Loudima is a town in the southern part of the Republic of Congo, in the Loudima District of the Bouenza Department. The town has about 18,000 inhabitants.
It is served by a station on the national railway system, and is to the east of the junction of the branch line to Mbinda.
Coordinates: 4°09′40″S 13°02′53″E / 4.161°S 13.048°E