The UMBC Retrievers men's basketball team represents the University of Maryland, Baltimore County in National Collegiate Athletic Association (NCAA) Division I competition as a member of the America East Conference. UMBC made its first Division I postseason appearance in the NCAA tournament in 2008, in which it qualified by winning the America East Conference Tournament. The UMBC Retrievers qualified for their second Division I postseason appearance in the NCAA tournament in 2018 by beating the University of Vermont in the America East Conference Tournament final. During the 2018 NCAA Tournament, UMBC became the first No. 16 seed to defeat a No. 1 seed in the NCAA men's tournament, beating the Virginia Cavaliers 74–54.