Roman Catholic Diocese of Lạng Sơn and Cao Bằng

Diocese of Lang Són et Cao Bang Dioecesis Langsonensis et Caobangensis Giáo phận Lạng Sơn Cao Bằng
Catholic
Location
Country	Vietnam
Ecclesiastical province	Hanoi
Metropolitan	Hanoi
Statistics
Area	18,359 km2 (7,088 sq mi)
Population - Total - Catholics	(as of 2022) 1,850,000 6,450 (0.3%)
Parishes	14
Information
Denomination	Roman Catholic
Sui iuris church	Latin Church
Rite	Roman Rite
Established	December 31, 1913 (as Apostolic Prefecture) July 11, 1939 (elevated as Apostolic Vicariate) November 24, 1960 (elevated as Diocese)
Cathedral	Cathedral of St Joseph in Lạng Sơn
Patron saint	Saint Dominic
Secular priests	28
Current leadership
Pope	Francis
Bishop	Joseph Chau Ngoc Tri
Metropolitan Archbishop	Joseph Vũ Văn Thiên
Map
Website
Website of the Diocese

The diocese of Lạng Sơn and Cao Bằng (Latin: Dioecesis Langsonensis et Caobangensis) is a Roman Catholic diocese in northern Vietnam's Lạng Sơn and Cao Bằng provinces.

Joseph Chau Ngoc Tri (vn) was appointed in 2016 as the diocese's bishop.

The creation of the diocese in its present form was declared on 24 November 1960. The diocese covers an area of 17,815 km², and is a suffragan diocese of the Archdiocese of Hanoi. By 2004, the diocese had 6,078 believers (0.5% of the population), 4 priests and 11 parishes. St. Joseph's Cathedral in Lạng Sơn has been assigned as the Cathedral of the diocese. In June 2007, fifty deacons were officially ordained in Lạng Sơn.

Ordinaries

Prefects apostolics of Lang Són et Cao Bang (1913-1939)

Prefect apostolic		Period in office	Status	Reference
1	Fr. Bertrand Cothonay, O.P.	1913 – 1924	Resigned
2	Fr. Marie-Dominique Maillet, O.P.	March 31, 1925 – 1930
–	Fr. Félix-Maurice Hedde, O.P.	June 01, 1929 – July 11, 1931	Apostolic administrator
3		November 20, 1931 – July 11, 1939	Remained, and later he became bishop and vicar apostolic of Lạng Sơn and Cao Bằng

Vicars apostolic of Lang Són et Cao Bang (1939-1960)

Prefect apostolic		Period in office	Status	Reference
1	Bishop Félix-Maurice Hedde, O.P.	July 11, 1939 – May 04, 1960	Died in office
2	Bishop Réginald-André-Paulin-Edmond Jacq, O.P.	May 04, 1960 – November 24, 1960	Resigned

Bishops of Lang Són et Cao Bang (1960-present)

Bishop			Coat of Arms	Period in office	Status	Reference
1		Bishop Vincent de Paul Phạm Văn Dụ		November 24, 1960 – September 02, 1998	Died in office
–		Cardinal Paul-Joseph Phạm Ðình Tụng	March 01, 1998 – September 02, 1998	Apostolic Administrator sede plena
			September 02, 1998 – June 06, 1999	Apostolic Administrator
2		Bishop Joseph Ngô Quang Kiệt		June 03, 1999 – February 19, 2005	Transferred to Hanoi.
3		Bishop Joseph Ðặng Ðức Ngân		October 12, 2007 – March 12, 2016	Transferred to Đà Nang
4		Bishop Joseph Châu Ngọc Tri		March 12, 2016 – present	Current bishop

Coadjutor Vicar Apostolic of Lang Són et Cao Bang (1948-1960)

Coadjutor vicar apostolic		Period in office	Reference
1	Bishop Réginald-André-Paulin-Edmond Jacq, O.P.	July 08, 1948 – May 04, 1960

Auxiliary Bishop of Lang Són et Cao Bang (1960)

Auxiliary Bishop		Period in office	Reference
–	Bishop-elect Vincent de Paul Phạm Văn Dụ	March 05, 1960 – November 24, 1960