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.

[3] Women competed in all three disciplines whereas the men only took part in the artistic and trampoline competitions.

The following nations participated in artistic gymnastics at the 2015 Pan American Games.

[5][6] The following nations participated in rhythmic gymnastics at the 2015 Pan American Games.

[8] A total of 176 gymnasts are allowed to compete (114 in artistic, 46 in rhythmic and 16 in trampoline).