Westmount Square is a residential and office complex located in Westmount, Quebec, Canada. There are two residential apartment buildings and two office buildings. These towers sit atop an underground shopping centre consisting of thirty-five shops. It is located between Sainte Catherine Street and De Maisonneuve Boulevard and between Wood Avenue and Greene Avenue. It is connected to Place Alexis Nihon, Dawson College, and the Atwater Metro station by a tunnel.

Westmount is an affluent municipality on the Island of Montreal, in southwestern Quebec, Canada. It is an enclave of the city of Montreal, with a population of 19,658 as of the 2021 Canadian census.