| Year: | 2000 |
| Conference: | Southland Conference |
| Division: | I |
| Gender: | Men's |
| Teams: | 8 |
| Arena: | Hirsch Memorial Coliseum |
| City: | Shreveport, Louisiana |
| Champions: | Lamar |
| Titlecount: | 3rd |
| Coach: | Mike Deane |
| Coachcount: | 1st |
The 2000 Southland Conference men's basketball tournament took place March 8–11, 2000. The quarterfinal round was played at the home arena of the higher seeded-teams, with the semifinals and championship game played at Hirsch Memorial Coliseum in Shreveport, Louisiana. Number 7 seed Lamar won the championship game over number 4 seed, 62–55.
The Cardinals earned the conference's automatic bid to the NCAA tournament where they lost in the opening round to No. 1 overall seed Duke.
The top eight eligible men's basketball teams in the Southland Conference receive a berth in the conference tournament. After the conference season, teams were seeded by conference record.