Marchienne-au-Pont is a town in Wallonia and a district of the municipality of Charleroi, located in the province of Hainaut, Belgium.
It lies within the Charleroi conurbation, and its name refers to the bridge over the Sambre, the river that runs through the area. As a district of Charleroi, it forms part of the larger urban and industrial region of the Hainaut province.