Roman Catholic Archdiocese of Saigon

The Metropolitan Archdiocese of Saigon (Tổng giáo phận đô thành Sài Gòn, Archidioecesis Metropolitanae Saigonensis) or Archdiocese of Ho Chi Minh City (Tổng giáo phận Thành phố Hồ Chí Minh, Archidioecesis Hochiminhopolitana) is a Roman Catholic ecclesiastical territory in the south of Vietnam. By far the largest diocese in the country by population of people and second in the number of Catholics, yet like most big cities it only covers a small area of 2,390 km2.

The suffragan dioceses are:
 * Diocese of Bà Rịa
 * Diocese of Cần Thơ
 * Diocese of Đà Lạt
 * Diocese of Long Xuyên
 * Diocese of Mỹ Tho
 * Diocese of Phan Thiết
 * Diocese of Phú Cường
 * Diocese of Vĩnh Long
 * Diocese of Xuân Lộc.

Immaculate Conception Cathedral Basilica (Vương cung thánh đường Chính tòa Đức Mẹ Vô nhiễm Nguyên tội - Nhà thờ Đức Bà Sài Gòn) in Ho Chi Minh City has been assigned as the cathedral of the archdiocese. There are also Saint Francis Xavier Church, Jeanne d'Arc Church, Saint Joseph Church, Sacred Heart Church, Saint Philip Church, Tân Định Church.

By 2004, the Metropolitan Archdiocese of Ho Chi Minh City had about 602,478 believers (11.0% of the population), 519 priests and 195 parishes.

The Metropolitan Archdiocese of Ho Chi Minh city is a "sister" diocese of the Roman Catholic Archdiocese of Los Angeles (United States) since 2008.

The archdiocese ministers often take part in international exchanges and contacts, though with special permission of the Vietnamese authorities.

The young Catholics from the Metropolitan Archdiocese of Ho Chi Minh city and Archdiocese of Hanoi formed in 2006 an organization for helping children in rural and underdeveloped areas of Vietnam. The Metropolitan Archdiocese of Ho Chi Minh City regularly organizes special mass events including the Youth Day in December 2007, which was attended by more than 7 000 young people, who take part in volunteer and charitable activities, and two prayer vigils "God is rich in compassion" in March 2008 with the participation of several thousand faithful.

There is a center of social work organized by the Metropolitan Archdiocese of Ho Chi Minh city, which consists of priests, laypeople and members of civil groups. The center is occupied with three main problems: helping street children, activities to reduce HIV/AIDS level and help its victims, social and psychological work with prostitutes to get them off the streets.

Name
Since its establishment in 1844, this archdiocese has gone through various names: Vicariate Apostolic of West Tonkin (1844 - 1924), Vicariate Apostolic of Saigon (1924 - 1960), and then the Archdiocese of Saigon (from 1960).

Nowadays, this archdiocese is called the Archdiocese of Ho Chi Minh City, after the administrative name of the city, and in its communications, the Vatican uses this name.

In reality, the name Archdiocese of Saigon is still used in the documents of the Catholic Church in Vietnam. Additionally, sometimes the name used is the Archdiocese of Saigon - Ho Chi Minh City.

Cathedral
Notre Dame Cathedral in Ho Chi Minh City is considered to be one of the main city attractions and one of the most beautiful buildings in all Vietnam. It was built from 1877 to 1880 by the French architect J. Bourad, has a Neo-Romanesque façade with twin towers and a statue of the Virgin Mary in the center front.

Vicars Apostolic of Western Cochin

 * Dominique Lefèbvre (11 March 1844 – 28 August 1864)
 * Jean-Claude Miche (9 September 1864 – 1 December 1873)
 * Isidore-François-Joseph Colombert (1 December 1873 – 31 December 1894)
 * Jean-Marie Dépierre (12 April 1895 – 17 October 1898)
 * Lucien-Emile Mossard (11 February 1899 – 12 February 1920)
 * Victor-Charles Quinton (11 February 1920 – 4 October 1924)

Vicars Apostolic of Sài Gòn

 * Isidore-Marie-Joseph Dumortier (17 December 1925 – 16 February 1940)
 * Jean Cassaigne (20 February 1941 – 20 September 1955)
 * Simon Hòa Nguyễn Văn Hiền (20 September 1955 – 24 November 1960)

