Modern pentathlon at the 1999 Pan American Games

Modern pentathlon competitions at the 1999 Pan American Games in Winnipeg, Canada were held on July 31, 1999 at the Maples Complex. After being left of the Pan American Games program in 1991 and 1995, the sport made its return. A women's event was also contested for the first time.

Participating nations
A total of eight nations entered 24 modern pentathletes.