The 2018–19 New Hampshire Wildcats men's basketball team represented the University of New Hampshire in the 2018–19 NCAA Division I men's basketball season. They played their home games at the Lundholm Gym in Durham, New Hampshire and were led by 14th-year head coach Bill Herrion. They finished the season 5–24 overall, 3–13 in conference play to finish in a tie for eighth place. They failed to qualify for the 2019 America East men's basketball tournament.