The 2018–19 Detroit Mercy Titans men's basketball team represented the University of Detroit Mercy during the 2018–19 NCAA Division I men's basketball season. The Titans, led by first-year head coach Mike Davis, played their home games at Calihan Hall as members of the Horizon League. They finished the season 11–20 overall, 8–10 in Horizon League play, ending in a 3-way tie for sixth place. As the No. 7 seed in the Horizon League tournament, they lost in the quarterfinals to eventual tournament champion Northern Kentucky,