| Bois-et-Borsu | |
| Flag Size: | 120x100px |
| Pushpin Map: | Belgium#Europe |
| Pushpin Label: | Bois-et-Borsu |
| Coordinates: | 50.3975°N 5.3378°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Belgium |
| Subdivision Type1: | Region |
| Subdivision Type2: | Province |
| Subdivision Name2: | Liège |
| Subdivision Type4: | Municipality |
| Subdivision Name4: | Clavier |
| Population Density Km2: | auto |
| Area Code Type: | Area codes |
Bois-et-Borsu is a district of the municipality of Clavier, in the province of Liège in Wallonia, Belgium.
The village consisted of two settlements, Bois and Borsu, until they were merged in 1808. Of these, Bois is centred around the, founded in 911. The nave and chancel of the Romanesque church are listed as a historical monument, and the church contains unusual murals from the 15th century. The village also contains a fortified farm from the 13th century. In Borsu, the village church has foundations from the 12th century but is largely a building from the late 18th century, enlarged in 1935.[1]