| 1966 NCAA University Division swimming and diving championships | |
| Hostcity: | Colorado Springs, Colorado |
| Dates: | March 1966 |
| Venues: | Cadet Gymnasium United States Air Force Academy |
| Teams: | 36 |
| Events: | 18 |
| Previous: | 1965 |
| Next: | 1967 |
The 1966 NCAA University Division swimming and diving championships were contested at the 30th annual swim meet sanctioned and hosted by the NCAA to determine the individual and team national champions of men's collegiate swimming and diving among its University Division member programs in the United States, culminating the 1965–66 NCAA University Division swimming and diving season.
These championships were hosted by the United States Air Force Academy at the Cadet Gymnasium in Colorado Springs, Colorado.
Three-time defending champions USC again topped the team standings, the Trojans' fifth national title and fifth in six seasons.[1]
| USC | 302 | ||
| 286 | |||
| 253 | |||
| 173 | |||
| 143 | |||
| 115 | |||
| 89 | |||
| UCLA | |||
| 80 | |||
| 42 | |||
| 38 | |||
| 32 | |||
| 29 | |||
| 25 | |||
| 24 | |||
| Utah | |||
| 23 | |||
| 22 | |||
| 20 | |||
| 19 | |||
| 16 | |||
| 12 | |||
| Texas Tech | |||
| Tulane | |||
| 11 | |||
| 10 | |||
| 9 | |||
| Washington State | |||
| 8 | |||
| 6 | |||
| 4 | |||
| Washington | |||
| Kansas | 3 | ||
| 2 | |||
| 1 |
| 50 yard freestyle | Wesleyan (CT) | 21.39 | ||
| 100 yard freestyle | UC Santa Barbara | 46.87 | ||
| 200 yard freestyle | Roy Saari (DC) | USC | 1:44.66 | |
| 500 yard freestyle | Roy Saari (DC) | USC | 4:50.59 | |
| 1,650 yard freestyle | Roy Saari (DC) | USC | 17:08.17 | |
| 100 yard backstroke | Gary Dilley (DC) | Michigan State | 52.39 | |
| 200 yard backstroke | Gary Dilley (DC) | Michigan State | 1:56.41 | |
| 100 yard breaststroke | Michigan | 1:00.43 | ||
| 200 yard breaststroke | USC | 2:14.24 | ||
| 100 yard butterfly | North Carolina | 51.19 | ||
| 200 yard butterfly | Michigan | 1:53.80 | ||
| 200 yard individual medley | Indiana | 1:58.55 | ||
| 400 yard individual medley | Indiana | 4:19.81 | ||
| 400 yard freestyle relay | USC | 3:08.05 | ||
| 800 yard freestyle relay | Indiana | 7:06.64 | ||
| 400 yard medley relay | Michigan | 3:33.36 |
| 1 meter diving | Ken Sitzberger (DC) | Indiana | 488.50 | |
| 3 meter diving | Arizona State | 538.90 |