St Mary's University College, Belfast, a college of Queen's University Belfast, in Northern Ireland
St Mary's University, Twickenham, London, oldest Catholic university in the United Kingdom

United States

(by state)

Saint Mary's College of California, Moraga, California
St. Mary's College of Maryland, St. Mary's City, Maryland
St. Mary's Seminary and University, Baltimore, Maryland
Mount St. Mary's University, Emmitsburg, Maryland
Saint Mary's College (Michigan), Orchard Lake, Michigan, defunct—now known as Madonna University
Saint Mary's University of Minnesota, Winona, Minnesota
St. Mary's University (Galveston, Texas), Galveston, Texas, a defunct university that closed in 1922.
St. Mary's University, Texas, San Antonio, Texas
University of Saint Mary, Leavenworth, Kansas

Venezuela