The 2019–20 Arizona Wildcats men's basketball team represented the University of Arizona during the 2019–20 NCAA Division I men's basketball season. The team was led by 11th-year head coach Sean Miller and played their home games at McKale Center in Tucson, Arizona as members of the Pac-12 Conference. They finished the season 21–11, 10–8 in Pac-12 play to finish in tie for fifth place. They received the No. 5 seed in the 2019 Pac-12 tournament, where they defeated Washington in the first round and were set to take on USC in the quarterfinals before the remainder of the Pac-12 Tournament was cancelled amid the COVID-19 pandemic.