The 2017–18 Green Bay Phoenix men's basketball team represented the University of Wisconsin–Green Bay in the 2017–18 NCAA Division I men's basketball season. The Phoenix, led by third-year head coach Linc Darner, played their home games at the Resch Center, with one home game at the Kress Events Center, as members of the Horizon League. They finished the season 13–20, 7–11 in to finish in seventh place. They defeated Detroit in the first round of the Horizon League tournament before losing in the quarterfinals to eventual Horizon League Tournament champion Wright State.