The 2017–18 Grand Canyon Antelopes men's basketball team represented Grand Canyon University during the 2017–18 NCAA Division I men's basketball season.

They were led by head coach Dan Majerle in his fifth season at Grand Canyon.

The Antelopes played their home games at the GCU Arena in Phoenix, Arizona as members of the Western Athletic Conference.

They defeated UMKC and Utah Valley to advance to the championship game of the WAC tournament where they lost to New Mexico.

Citing injuries, they decided to not participate in a postseason tournament.