The 2019–20 DePaul Blue Demons men's basketball team represented DePaul University during the 2019–20 NCAA Division I men's basketball season. They were led by fifth-year (eighth overall with DePaul) head coach Dave Leitao and played their home games at Wintrust Arena in Chicago as members of the Big East Conference. The Demons finished the season 16–16, 3–15 in Big East play to finish in last place. They defeated Xavier in the first round of the Big East tournament before the remaining tournament was canceled due to the ongoing COVID-19 pandemic.