The 2017–18 Longwood Lancers men's basketball team represented Longwood University during the 2017–18 NCAA Division I men's basketball season. They were led by head coach Jayson Gee, in his fifth season, and played their home games at Willett Hall in Farmville, Virginia as members of the Big South Conference. They finished the season 7–26, 3–15 in Big South play to finish in last place. They defeated High Point in the first round of the Big South tournament to advance to the quarterfinals where they lost to Radford.