| 6 in 2 sports|
| Federacíon Guatemaltecá de Natacíon|
Guatemala competed at the 2015 World Aquatics Championships in Kazan, Russia from 24 July to 9 August 2015.
Guatemala at the 2015 World Aquatics Championships Wikipedia
Guatemala has qualified two swimmers to compete in the open water marathon.
Guatemalan swimmers have achieved qualifying standards in the following events (up to a maximum of 2 swimmers in each event at the A-standard entry time, and 1 at the B-standard):Men