Vassar may refer to:

• Vassar College, a college in Poughkeepsie, New York that is one of the Seven Sisters schools
• Matthew Vassar (1792–1868), US brewer and merchant, founder of Vassar College
• Phil Vassar (b. 1964), American country music artist
• Vassar Township, Michigan
• Vassar, Michigan, at the western end of Vassar Township, Michigan