Afognak (Alutiiq: Agw’aneq; Russian: Афогнак) is an island in the Kodiak Archipelago 5 km (3.1 mi) north of Kodiak Island in the U.S. state of Alaska. It is 43 miles (69 km) long from east to west and 23 miles (37 km) wide from north to south and has a land area of 1,812.58 km2 (699.84 sq mi), making it the 18th largest island in the United States. The coast is split by many long, narrow bays. The highest point is 2,546 feet (776 m).