Mangu (or Mongu) is a Local Government Area in Plateau State, Nigeria. Its headquarters are in the town of Mangu at 9°31′00″N 9°06′00″E.
It has an area of 1,653 km² and a population of 294,931 at the 2006 census.
The postal code of the area is 932.
Languages spoken in Mangu are Mwaghavul and Pyem.