| Year: | 2009 |
| Conference: | Big South Conference |
| Division: | I |
| Gender: | Men's |
| Teams: | 8 |
| Quarterarena: | campus sites |
| Semiarena: | Dedmon Center |
| Semicity: | Radford, Virginia |
| Finalarena: | Dedmon Center |
| Finalcity: | Radford, Virginia |
| Champions: | Radford |
| Titlecount: | 2nd |
| Coach: | Brad Greenberg |
| Coachcount: | 1st |
| Mvp: | Artsiom Parakhouski |
| Mvpteam: | Radford |
| Television: | ESPNU (semifinals) ESPN2 (championship) |
The 2009 Big South Conference men's basketball tournament took place March 3–7, 2009. It was won by the Radford Highlanders.
The quarterfinals were held on campus sites, with the higher seed playing host in each game. The semifinals and finals were held at the Dedmon Center in Radford, Virginia.