| Jonava Jeronimas Ralys Gymnasium | |
| Native Name: | Jonavos Jeronimo Ralio gimnazija |
| Streetaddress: | 20 Žeimiai Str. |
| Postalcode: | LT-55125 |
| Country: | Lithuania |
| Coordinates: | 55.0806°N 24.275°W |
| Type: | Public, grades 9–12 |
| Language: | Lithuanian |
| Principal: | Zita Gudonavičienė |
| Students: | 565 |
| Employees: | 76 (July 2022)[1] |
| Url: | http://www.jralio.lt |
Jonavos Jeronimo Ralio gimnazija is a public gymnasium in Jonava, Lithuania. It was founded in 1941 and includes grades 9–12. The gymnasium's anthem was changed several times because of politic structure changes in Lithuania. The current anthem was recognized in 2011.