Menchum is a department of Northwest Province in Cameroon.

The department covers an area of 4469 km2 and as of 2005 had a total population of 161,998.

The Menchum River drains this area, flowing westward into Nigeria to join the Benue River.

The department is divided administratively into 5 communes and in turn into villages.

This Cameroon location article is a stub.