St. Clair Square is a shopping mall in Fairview Heights, Illinois, United States.

Opened in 1974, the mall features Macy's, Dillard's, and JCPenney as its anchor stores.

The May Department Stores Company, through its subsidiary May Centers, Inc., built the mall[3] in 1974 with Famous-Barr, JCPenney, and Sears.

Stix Baer & Fuller built a store on the mall site in 1979.

[3] At the time, it was the fifth-largest mall in the St. Louis, Missouri metropolitan area.