Ugamak Island (Aleut: Ugangax̂) is one of the Krenitzin Islands, a subgroup of the Fox Islands group of the eastern Aleutian Islands, Alaska. Ugamak is an Aleut word transcribed by Father Veniaminov (1840) which, according to R. H. Geoghegan, may mean "ceremony island". It is 5.9 miles (9.5 km) long and is located 32 miles (51 km) east of Akutan Island.