The Auroue (French pronunciation: [oʁu]) is a 62.4-kilometre (38.8 mi) long river in the Gers, Lot-et-Garonne and Tarn-et-Garonne départements, south western France. Its source is at Crastes, 15 kilometres (9 mi) northeast of Auch. It flows generally north. It is a left tributary of the Garonne into which it flows between Saint-Sixte and Saint-Nicolas-de-la-Balerme, 13 kilometres (8 mi) southeast of Agen.

Communes along its course

This list is ordered from source to mouth:

• Gers: Crastes, Puycasquier, Miramont-Latour, Pis, Taybosc, Goutz, Céran, Brugnens, Cadeilhan, Saint-Léonard, Urdens, Saint-Clar, Magnas, Lectoure, L'Isle-Bouzon, Plieux, Castet-Arrouy, Miradoux, Gimbrède
• Lot-et-Garonne: Cuq
• Tarn-et-Garonne: Dunes
• Lot-et-Garonne: Caudecoste, Saint-Sixte, Saint-Nicolas-de-la-Balerme