Roman Catholic Diocese of Kon Tum

Diocese of Kon Tum () 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 km² 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.