| Year: | 1940 |
| Conference: | SEC |
| Gender: | Men's |
| Teams: | 12 |
| Arena: | Alumni Memorial Gym |
| City: | Knoxville, Tennessee |
| Champions: | Kentucky |
| Titlecount: | 4th |
| Coach: | Adolph Rupp |
| Coachcount: | 4th |
The 1940 Southeastern Conference men's basketball tournament took place on February 28–March 2, 1940, in Knoxville, Tennessee at Alumni Memorial Gym. It was the seventh SEC basketball tournament.[1]
Kentucky won the tournament by beating Georgia in the championship game.