| Sombreffe | |
| Map: | Sombreffe Namur Belgium Map.svg |
| Map-Legend: | Location of Sombreffe in Namur Province |
| Arms: | Armoiries de Sombreffe 1.svg |
| Flag: | Flag of Sombreffe.png |
| Arrondissement: | Namur |
| Nis: | 92114 |
| Mayor: | Étienne Bertrand |
| Majority: | IC-MR |
| Postal-Codes: | 5140 |
| Telephone-Area: | 071 |
| Web: | www.sombreffe.be |
| Coordinates: | 50.5315°N 4.597°W |
Sombreffe (in French pronounced as /sɔ̃bʁɛf/; Walloon: Sombrefe) is a municipality of Wallonia located in the province of Namur, Belgium.
On 1 January 2014 the municipality had 8,226 inhabitants.[1] The total area is 35.78 km2, giving a population density of 230 inhabitants per km2.
The municipality is composed of the following districts: Boignée, Ligny, Sombreffe and Tongrinne.