Montréal (French pronunciation: [mɔ̃ʁe.al] ⓘ; historically, Montréal-du-Gers; Gascon: Montrejau de Gers) is a commune in the Gers department in southwestern France.

The commune is situated in the Gers but close to the borders with Lot-et-Garonne and Landes.

It is built on a promontory on the right bank of the river Auzoue.

In the neighbourhood are numerous old castles, medieval walled villages, small towns built around castles and many "sacred" places because the Via Podiensis and the Way of St. James of Compostela which pass through Montréal.

Montréal is twinned with Wittisheim, Bas-Rhin, France.