| Boivre | |
| Pushpin Map: | France#France Nouvelle-Aquitaine |
| Mouth Location: | Clain |
| Mouth Coordinates: | 46.5911°N 0.3411°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | France |
| Length: | 46.1km (28.6miles) |
| Discharge1 Avg: | 1.07m3/s (at Vouneuil-sous-Biard) |
| Basin Size: | 200km2 |
The Boivre (in French pronounced as /bwavʁ/) is a 46.1km (28.6miles) long river in western France, a left tributary of the Clain. Its source is near Vasles, in the Deux-Sèvres department.
The Boivre flows through the following departments and towns:
Benassay, Lavausseau, La Chapelle-Montreuil, Montreuil-Bonnin, Béruges, Vouneuil-sous-Biard, Biard and Poitiers
It joins the Clain at Poitiers.