| Type: | NAIA men's basketball tournament |
| Year: | 1966 |
| Teams: | 32 |
| Finalfourarena: | Municipal Auditorium |
| Finalfourcity: | Kansas City, Missouri |
| Champions: | Oklahoma Baptist |
| Titlecount: | 1st |
| Champgamecount: | 2nd |
| Champffcount: | 2nd |
| Runnerup: | Georgia Southern |
| Gamecount: | 1st |
| Runnerffcount: | 1st |
| Semifinal1: | Grambling (La.) |
| Finalfourcount1: | 3rd |
| Semifinal2: | Norfolk State (Va.) |
| Finalfourcount2: | 1st |
| Coty: | Ted Kjolhede |
| Cotyschool: | Central Michigan |
| Mvp: | Al Tucker |
| Mvpteam: | Oklahoma Baptist |
| Attendance: | unknown |
| Topscorer: | Al Tucker |
| Topscorerteam: | Oklahoma Baptist |
| Points: | 182 |
The 1966 NAIA men's basketball tournament was held in March at Municipal Auditorium in Kansas City, Missouri. The 29th annual NAIA basketball tournament featured 32 teams playing in a single-elimination format.[1] This tournament featured the game with the most points scored. Al Tucker received the MVP award for the second time this year.
The third-place game featured the losing teams from the national semifinalist to determine 3rd and 4th places in the tournament. This game was played until 1988.