The Roman Catholic Diocese of Rio do Sul () is a diocese located in the city of Rio do Sul in the ecclesiastical province of Joinville in Brazil.
History November 23, 1968: Established as Diocese of Rio do Sul from the Metropolitan Archdiocese of Florianópolis and Diocese of Joinville November 5, 2024: The diocese became a suffragan see of the newly promoted Archdiocese of Joinville
Bishops Bishops of Rio do Sul (Roman rite), in reverse chronological order Bishop Adalberto Donadelli Júnior (2024.07.07 – Present) Bishop Onécimo Alberton (2014.12.17 – 2023.11.01) appointed Auxiliary Bishop of Florianópolis, Santa Catarina Bishop Augustinho Petry (2008.03.19 – 2014.12.17), retired Bishop José Jovêncio Balestieri, S.D.B. (2000.08.30 – 2008.03.19), resigned Bishop Tito Buss (1969.03.12 – 2000.08.30), retired
Coadjutor bishops José Jovêncio Balestieri, S.D.B. (1998-2000) Augustinho Petry (2007-2008)
References GCatholic.org Catholic Hierarchy