| Year: | 1988 |
| Conference: | Big South Conference |
| Division: | I |
| Gender: | Men's |
| Teams: | 7 |
| Arena: | Winthrop Coliseum |
| City: | Rock Hill, SC |
| Champions: | Winthrop |
| Titlecount: | 1st |
| Coach: | Steve Vacendak |
| Coachcount: | 1st |
| Mvp: | John Weiss |
| Mvpteam: | Winthrop |
The 1988 Big South Conference men's basketball tournament took place March 3–5, 1988, at the Winthrop Coliseum in Rock Hill, South Carolina. For the first time in their school history, the Winthrop Eagles won the tournament, led by head coach Steve Vacendak.[1]
All of the conference's seven members participated in the tournament, hosted at the Winthrop Coliseum, home of the Winthrop Eagles. Teams were seeded by conference winning percentage.
* Asterisk indicates overtime game