The 2019–20 Duquesne Dukes men's basketball team represented Duquesne University during the 2019–20 NCAA Division I men's basketball season. The Dukes, led by third-year head coach Keith Dambrot, were members of the Atlantic 10 Conference. The Dukes finished the season 21–9, 11–7 in A-10 play to finish in a tie for fifth place. Their season ended when the A-10 tournament and all other postseason tournament were canceled due to the ongoing coronavirus pandemic.