Rio Branco Sport Club, more commonly referred to as Rio Branco do Paraná or simply Rio Branco, is a Brazilian professional association football club in Paranaguá, Paraná which currently plays in Campeonato Paranaense Série Prata, the second division of the Paraná state football league.

On October 13, 1913, Rio Branco Sport Club was founded by Anibal José de Lima, Raul da Costa Pinto, Euclides de Oliveira, Manoel Victor da Costa, Antônio Gomes de Miranda, José de Oliveira, Antônio Ferrer da Rosa and Jarbas Nery Chichorro.

[2] In 1956, Rio Branco professionalized its football section, and disputed the Campeonato Paranaense Divisão Especial (which was the second division).

[3] In 1996, Rio Branco disputed the Campeonato Brasileiro Série C. The club was eliminated by Figueirense in the third stage.

[7] Rio Branco is nicknamed Leão da Estradinha, meaning Lion of the Little Road.