The 2019–20 Stanford Cardinal men's basketball team represented Stanford University during the 2019–20 NCAA Division I men's basketball season.

The Cardinal were led by fourth-year head coach Jerod Haase and played their home games at Maples Pavilion as a member of the Pac-12 Conference.

They lost in the first round of the Pac-12 tournament to California.

The Cardinal finished the 2018–19 season 15–16, 8–10 in Pac-12 play to finish in a three-way tie for eighth place, losing the tie-breakers against Arizona and USC ultimately finishing in tenth place.

They lost in the first round of the Pac-12 tournament to the seven seed UCLA 79–72, finishing their year.