Diving at the 1991 Pan American Games was held from August 2 to August 18, 1991 in Havana, Cuba. There were three events, for both men and women.
| width=50 | Place | width=200 | Nation | width=50 | width=50 | width=50 | width=50 | Total | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | 3 | 1 | 9 | |||||||
| 2 | 1 | 1 | 3 | 5 | |||||||
| 3 | 0 | 1 | 2 | 3 | |||||||
| 4 | 0 | 1 | 0 | 1 | |||||||
| Total | 6 | 6 | 6 | 18 | |||||||
| 1m springboard | ||||
| 3m springboard | ||||
| 10m platform |