Bishops
- Francis Xavier Vira Arpondratana: February 10, 2009 - present
- Joseph Sangval Surasarang: October 17, 1986 - February 10, 2009 (resigned)
- Robert Ratna Bamrungtrakul: April 28, 1975 - October 17, 1986 (resigned)
- 1959-1975 the prefecture and later diocese was administrated by Bf. Lucien Bernard Lacoste, bishop of Dali.
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