| Type: | NIT |
| Year: | 1983 |
| Teams: | 32 |
| Finalfourarena: | Madison Square Garden |
| Finalfourcity: | New York City |
| Champions: | Fresno State Bulldogs |
| Titlecount: | 1st |
| Runnerup: | DePaul Blue Demons |
| Gamecount: | 3rd |
| Semifinal1: | Nebraska Cornhuskers |
| Semifinalcount: | 1st |
| Semifinal2: | Wake Forest Demon Deacons |
| Semifinalcount2: | 1st |
| Coach: | Boyd Grant |
| Coachcount: | 1st |
| Mop: | Ron Anderson |
| Mopteam: | Fresno State |
The 1983 National Invitation Tournament was the 1983 edition of the annual NCAA college basketball competition.
Thirty-two teams accepted invitations to the tournament.[1]
Below are the four first round brackets, along with the four-team championship bracket.