The 2018–19 Stanford Cardinal men's basketball team represented Stanford University during the 2018–19 NCAA Division I men's basketball season.

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

The Cardinal finished the 2017-18 season 19-16, 11-7 in Pac-12 play to finish in a three-way tie for third place; this was their most conference wins in a decade (since 2008).

They lost in the quarterfinals of the Pac-12 tournament to UCLA.

They qualified for the NIT beating BYU in the first round, but lost to Oklahoma State in the second round.