| Braine-le-Château | |
| Picture-Legend: | Braine-le-Château: the castle |
| Map: | Braine-le-Château Brabant-Wallon Belgium Map.svg |
| Map-Legend: | The municipality of Braine-le-Château in Walloon Brabant |
| Arms: | CommunesBelgique-Braine-le-Chateau.svg |
| Flag: | Flag of Braine-le-Château.svg |
| Arrondissement: | Nivelles |
| Nis: | 25015 |
| Mayor: | Nicolas Tamigniau (RB) |
| Majority: | Renouveau Brainois (RB) |
| Postal-Codes: | 1440 |
| Telephone-Area: | 02 |
| Web: | www.braine-le-chateau.be |
| Coordinates: | 50.6833°N 20°W |
Braine-le-Château (in French pronounced as /bʁɛn lə ʃato/; Walloon: Brinne-Tchestea; Dutch; Flemish: Kasteelbrakel, in Dutch; Flemish pronounced as /kɑˈsteːlˌbraːkəl/) is a municipality of Wallonia located in the Belgian province of Walloon Brabant.
On January 1, 2006, Braine-le-Château had a total population of 9,446. The total area is 22.70 km² which gives a population density of 416 inhabitants per km².
The municipality consists of the following districts: Braine-le-Château and Wauthier-Braine, which were municipalities of their own until 1977.
Braine-le-Château is a medieval village in which remain many buildings from the Middle Ages. Among them are the pillory (1521), the village mill (c. 1200) and the Maison du Bailli (c. 1535).