The 2018–19 Maryland Terrapins men's basketball team represented the University of Maryland, College Park in the 2018–19 NCAA Division I men's basketball season. They were led by eighth-year head coach Mark Turgeon and played their home games at Xfinity Center in College Park, Maryland, as members of the Big Ten Conference. They finished the season 23–11, 13–7 in Big Ten play to finish in fifth place. They lost in the second round of the Big Ten tournament to Nebraska. They received an at-large bid to the NCAA tournament as the No. 6 seed in the East region. There they defeated Belmont before losing to LSU in the Second Round.