Bishops
- Michel-Auguste-Marie Langer, M.E.P.: February 9 1967 - May 24 1976 (Resigned)
- Joseph Banchong Aribarg: May 24 1976 - November 5 1998 (Resigned)
- Louis Chamniern Santisukniram: November 5 1998 - July 1 2005 (became Archbishop of Thare and Nonseng)
- Francis Xavier Kriengsak Kovitvanit: appointed March 7 2007 - May 15 2009 (became Archbishop of Bangkok)
- Joseph Pibul Visitnondachai: appointed 19 June 2009
Read more about this topic: Roman Catholic Diocese Of Nakhon Sawan