[1] Due to naming rights the arena will be known as the latter for the duration of the games.

[2] Due to Pan American Games being scheduled to be held roughly around the same time as the 2015 World Aquatics Championships scheduled for Kazan, Russia, the synchronized swimming events began the day before the opening ceremony (when events are traditionally not held until after the ceremony).

The number of athletes a nation has entered is in parentheses beside the name of the country.

A total of 80 synchronized swimmers qualified to compete at the games.

8 teams of nine athletes (including one reserve) along with an additional four duets qualified to compete at the games.