| Nassogne | |
| Map: | Nassogne Luxembourg Belgium Map.svg |
| Map-Legend: | Location of Nassogne in Luxembourg province |
| Arms: | Blason de Nassogne.svg |
| Arrondissement: | Marche-en-Famenne |
| Nis: | 83040 |
| Mayor: | Marc Quirynen |
| Majority: | Intérêts Communaux Nassogne (ICN) |
| Postal-Codes: | 6950-6953 |
| Telephone-Area: | 084 |
| Web: | nassogne.be |
| Coordinates: | 50.1333°N 26°W |
Nassogne (in French pronounced as /nasɔɲ/) is a municipality of Wallonia located in the province of Luxembourg, Belgium.
On 1 January 2007 the municipality, which covers 111.96 km2, had 5,045 inhabitants, giving a population density of 45.1 inhabitants per km2.
The municipality consists of the following districts: Ambly, Bande, Forrières, Grune, Harsin, Lesterny, Masbourg (including Mormont), and Nassogne.