Argentina competed at the 2015 Pan American Games in Toronto, Ontario, Canada, from July 10 to 26, 2015. On June 1, 2015, track cyclist and former Olympic gold medalist Walter Pérez was named as the country's flagbearer during the opening ceremony.
Canada competed in the 2015 Pan American Games in Toronto from July 10 to 26, 2015. As the host nation, the team competed in all 36 sports.
Colombia competed at the 2015 Pan American Games in Toronto, Canada from 10 July to 26 July 2015.
Guatemala competed in the 2015 Pan American Games in Toronto, Ontario, Canada from July 10 to 26, 2015.
Mexico competed in the 2015 Pan American Games in Toronto, Ontario, Canada from July 10 to 26, 2015.
The Dominican Republic competed in the 2015 Pan American Games in Toronto, Ontario, Canada from July 10 to 26, 2015. The country had 250 athletes in 26 sports.
Puerto Rico competed in the 2015 Pan American Games in Toronto, Canada, from July 10 to 26, 2015. Unlike the 2011 Pan American games, Puerto Rico did not perform well, earning only 1 gold and silver each, and 13 bronze medals.
The United States competed at the 2015 Pan American Games in Toronto, Canada, from July 10 to 26, 2015.
Venezuela competed in the 2015 Pan American Games in Toronto, Canada from July 10 to 26, 2015.
Gymnastics competitions at the 2015 Pan American Games in Toronto were held from 11 to 20 July at the Ricoh Coliseum; due to naming rights the venue was known as the Toronto Coliseum for the duration of the games. The competition was split into three disciplines, artistic, rhythmic and trampoline. Women competed in all three disciplines whereas the men only took part in the artistic and trampoline competitions.
Rugby sevens at the 2015 Pan American Games was held in Toronto, Ontario, Canada from July 11 to 12. The rugby sevens competition was held at BMO Field, although due to naming rights, the venue was known as Exhibition Stadium for the duration of the games. This was the second time that the men's competition was held, following rugby sevens's debut at the 2011 Games, with women's rugby sevens making its debut. A total of eight men's and six women's teams competed in each respective tournament.
Water polo competitions at the 2015 Pan American Games in Toronto was held from July 7 to 15 at the Markham Pan Am Centre in Markham. The water polo competitions was the first sporting event to be conducted at the games, beginning three days before the opening ceremony. This is because the Pan American Games were scheduled to be held roughly around the same time as the 2015 World Aquatics Championships scheduled for Kazan, Russia, thus the competition was moved forward to allow for a sufficient gap between the two events. A total of eight men's and women's teams competed in each respective tournament.
Baseball competitions at the 2015 Pan American Games in Toronto was held from July 11 to 26 at the Pan Am Ball Park, in Ajax, Ontario.
Fencing competitions at the 2015 Pan American Games in Toronto were held from July 20 to 25 at the Toronto Pan Am Sports Centre. Due to naming rights, the arena was known as the latter for the duration of the games. A total of twelve fencing events were held: six each for men and women.
The men's baseball tournament at the 2015 Pan American Games in Toronto, Canada was held at the Pan Am Ball Park in Ajax, Ontario from July 11 to 19. Two fields hosted competition, with the main one holding 4,000 spectators and the secondary one holding 1,000 seats.
The women's baseball tournament at the 2015 Pan American Games in Toronto, Canada, was held at the President's Choice Ajax Pan Am Ballpark in Ajax, from July 20 to 26. Women's baseball was making its Pan American Games debut, after being added to the program at the 2013 Pan American Sports Organization's general assembly. All women's matches happened on the main field.
The women's softball tournament at the 2015 Pan American Games in Toronto, Canada, held at the Pan Am Ball Park in Ajax, Ontario from July 19 to 26.
The men's softball tournament at the 2015 Pan American Games in Toronto, Canada, was held at the Pan Am Ball Park in Ajax, Ontario from July 12 to 18.
Softball competitions at the 2019 Pan American Games in Lima, Peru are scheduled to be held from July 25 to August 10. The venue for the competition is the softball stadium located at the Villa María del Triunfo cluster. A total of six men's and six women's teams competed in each tournament. This means a total of 180 athletes are scheduled to compete.
Canada competed in the 2019 Pan American Games in Lima, Peru from July 26 to August 11, 2019.
