Manjo is a town and commune in Cameroon. It is located in the Moungo department, within the country's Littoral Region.
As a commune, Manjo serves as a local administrative unit in the Moungo area of the Littoral Region, one of Cameroon's ten regions. The town lies in the western part of the country, in a region whose name reflects its position along the coast and its access to the Atlantic.