Roman Catholic Diocese of Sinop

{{Short description|Catholic ecclesiastical territory}}

{{Infobox diocese

|jurisdiction = Diocese

|name = Sinop

|latin = Dioecesis Sinopensis

|image = Catedral Sagrado Coração de Jesus.JPG

|caption = Cathedral of St. Anthony

|country = Brazil

|province = Cuiabá

|rite = Latin Rite

|established = 6 February 1982 ({{age|1982|2|6}} years ago)

|cathedral = Catedral Santo Antônio

|cocathedral =

|area_km2 = 191,000

|population = 650,000

|population_as_of = 2014

|catholics = 534,000

|catholics_percent= 82.2

|pope = {{Incumbent pope}}

|bishop = Canisio Klaus

|coadjutor =

|auxiliary_bishops=

|emeritus_bishops =

|map = ProvinciaEclesiasticaCuiaba.jpg

|website =

}}

The Roman Catholic Diocese of Sinop ({{langx|la|Dioecesis Sinopensis}}) is a diocese located in the city of Sinop in the ecclesiastical province of Cuiabá in Brazil.