Roman Catholic Diocese of Manchester
| Diocese of Manchester Diocensis Manchesteriensis | |
|---|---|
| Catholic | |
| Cathedral of St. Joseph | |
| Coat of arms | |
| Location | |
| Country | United States | 
| Territory | New Hampshire | 
| Ecclesiastical province | Boston | 
| Metropolitan | Boston | 
| Headquarters | Manchester, New Hampshire | 
| Coordinates | 42°59′52″N 71°27′17″W / 42.99773010°N 71.45476170°W | 
| Statistics | |
| Area | 9,305 sq mi (24,100 km2) | 
| Population 
 
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 | 
| Information | |
| Denomination | Catholic | 
| Sui iuris church | Latin Church | 
| Rite | Roman Rite | 
| Established | April 15, 1884 | 
| Cathedral | Cathedral of Saint Joseph | 
| Patron saints | Saint Joseph Saint Patrick | 
| Current leadership | |
| Pope | Leo XIV | 
| Bishop | Peter Anthony Libasci | 
| Metropolitan Archbishop | Richard Henning | 
| Bishops emeritus | Francis Joseph Christian Auxiliary Bishop Emeritus (1996-2018) | 
| Map | |
| Website | |
| www | |
The Diocese of Manchester (Latin: Diocensis Manchesteriensis) is a Latin Church ecclesiastical territory, or diocese, of the Catholic Church for New Hampshire in the United States. It is a suffragan diocese in the ecclesiastical province of the metropolitan Archbishop of Boston.
The mother church of the Diocese of Manchester is the Cathedral of St. Joseph in Manchester. Its patron saints are St. Joseph and St. Patrick.