The 2017–18 Detroit Titans men's basketball team, also known as Detroit Mercy, represented the University of Detroit Mercy during the 2017–18 NCAA Division I men's basketball season. The Titans, led by second-year head coach Bacari Alexander, played their home games at Calihan Hall as members of the Horizon League. They finished the season 8–24, 4–14 in Horizon League play to finish in last place. They lost in the first round of the Horizon League tournament to Green Bay.