Mangilao is a village on the eastern shore of the United States territory of Guam.

The U.S. Census Bureau has the municipality in multiple census-designated places: Mangilao,[2] Adacao,[3] Pagat,[4] and University of Guam.

[7] The Guam Youth Correctional Facility, operated by the department, is in Mangilao.

[9] The Guam Department of Public Health and Social Services has its headquarters in Mangilao.

Other residents are zoned to Pedro C. Lujan Elementary School in Barrigada.