Quaregnon (French pronunciation: [kaʁɲɔ̃]; Picard: Couargnon; Walloon: Cargnon) is a municipality of Wallonia located in the province of Hainaut, Belgium.

On 1 January 2018 Quaregnon had a total population of 19,006.

The total area is 11.08 km2 which gives a population density of 1,716 inhabitants per km2.

The municipality consists of the following districts: Quaregnon and Wasmuel.

This Hainaut Province location article is a stub.