| National Invitation Tournament | |
| Year: | 2006 |
| Season: | 2005–06 |
| Venues: | Madison Square Garden |
| City: | New York City |
| Num Teams: | 40 |
| Winners: | South Carolina |
| Count: | 2 |
| Second: | Michigan |
| Semifinal1: | Louisville |
| Semifinal2: | Old Dominion |
| Award Title: | MVP |
| Award: | Renaldo Balkman (South Carolina) |
| Prev Season: | 2005 |
| Next Season: | 2007 |
The 2006 National Invitation Tournament was the first time the tournament was planned and operated by the NCAA, taking over after 68 years under the auspices of the Metropolitan Intercollegiate Basketball Association (MIBA). The 2006 NIT also saw changes made to the selection process as well as being the first time the NIT seeded the participants.[1] The South Carolina Gamecocks won their second straight NIT title.
Below are lists of the team selected for the tournament. The teams were given seeds for the first time ever.[2]
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Below are the four brackets of the tournament, along with the bracket of the four-team championship round. Also the highest remaining seeds hosted the games.