| Type: | NAIA |
| Division: | II |
| Year: | 2018 |
| Teams: | 32 |
| Fabfourarena: | Sanford Pentagon |
| Fabfourcity: | Sioux Falls, South Dakota |
| Champions: | Indiana Wesleyan Wildcats |
| Titlecount: | 3rd |
| Champgamecount: | 3rd |
| Champffcount: | 4th |
| Runnerup: | Saint Francis Cougars |
| Gamecount: | 4th |
| Runnerffcount: | 4th |
| Semifinal1: | IU East Red Wolves |
| Fabfourcount1: | 2nd |
| Semifinal2: | College of Idaho Coyotes |
| Fabfourcount2: | 2nd |
| Mvp: | Kyle Mangas |
| Mvpteam: | Indiana Wesleyan |
| Hustle: | Ben Carlson |
| Hustleschool: | Indiana Wesleyan |
| Topscorer: | Colton Kooima |
| Topscorerteam: | Northwestern (IA) |
| Points: | 67 |
The 2018 NAIA Division II Men’s Basketball national championship was held from March 7–13 at the Sanford Pentagon in Sioux Falls, SD. The 27th annual NAIA basketball tournament featured thirty-two teams playing in a single-elimination format. In a rematch of the 2016 Championship game, the outcome was the same. The championship game was won by the Indiana Wesleyan Wildcats of Marion, Indiana over the Saint Francis Cougars of Fort Wayne, Indiana by a score of 84 to 71.[1]
* denotes game decided in overtime