The 2019–20 Grand Canyon Antelopes men's basketball team represented Grand Canyon University during the 2019–20 NCAA Division I men's basketball season.

They were led by seventh-year head coach Dan Majerle and played their home games at GCU Arena in Phoenix, Arizona as members of the Western Athletic Conference (WAC).

[1] On March 13, 2020, the school fired Dan Majerle as head coach of the Antelopes.

[2] A few days later, the school named former Vanderbilt and Valparaiso head coach Bryce Drew as the Antelopes' next head coach.

They defeated Seattle[4] and Utah Valley[5] to advance to the championship game of the WAC tournament where they lost to New Mexico State.