The 2019–20 Chicago State Cougars men's basketball team represented Chicago State University in the 2019–20 NCAA Division I men's basketball season. The Cougars were led by second-year head coach Lance Irvin. They played their home games at the Emil and Patricia Jones Convocation Center as members of the Western Athletic Conference. They finished the season 4–25, 0–14 in WAC play to finish in last place. They were set to be the No. 8 seed in the WAC tournament, however, the tournament was cancelled amid the COVID-19 pandemic.