Concordia University Chicago is a private university in River Forest, Illinois, United States. Formerly a college exclusively for educating teachers for parochial schools, Concordia-Chicago now offers more than 100 undergraduate and graduate degree programs and enrolls more than 5,000 students. The university is a member of the Concordia University System, a nationwide network of colleges and universities affiliated with the Lutheran Church–Missouri Synod (LCMS).

Concordia Chicago, originally named Addison Teachers Seminary, was founded in the Lutheran tradition by German immigrants in 1864. The university continues to maintain strong ties to its faith-based heritage.