Momignies is a Walloon municipality in the Belgian province of Hainaut. On January 1, 2006, Momignies had a total population of 5,125. The total area is 85.58 km² which gives a population density of 60 inhabitants per km².
The municipality consists of the following sub-municipalities: Momignies proper, Beauwelz, Forge-Philippe, Macon, Macquenoise, Monceau-Imbrechies, and Seloignes.
Momignies is notable for encompassing the only area in Belgium which is not drained into the North Sea. It is drained by the Oise river into the English Channel
- Media related to Momignies at Wikimedia Commons