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.
Cuba competed at 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.
Softball competitions at the 2015 Pan American Games in Toronto was held from July 12 to 26 at the Pan Am Ball Park, in Ajax, Ontario. Men's softball returned to the Pan American Games sports program after last being competed in 2003. A total of six men and women's teams competed in each tournament respectively.
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.
Archery competitions at the 2015 Pan American Games in Toronto was held from July 14 to 18 at Varsity Stadium. Just like in the Olympics, the archery competition was conducted using the recurve bow. A total of four archery events were held: two each for men and women.
Handball competitions at the 2015 Pan American Games in Toronto will be held from July 16 to 25 at the Direct Energy Centre. Due to naming rights the arena will be known as the latter for the duration of the games. A total of eight men's and women's teams will compete 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.
Tennis competitions at the 2015 Pan American Games in Toronto were held from July 10 to 16 at the Rexall Centre, which was known as the Canadian Tennis Centre for the duration of the games due to naming rights. A total of five events were contested. Argentina topped the medal table, with gold medals in the men's singles and mixed doubles, while hosts Canada also achieved gold in the women's doubles event.
Volleyball competitions at the 2015 Pan American Games in Toronto was held from July 16 to 26 at the Direct Energy Centre. Due to naming rights the arena was known as the latter for the duration of the games. A total of eight men's and women's teams competed in each respective tournament. The tournament was affected by the FIVB Volleyball World Grand Prix and the FIVB Volleyball World League which were played at same time.
Beach volleyball competitions at the 2015 Pan American Games in Toronto were held from July 13 to 21 at a temporary facility in Exhibition Place called the Chevrolet Beach Volleyball Centre. A total of two beach volleyball tournaments were held: one each for the men and women.
Taekwondo competitions at the 2015 Pan American Games in Toronto was held from July 19 to 22 at the Hershey Centre in Mississauga. Due to naming rights the arena will be known as the latter for the duration of the games. A total of eight taekwondo events were held: four each for men and women.
Golf competitions at the 2015 Pan American Games in Toronto was held from July 16 to 19 at the Angus Glen Golf Club in Markham. A total three golf events were held: a singles event for men and women, along with a mixed team event. Golf made its debut at the Pan American Games, after the sport was added to the 2016 Olympics in Rio de Janeiro, Brazil.
The women's basketball tournament at the 2015 Pan American Games was held in Toronto, Canada at the Ryerson Athletic Centre from July 16 to 20.
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 men's tournament of water polo at the 2015 Pan American Games in Toronto, Canada took place between the 7 and 15 of July at the Markham Pan Am Centre in Markham, Ontario. The winner of the competition qualified directly for the 2016 Summer Olympics in Rio de Janeiro, Brazil, while the second through fourth-place finishing teams qualified for the 2016 Men's Water Polo Olympic Games Qualification Tournament to be held in Florence, Italy.
This article shows the rosters of all participating teams at the women's basketball tournament at the 2015 Pan American Games in Toronto. Rosters can have a maximum of 12 athletes.
This article shows the rosters of all participating teams at the men's basketball tournament at the 2015 Pan American Games in Toronto. Rosters could have a maximum of 12 athletes.
Canada 
Brazil (6th title)
