The 2009–10 Ohio Bobcats men's basketball team represented Ohio University in the college basketball season of 2009–10. The team was coached by John Groce and played their homes game at the Convocation Center. In a huge upset, the Bobcats dominated the Hoyas almost the whole game in the first round of the NCAA tournament, beating them 97–83. The win was Ohio's first NCAA Tournament win since 1983, when they toppled Illinois State in the first round. The Bobcats advanced to face the #6 seed Tennessee. They were knocked off by Tennessee 83–67 to finish the season 22–15.