Diocese of Kon Tum (Latin: Dioecesis Kontumensis) is a Roman Catholic diocese of Vietnam. The bishop since 2015 is Aloysius Gonzaga Nguyễn Hùng Vị. More than 16% of the million persons living in its area are Roman Catholics. Many of them belong to ethnic minorities.

The diocese covers an area of 25,728 km of central Vietnam. It is a suffragan diocese of the Archdiocese of Huế. It was erected as a Vicariate Apostolic on January 18, 1932. On November 24, 1960, it was elevated to a diocese. In 1967, some of the territory was split off to form the new Diocese of Ban Mê Thuột.

Vicar Apostolic		Period in office	Status	Reference
1	Bishop Martial-Pierre-Marie Jannin, M.E.P.	January 10, 1933 – July 16, 1940	Died in office
2	Bishop Jean-Liévin-Joseph Sion, M.E.P.	December 23, 1941 – August 19, 1951
3	Bishop Paul-Léon Seitz, M.E.P.	June 19, 1952 – November 24, 1960	Remains as Bishop of Kontum.

Bishop			Coat of Arms	Period in office	Status	Reference
1		Bishop Paul-Léon Seitz, M.E.P.		November 24, 1960 – October 02, 1975	Resigned
2		Bishop Alexis Phạm Văn Lộc		October 02, 1975 – April 08, 1995
3		Bishop Pierre Trần Thanh Chung		April 08, 1995 – July 16, 2003
4		Bishop Michel Hoàng Ðức Oanh		July 16, 2003 – October 07, 2015
5		Bishop Luy Gonzaga Nguyễn Hùng Vị		October 07, 2015 – present	Current Bishop

Coadjutor Bishops of Kontum (1975-1995)

Coadjutor Bishop			Period in office	Reference
1		Bishop Alexis Phạm Văn Lộc	March 27, 1975 – October 02, 1975
2		Bishop Pierre Trần Thanh Chung	March 26, 1981 – April 08, 1995

• General Information on the diocese

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