The 2017–18 Robert Morris Colonials men's basketball team represented Robert Morris University during the 2017–18 NCAA Division I men's basketball season. The Colonials, led by eighth-year head coach Andrew Toole, played their home games at the PPG Paints Arena and four games at the Palumbo Center in Pittsburgh, Pennsylvania as members of the Northeast Conference. They finished the season 16–17, 9–9 in NEC play to finish in a tie for sixth place. As the No. 7 seed in the NEC tournament, they upset No. 2 seed Mount St. Mary's in the quarterfinals before losing in the semifinals to No. 1 seed Wagner.