St. Mary Medical Center may refer to:
St. Mary Medical Center (Long Beach), Long Beach, California St. Mary's Medical Center (San Francisco), San Francisco St. Mary Medical Center (Hobart), Hobart, Indiana St. Mary Medical Center (Langhorne), Langhorne, Pennsylvania Providence St. Mary Medical Center (Walla Walla), Walla Walla, Washington OSF St. Mary Medical Center, Galesburg, Illinois
See also Saint Mary's Hospital (disambiguation) St. Mary's Medical Center (disambiguation) of multiple medical centers St. Mary's Regional Medical Center (disambiguation)