| 1978 NCAA Division I Swimming and Diving Championships | |
|---|---|
 | |
| Host city |  Long Beach, California |
| Date(s) | March 1978 |
| Venue(s) | Belmont Plaza Pool CSU, Long Beach |
← 1977 1979 → | |
The 1978 NCAA Men's Division I Swimming and Diving Championships were contested in March 1978 at the Belmont Plaza Pool at California State University, Long Beach in Long Beach, California at the 55th annual NCAA-sanctioned swim meet to determine the team and individual national champions of Division I men's collegiate swimming and diving in the United States.
Tennessee topped the team standings for the first time, the Volunteers' first title in program history.