The 2014–15 Ohio State Buckeyes men's basketball team represented Ohio State University in the 2014–15 NCAA Division I men's basketball season. Their head coach was Thad Matta, in his 11th season with the Buckeyes. The team played its home games at Value City Arena in Columbus, Ohio and were members of the Big Ten Conference. They finished the season 24–11, 11–7 in Big Ten play to finish in sixth place. They advanced to the quarterfinals of the Big Ten tournament where they lost to Michigan State. They received an at-large bid to the NCAA tournament where they defeated VCU in the second round before losing in the third round to Arizona.

Thad Michael Matta is an American college basketball coach who is currently in his second stint as head coach of the Butler Bulldogs men's basketball team, having been head coach of the Bulldogs for the 2000–01 season. From 2004 to 2017, Matta led the Ohio State Buckeyes to five Big Ten Conference regular season championships, four Big Ten tournament titles, two Final Four appearances, and the 2008 NIT Championship. He is the winningest coach in Ohio State history.