The 2022–23 Oklahoma State Cowboys basketball team represented Oklahoma State University during the 2022–23 NCAA Division I men's basketball season.

The team was led by sixth-year head coach Mike Boynton, and played its home games at Gallagher-Iba Arena in Stillwater, Oklahoma as a member of the Big 12 Conference.

They defeated Oklahoma in the first round of the Big 12 tournament before losing in the quarterfinals to Texas.

They were invited to the National Invitation Tournament where they defeated Youngstown State and Eastern Washington before losing in overtime in the quarterfinals to North Texas.

On November 3, 2021, the NCAA ruled Oklahoma State ineligible for postseason play for the season due to players receiving improper benefits.