Eärnil I was the thirteenth King of Gondor and the second Ship-king.
In 913 T.A. he succeeded his illustrious uncle Tarannon Falastur who died childless. He was the son of Tarannon's brother Tarciryan.
He continued with the expansionist maritime policy of his predecessor. He captured Umbar in 933 T.A.
He was tragically lost at sea near Umbar in 936 T.A. and succeeded by his son Ciryandil.