Roman Catholic Diocese of Belleville
Diocese of Belleville Diœcesis Bellevillensis  | |
|---|---|
Cathedral of Saint Peter  | |
Coat of arms  | |
| Location | |
| Country | United States | 
| Territory | 28 counties in southern Illinois | 
| Statistics | |
| Area | 11,678 sq mi (30,250 km2) | 
Population
 
  | 
 
 
  | 
| Parishes | 101 | 
| Information | |
| Denomination | Catholic | 
| Sui iuris church | Latin Church | 
| Rite | Roman Rite | 
| Established | January 7, 1887 (138 years ago) | 
| Cathedral | St. Peter's Cathedral | 
| Patron saint | Immaculate Heart of Mary | 
| Secular priests | 98 (45 active) | 
| Current leadership | |
| Pope | Leo XIV | 
| Bishop | Sede vacante | 
| Metropolitan Archbishop | Blase J. Cupich | 
| Bishops emeritus | Edward Braxton | 
| Map | |
| Website | |
| diobelle.org | |
The Diocese of Belleville (Latin: Diœcesis Bellevillensis) is a Latin Church ecclesiastical territory, or diocese, of the Catholic Church in the Southern Illinois region of the United States. It is a suffragan see in the ecclesiastical province of the metropolitan Archdiocese of Chicago.
The mother church for the diocese is the Cathedral of Saint Peter in Belleville.