| Year: | 1978 |
| Division: | III |
| Teams: | 30 |
| Finalfourcity: | Rock Island, Illinois |
| Champions: | North Park Vikings |
| Titlecount: | 1st |
| Runnerup: | Widener Pride |
| Gamecount: | 1st |
| Semifinal1: | Stony Brook Seawolves |
| Finalfourcount: | 1st |
| Semifinal2: | Albion Britons |
| Finalfourcount2: | 1st |
| Mop: | Mike Harper (North Park) |
The 1978 NCAA Division III men's basketball tournament was the fourth annual single-elimination tournament to determine the men's collegiate basketball national champion of National Collegiate Athletic Association (NCAA) Division III, held during March 1978.
The tournament field included 30 teams and the national championship rounds were contested in Rock Island, Illinois.[1]
North Park defeated Widener, 69–57, in the championship game to win their first national title.