| Bütgenbach | |
| Namefr: | Butgenbach |
| Map: | Bütgenbach Liège Belgium Map.svg |
| Map-Legend: | Location of Bütgenbach in the province of Liège |
| Arms: | BE Buetgenbach COA.svg |
| Flag: | Flagge Buetgenbach.svg |
| Arrondissement: | Verviers |
| Nis: | 63013 |
| Mayor: | Daniel Franzen (CSP) |
| Majority: | F.B.L. - Z.G.G. |
| Postal-Codes: | 4750 |
| Telephone-Area: | 080 |
| Web: | www.butgenbach.be |
| Coordinates: | 50.4333°N 18°W |
Bütgenbach (pronounced as /de/; French: Butgenbach, in French pronounced as /bytʃənbak/) is a municipality located in the Belgian province of Liège. On January 1, 2006, Bütgenbach had a total population of 5,574. The total area is 97.31 km2 which gives a population density of 57 inhabitants per km2. As part of the German-speaking Community of Belgium, the official language in this municipality is German.
The municipality consists of the following sub-municipalities: Bütgenbach proper and Elsenborn. It lends its name to a nearby artificial lake.