| Event: | Modern pentathlon |
| Games: | 1999 |
| Dates: | July 31, 1999 |
| Venue: | Maples Complex |
| Competitors: | 24 |
| Nations: | 8 |
| Prev: | 1987 |
| Next: | 2003 |
Modern pentathlon competitions at the 1999 Pan American Games in Winnipeg, Canada were held on July 31, 1999 at the Maples Complex.[1] After being left of the Pan American Games program in 1991 and 1995, the sport made its return.[2] A women's event was also contested for the first time.[2]
| Men's | |||
| Women's | |||
A total of eight nations entered 24 modern pentathletes.[1]