kilcummin.