| 1938 NCAA Swimming and Diving Championships | |
| Hostcity: | New Brunswick, New Jersey |
| Venues: | College Avenue Gym Rutgers University |
| Teams: | 16 |
| Events: | 11 |
| Previous: | 1937 |
| Next: | 1939 |
The 1938 NCAA swimming and diving championships were contested at the College Avenue Gym at Rutgers University in New Brunswick, New Jersey at the 15th annual NCAA-sanctioned swim meet to determine the team and individual national champions of men's collegiate swimming and diving in the United States.
Michigan repeated as national champions, edging rivals Ohio State by one point (46–45) in the team standings. It was the Wolverines' second official national title.[1] [2]
| Michigan (DC) | 46 | |
| 45 | ||
| Harvard | 36 | |
| 22 | ||
| 18 | ||
| 7 | ||
| Rutgers (H) | 5 | |
| Army | 4 | |
| Stanford | ||
| Texas | ||
| Columbia | 3 | |
| Illinois | ||
| USC | ||
| Franklin & Marshall | 2 | |
| 1 | ||
| Pittsburgh |
| 50-yard freestyle | Ed Kirar (DC) | 23.2 | ||
| 100-yard freestyle | Ed Kirar (DC) | 52.7 | ||
| 220-yard freestyle | Harvard | 2:12.0 | ||
| 440-yard freestyle | Harvard | 4:48.9 | ||
| 1,500-meter freestyle | John Macionis (DC) | 20:15.2 | ||
| 150-yard backstroke | Princeton | 1:34.2 | ||
| 200-yard butterfly | Princeton | 2:23.4 | ||
| 400-yard freestyle relay | Michigan | 3:32.7 | ||
| 300-yard medley relay | Princeton | 2:54.7 |
| One-meter diving | Ohio State | 145.14 | ||
| Three-meter diving | Ohio State | 143.92 |