Oroluk was one of the administrative divisions of Pohnpei State, Federated States of Micronesia. In 1985, it became part of Sokehs Municipality.
Oroluk municipality included Oroluk Atoll and Minto Reef.
The municipality is uninhabited, after a population of 6 was recorded in the 1980 census. Minto Reef, the northwesternmost limit of Pohnpei State, is uninhabited and has only a small sandbank with no vegetated islands.