| Sport: | basketball |
| Year: | 1986–87 |
| Prev Year: | 1985–86 |
| Next Year: | 1987–88 |
| Team: | Ohio State Buckeyes |
| Conference: | Big Ten Conference |
| Short Conf: | Big Ten |
| Record: | 20–13 |
| Conf Record: | 9–9 |
| Head Coach: | Gary Williams |
| Hc Year: | 1st |
| Asst Coach1: | Randy Ayers |
| Ac1 Year: | 3rd |
| Arena: | St. John Arena |
| Tourney: | NCAA tournament |
| Tourney Result: | second round |
The 1986–87 Ohio State Buckeyes men's basketball team represented Ohio State University during the 1986–87 NCAA Division I men's basketball season. Led by first-year head coach Gary Williams, the Buckeyes finished 20–13 (9–9 Big Ten) and reached the second round of the NCAA tournament.
|-!colspan=9 style=| Regular Season
|-!colspan=9 style=|NCAA Tournament
See main article: 1986–87 NCAA Division I men's basketball rankings.