The Petite Baïse (French pronunciation: [pətit ba.iz], literally Little Baïse; Occitan: Petita Baïsa) is a 75.0 km (46.6 mi) long river in the Hautes-Pyrénées and Gers départements, southwestern France.

It is a right tributary of the Baïse into which it flows in l'Isle-de-Noé.

This list is ordered from source to mouth:

You can help Wikipedia by expanding it.This Gers geographical article is a stub.

You can help Wikipedia by expanding it.This article related to a river in France is a stub.