| Sport: | Basketball |
| Year: | 1938–39 |
| Team: | Ohio State Buckeyes |
| Conference: | Big Ten Conference |
| Short Conf: | Big Ten |
| Record: | 16–7 |
| Conf Record: | 10–2 |
| Head Coach: | Harold Olsen |
| Hc Year: | 17th |
| Asst Coach1: | J. E. Blickle |
| Stadium: | Fairgrounds Coliseum |
| Champion: | NCAA tournament, Runner-up Big Ten Champions |
| Tourney: | National Championship Game |
| Tourney Result: | L 33-46 vs. Oregon |
The 1938–39 Ohio State Buckeyes men's basketball team represented Ohio State University as a member of the Big Ten Conference during the 1938–39 NCAA men's basketball season. The team's head coach was Harold Olsen and they played their home games at the Fairgrounds Coliseum. Ohio State finished Big Ten play atop the standings with a 10–2 record.[1] The Buckeyes were one of eight teams selected to play in the inaugural NCAA tournament where they finished runner-up after losing to Oregon in the National championship game.[2]
|-!colspan=9 style=| Regular season
|-!colspan=9 style=| NCAA tournament[3]