| Jurisdiction: | Diocese |
| Chapecó | |
| Latin: | Dioecesis Xapecoënsis |
| Local: | Diocese de Chapecó |
| Country: |  Brazil |
| Rite: | Latin Rite |
| Established: | 14 January 1958 (years ago) |
| Cathedral: | Cathedral of St Anthony of Padua in Chapecó |
| Area Km2: | 15,663 |
| Population: | 715,000 |
| Population As Of: | 2006 |
| Catholics: | 593,000 |
| Catholics Percent: | 82.9 |
| Bishop: | Odelir José Magri, MCCI |
| Metro Archbishop: | Wilson Tadeu Jönck, SCI |
| Map: | File:Diocese de Chapecó.svg |
| Website: | www.diocesechapeco.org.br |
The Roman Catholic Diocese of Chapecó (Latin: Dioecesis Xapecoënsis) is a diocese located in the city of Chapecó in the ecclesiastical province of Florianópolis in Brazil.