| Juan Celaya | |
| Honorific Suffix: | OLY |
| Fullname: | Juan Manuel Celaya Hernández |
| Nationality: | Mexican |
| Birth Date: | 1 September 1998 |
| Birth Place: | San Nicolás de los Garza, Mexico |
| Height: | 5'6" |
| Country: | Mexico |
| Sport: | Diving |
| Event: | 3 m synchro |
Juan Manuel Celaya Hernández (born 1 September 1998) is a Mexican diver. He participated at the 2019 World Aquatics Championships, winning a medal.[1] He also competed in the men's synchronized 3 meter diving event at the 2021 Olympic Games held in Tokyo, where he placed fourth alongside partner Yahel Castillo.[2]
At the 2024 Paris Olympics he won the Silver Medal in synchronized diving.[3]