The 2018–19 Duquesne Dukes men's basketball team represented Duquesne University during the 2018–19 NCAA Division I men's basketball season. The Dukes, led by second-year head coach Keith Dambrot, played their home games at the A. J. Palumbo Center in Pittsburgh, Pennsylvania as members of the Atlantic 10 Conference. They finished the season 19-13, 10-8 in A-10 Play to tie for 6th place. They lost in the first round of the A-10 tournament to Saint Joseph’s.