Genappe is a Walloon municipality located in the Belgian province of Walloon Brabant. On 1 January 2006 Genappe had a total population of 14,136. The total area is 89.57 km² which gives a population density of 158 inhabitants per km².
Villages in the municipality of Genappe are:
- Genappe
- Vieux-Genappe
- Bousval
- Baisy-Thy Ways
- Houtain-le-Val
- Loupoigne
- Glabais