Rathmullan (Irish: Ráth Maoláin, meaning "Maoláin's ringfort") is a small seaside village on the Fanad Peninsula in County Donegal, Ireland. It is situated on the western shore of Lough Swilly, 11 km north-east of Ramelton and 12 km east of Milford. Rathmullan was the scene of the Flight of the Earls in 1607.