The 2020 Pac-12 Conference men's basketball tournament was a postseason men's basketball tournament for the Pac-12 Conference, scheduled to be played March 11–14, 2020, at T-Mobile Arena on the Las Vegas Strip in Paradise, Nevada. It was canceled after the first round due to the COVID-19 pandemic. The winner of the tournament was to have received the conference's automatic bid to the 2020 NCAA tournament.