St. Mary's University College may mean:
- St. Mary's University College (Belfast), Northern Ireland, UK
- St. Mary's University College, Calgary, Canada
- St. Mary's University College (Twickenham), England, UK (former name of St Mary's University, Twickenham, used until 2014)
- St. Mary's University College (Addis Ababa), Ethiopia
- St. Mary's University College, Dublin
See also:
- Saint Mary's University (disambiguation)
- Saint Mary's College (disambiguation)
- University of Mary (disambiguation)