| 1991 NCAA Division I Swimming and Diving Championships | |
| Hostcity: | Austin, Texas |
| Dates: | March 1991 |
| Venues: | Texas Swimming Center University of Texas |
| Previous: | 1990 |
| Next: | 1992 |
The 1991 NCAA Division I Men's Swimming and Diving Championships were contested in March 1991 at the Texas Swimming Center at the University of Texas in Austin, Texas at the 68th 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.
Hosts Texas topped the team standings, the Longhorns' fourth consecutive and fifth overall men's title.
| Rank | Team | Points | |
|---|---|---|---|
| Texas (DC) (H) | 476 | ||
| 420 | |||
| 313 | |||
| 312 | |||
| 249 | |||
| 245 | |||
| 195 | |||
| 183 | |||
| 179 | |||
| 168 |