The 2017–18 Cornell Big Red men's basketball team represented Cornell University during the 2017–18 NCAA Division I men's basketball season.

The Big Red, led by second-year head coach Brian Earl, played their home games at Newman Arena in Ithaca, New York as members of the Ivy League.

They lost in the semifinals of the Ivy League tournament to Harvard.

The Big Red finished the 2016–17 season 8–21, 4–10 in Ivy League play to finish in a three-way tie for last place.

They failed to qualify for the inaugural Ivy League tournament.