Square-Victoria–OACI station is a Montreal Metro station in the borough of Ville-Marie in Montreal, Quebec, Canada. It is operated by the Société de transport de Montréal (STM) and serves the Orange Line. It is located in Victoria Square near the Quartier international de Montréal district. The station opened on February 6, 1967, four months after most of the initial network, and was briefly the terminus of the Orange Line until Bonaventure station was opened a week later.

The Orange Line, also known as Line 2, is the longest and first-planned of the four subway lines of the Montreal Metro in Montreal, Quebec, Canada. It formed part of the initial network, and was extended from 1980 to 1986. On April 28, 2007, three new stations in Laval opened making it the second line to leave Montreal Island.