Arize
[Image:France - Ariège - Grotte du Mas d'azil2.JPG|thumb|200px|right|The grotto of Mas-d'Azil]
The Arize is a river of France, a right tributary of the Garonne. It arises at in the massif of Arize, in the Pyrenees, in the department of Ariège. The Arize is long and flows into the Garonne at Carbonne.
In its first it is called the Péguère. It formed the grotto of Le Mas-d'Azil.