The 2019–20 Ohio State Buckeyes men's basketball team represented Ohio State University in the 2019–20 NCAA Division I men's basketball season. Their head coach was Chris Holtmann, in his third season with the Buckeyes. The Buckeyes played their home games at Value City Arena in Columbus, Ohio as members of the Big Ten Conference. They finished the season 21–10, 11–9 in Big Ten play to finish in a four-way tie for fifth place. Following the regular season, the Big Ten tournament was canceled due to the ongoing COVID-19 pandemic. Shortly thereafter, all postseason tournaments were canceled due to the pandemic, ending the Buckeyes' season.