Roman Catholic Diocese of Green Bay

Diocese of Green Bay

Dioecesis Sinus Viridis
St. Francis Xavier Cathedral
Coat of arms
Location
Country United States
TerritoryBrown, Calumet, Door, Florence, Forest, Kewaunee, Langlade, Manitowoc, Marinette, Menominee, Oconto, Outagamie, Shawano, Waupaca, Waushara and Winnebago counties, Wisconsin
Ecclesiastical provinceMilwaukee
Statistics
Area10,728 sq mi (27,790 km2)
Population
  • Total
  • Catholics
  • (as of 2006)
  • 998,800
  • 369,556 (37%)
Parishes169
Information
DenominationCatholic
Sui iuris churchLatin Church
RiteRoman Rite
EstablishedMarch 3, 1868 (157 years ago)
CathedralSt. Francis Xavier Cathedral
Patron saintSt. Francis Xavier
Current leadership
PopeLeo XIV
BishopDavid Laurin Ricken
Metropolitan ArchbishopJeffrey S. Grob
Bishops emeritusRobert Joseph Banks
Robert Fealey Morneau
Map
Website
gbdioc.org

The Roman Catholic Diocese of Green Bay (Latin: Diocesis Sinus Viridis) is a Latin church diocese in the northeast region of Wisconsin in the United States. It is a suffragan diocese of the Archdiocese of Milwaukee. Its mother church is the Cathedral of Saint Francis Xavier in Green Bay.

The diocese was erected on March 3, 1868, by Pope Pius IX. The bishop of Green Bay as of October 2024 is David Ricken.