| Orp-Jauche | |
| Picture-Legend: | The Baillif house in Jauche |
| Map: | Orp-Jauche Brabant-Wallon Belgium Map.png |
| Map-Legend: | The municipality of Orp-Jauche in Walloon Brabant |
| Arms: | Orp-Jauche wapen.svg |
| Flag: | Flag of Orp-Jauche.svg |
| Arrondissement: | Nivelles |
| Nis: | 25120 |
| Mayor: | Hugues Ghenne (UP) |
| Postal-Codes: | 1350 |
| Telephone-Area: | 019 |
| Web: | www.orp-jauche.be |
| Coordinates: | 50.6833°N 61°W |
Orp-Jauche (in French pronounced as /ɔʁp ʒoʃ/; Dutch; Flemish: Adorp-Geten, in Dutch; Flemish pronounced as /ˈaːdɔrp ˈɣeːtə(n)/; Walloon: Oû-Djåce) is a municipality of Wallonia located in the Belgian province of Walloon Brabant. On January 1, 2008, Orp-Jauche had a total population of 8,400. The total area is 50.50 km² which gives a population density of 159 inhabitants per km².
The municipality consists of the following districts: Énines, Folx-les-Caves, Jauche, Jandrain-Jandrenouille, Marilles, Noduwez, and Orp-le-Grand.