Saint Mary's College is a private Catholic women's liberal arts college in Notre Dame, Indiana. Founded in 1844 by the Sisters of the Holy Cross, the name of the school refers to the Virgin Mary.

Women's colleges in the United States are private single-sex U.S. institutions of higher education that only admit female students. They are often liberal arts colleges. There are approximately 26 active women's colleges in the United States in 2024, down from a peak of 281 such colleges in the 1960s.