The Universidade Federal do Estado do Rio de Janeiro (Unirio) is a public law foundation that is part of the Federal Higher Education System. It originated from the Federação das Escolas Federais Isoladas do Estado da Guanabara (FEFIEG).

Unirio offers undergraduate and graduate programs in the most diverse areas of knowledge, aiming to train citizens with knowledge and critical reflection to contribute to the transformation of society, through solutions that promote sustainable development. The entire teaching of the university is focused on the search, production, and socialization of knowledge and techniques, being used as an educational resource for ethical, scientific, and cultural training.