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is a village in Richland Parish in northeastern Louisiana, United States. The population was 595 at the 2000 census. Mangham was established in 1890. It is named for
According to the United States Census Bureau, the town has a total area of 1.0 square miles (2.6 km²), all of it land.
The community straddles the border with Franklin Parish. Louisiana Highway 15 runs through Mangham.