The Seven Sisters are a group of seven liberal arts colleges in the Northeastern United States that are historically women's colleges. Barnard College, Bryn Mawr College, Mount Holyoke College, Smith College, and Wellesley College are still women's colleges. Vassar College became coeducational in 1969, and Radcliffe College was absorbed in 1999 by Harvard College and now offers programs in advanced study.

Radcliffe College was a women's liberal arts college in Cambridge, Massachusetts, that was founded in 1879. In 1999, it was fully incorporated into Harvard College.