Archbishops of Ho Chi Minh City
From 1960 to 1976, the archbishop was titled Archbishop of Saigon.
 * 1) Paul Nguyễn Văn Bình (24 November 1960 – 1 July 1995)
 * 2) * Nicolas Huỳnh Văn Nghi (8 August 1993 – 1 March 1998), Apostolic administrator
 * 3) Jean-Baptiste Phạm Minh Mẫn (1 March 1998 – 22 March 2014) (elevated to Cardinal in 2003)
 * 4) Paul Bùi Văn Đọc (22 March 2014 – 6 March 2018)
 * 5) * Joseph Đỗ Mạnh Hùng (8 March 2018 – 19 October 2019), Apostolic administrator
 * 6) Joseph Nguyễn Năng (19 October 2019 – )

Coadjutor archbishops

 * François-Xavier Nguyễn Văn Thuận (24 April 1975 - 24 November 1994), did not succeed to the see; appointed Vice President of the Pontifical Council for Justice and Peace and later President (elevated to Cardinal in 2001)
 * Paul Bùi Văn Đọc (28 September 2013 - 22 March 2014)

Auxiliary Bishops

 * 1) François-Xavier Trần Thanh Khâm (14 October 1965 – 2 October 1976)
 * 2) Nicolas Huỳnh Văn Nghi (1 July 1974 – 19 March 1975), appointed Apostolic Administrator and then Bishop of Phan Thiết (later appointed Apostolic Administrator here)
 * 3) Aloisius Phạm Văn Nẫm (3 December 1977 – 30 September 1999)
 * 4) Joseph Vũ Duy Thống (4 July 2001 – 25 July 2009), appointed Bishop of Phan Thiết
 * 5) Pierre Nguyễn Văn Khảm (15 October 2008 – 26 July 2014), appointed Bishop of Mỹ Tho
 * 6) Joseph Đỗ Mạnh Hùng (25 June 2016 – 3 December 2019), was concurrently Apostolic Administrator here and later appointed as Bishop of Phan Thiết
 * 7) Louis Nguyễn Anh Tuấn (25 August 2017 – 25 March 2023), was concurrently appointed Apostolic Administrator and later Bishop of Diocese of Hà Tĩnh
 * 8) Joseph Bùi Công Trác (1 November 2022 – present)

Other secular clergy who became bishops

 * Jean-Baptiste Nguyễn Bá Tòng, appointed Vicar Apostolic of Phát Diệm and Titular Bishop of Sozopolis in Hæmimonto in 1933 (Apostolic Administrator there in 1944)
 * Paul Nguyễn Văn Bình, appointed Vicar Apostolic of Cần Thơ and Titular Bishop of Agnusiensi in 1955 and later appointed Archbishop here in 1960
 * Antoine Nguyễn Văn Thiện (priest here, 1932-1955), appointed Bishop of Vĩnh Long in 1960
 * Joseph Trần Văn Thiện (priest here, 1935-1938), appointed Bishop of Mỹ Tho in 1960
 * Philippe Nguyễn Kim Điền (priest here, 1947-1956), appointed  Bishop of Cần Thơ in 1960 and later Titular Archbishop of Parium and Apostolic Administrator of Huế (later Archbishop there in 1968)
 * Michel Nguyễn Khắc Ngữ (incardinated in 1954), appointed Bishop of Long Xuyên in 1960
 * Jacques Nguyễn Ngọc Quang (priest here, 1935-1938), appointed Coadjutor Bishop of Cần Thơ in 1965 and later succeeded
 * Joseph Phạm Văn Thiên, appointed Bishop of Phú Cường in 1965
 * Jacques Nguyễn Văn Mầu, appointed Bishop of Vĩnh Long in 1968
 * Barthélémy Nguyễn Sơn Lâm (priest here, 1957-1960), appointed Bishop of Đà Lạt in 1975 and later Bishop of Thanh Hóa
 * Jean Baptiste Bùi Tuần (priest here, 1955-1960), appointed Coadjutor Bishop of Long Xuyên in 1975 and later succeeded
 * André Nguyễn Văn Nam (priest here, 1952-1960), appointed Coadjutor Bishop of Mỹ Tho in 1975 and later succeeded
 * Jacques Huỳnh Văn Của (priest here, 1941-1965), appointed Coadjutor Bishop of Phú Cường and Titular Bishop of Mizigi in 1976
 * Louis Hà Kim Danh (priest here, 1940-1955), appointed Coadjutor Bishop of Phú Cường in 1982 and later succeeded
 * Joseph Đinh Đức Đạo, appointed Auxiliary Bishop of Xuân Lộc and Titular Bishop of Gadiaufala in 2013 and later Coadjutor there (succeeded in 2016)
 * Joseph Đỗ Quang Khang, appointed Coadjutor Bishop of Bắc Ninh in 2021 and later succeeded
 * Peter Kiều Công Tùng, appointed Bishop of Phát Diệm in 2023