| Jhon Jairo Serna Mendoza | |
| Citizenship: | Colombian |
| Birth Date: | 1994 12, df=yes |
| Country: | Colombia |
| Sport: | Weightlifting |
| Weight Class: | 61 kg |
Jhon Serna is a Colombian weightlifter. He represented Colombia at the 2019 World Weightlifting Championships, as well as the 2019 Pan American Championships.[1]