Šiauliai Julius Janonis Gymnasium (Lithuanian: Šiaulių Juliaus Janonio gimnazija) is a public secondary school in Šiauliai, Lithuania. Established in 1851, it is one of the oldest schools in Lithuania and has educated many prominent figures in Lithuanian culture and politics (including four signatories of the Act of Independence of Lithuania). It was named in honor of Julius Janonis in 1946 and offers education for grades 9 through 12.