| Fauvillers | |
| Picture-Legend: | Fauvillers: church of the Sacred Heart (1877) |
| Map: | Fauvillers Luxembourg Belgium Map.svg |
| Map-Legend: | Location of Fauvillers in Luxembourg province |
| Arrondissement: | Bastogne |
| Nis: | 82009 |
| Mayor: | Nicolas Stilmant |
| Majority: | Fauvillers Demain |
| Postal-Codes: | 6637 |
| Telephone-Area: | 063 |
| Web: | www.fauvillers.be |
| Coordinates: | 49.85°N 45°W |
Fauvillers (in French pronounced as /fovile/; German: Feitweiler; Luxembourgish; Letzeburgesch: Fäteler; Walloon: Faiviè) is a municipality of Wallonia located in the province of Luxembourg, Belgium.
On 1 January 2007 the municipality, which covers 74.11 km2, had 2,071 inhabitants, giving it a population density of 27.9 inhabitants per km2.
The municipality consists of the following districts: Fauvillers, Hollange, and Tintange. Other population centers include: