St. Mary Medical Center
- Galesburg, Illinois
- Hobart, Indiana
- Langhorne, Pennsylvania
- Long Beach, California
- Saint Mary's Hospital (disambiguation)
- San Francisco
- St. Mary Medical Center (Langhorne)
- St. Mary Medical Center (Long Beach)
- St. Mary's Medical Center (San Francisco)
- St. Mary's Medical Center (disambiguation)
- St. Mary's Regional Medical Center (disambiguation)
- Walla Walla, Washington