Uman Island is an island of Uman municipality in Chuuk State, Federated States of Micronesia, with an area of 4.70 km². Highest elevation is Mt. Uroras with 273 meters.
Traditionally and before European contact, Uman had been subdivided into six districts. These are listed clockwise, starting in the North:[1]
During World War II the United States Navy built Naval Base at Uman Island, Truk Lagoon, Fleet Post Office #3048. The United States Fourth Fleet used Uman Island for anchorage, a PT Boat Base.[2]