| Type: | NAIA men's basketball tournament |
| Year: | 1965 |
| Teams: | 32 |
| Finalfourarena: | Municipal Auditorium |
| Finalfourcity: | Kansas City, Missouri |
| Champions: | Central State (Ohio) |
| Titlecount: | 1st |
| Champgamecount: | 1st |
| Champffcount: | 1st |
| Runnerup: | Oklahoma Baptist |
| Gamecount: | 1st |
| Runnerffcount: | 1st |
| Semifinal1: | Ouachita Baptist (Ark.) |
| Finalfourcount1: | 1st |
| Semifinal2: | Fairmont State (W.Va.) |
| Finalfourcount2: | 1st |
| Coty: | Dick Campbell |
| Cotyschool: | Carson-Newman (Tenn.) |
| Mvp: | Ken Wilburn |
| Mvpteam: | Central State (Ohio) |
| Hustle: | David Kossover |
| Hustleschool: | Ouachita Baptist (Ark.) |
| Attendance: | unknown |
| Topscorer: | Al Tucker |
| Topscorerteam: | Oklahoma Baptist |
| Points: | 125 |
The 1965 NAIA men's basketball tournament was held in March at Municipal Auditorium in Kansas City, Missouri. The 28th annual NAIA basketball tournament featured 32 teams playing in a single-elimination format.[1] This is the first tournament since 1947 tournament to feature four new teams to the NAIA Semifinals. (It would be the 4th time since 1937 this has happened; previous years were the inaugural year 1937, 1945, and 1947). It was the longest gap up until it was eclipsed by the gap between 1969-2001 which featured 1 or more repeating semi-finalist each year. It was the second time the number one seed has won the tournament.
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.