Ordained Bishop | Years | Name | Current Title |
3 Oct 1971 | 53.26
| Bishop Lawrence Thienchai Samanchit | Bishop Emeritus of Chanthaburi |
3 Jun 1973 | 51.59
| Michael Michai Cardinal Kitbunchu | Archbishop Emeritus of Bangkok |
18 Jun 1989 | 35.55
| Archbishop Luigi Bressan | Archbishop Emeritus of Trento, Italy |
15 Nov 1992 | 32.14
| Archbishop Adriano Bernardini | Apostolic Nuncio |
6 Jan 1999 | 26.00
| Archbishop Salvatore Pennacchio | President of the Pontifical Ecclesiastical Academy, Roman Curia |
23 Jan 1999 | 25.95
| Archbishop Louis Chamniern Santisukniram | Archbishop Emeritus of Thare and Nonseng |
6 Jan 2002 | 23.00
| Archbishop Giovanni d’Aniello | Apostolic Nuncio to Russian Federation |
6 Jan 2003 | 22.00
| Archbishop Paul Tschang In-Nam | Apostolic Nuncio to Netherlands |
28 Nov 2004 | 20.11
| Bishop Joseph Prathan Sridarunsil, S.D.B. | Bishop Emeritus of Surat Thani |
27 Jun 2006 | 18.53
| Bishop Philip Banchong Chaiyara, C.Ss.R. | Bishop Emeritus of Ubon Ratchathani |
10 Feb 2007 | 17.91
| Bishop Joseph Chusak Sirisut | Bishop of Nakhon Ratchasima |
2 Jun 2007 | 17.59
| Francis Xavier Kriengsak Cardinal Kovithavanij | Archbishop Emeritus of Bangkok |
1 May 2009 | 15.68
| Bishop Francis Xavier Vira Arpondratana | Bishop of Chiang Mai |
4 Jul 2009 | 15.51
| Bishop Silvio Siripong Charatsri | Bishop of Ratchaburi |
12 Sep 2009 | 15.32
| Bishop Joseph Pibul Visitnondachai | Bishop Emeritus of Nakhon Sawan |
6 Feb 2010 | 14.92
| Bishop Joseph Luechai Thatwisai | Bishop of Udon Thani |
19 Mar 2016 | 8.80
| Archbishop Peter Bryan Wells | Apostolic Nuncio to Thailand |
7 Jul 2018 | 6.50
| Bishop Joseph Vuthilert Haelom | Bishop of Chiang Rai |
15 Aug 2020 | 4.39
| Archbishop Anthony Weradet Chaiseri | Archbishop of Thare and Nonseng |
24 Feb 2024 | 0.87
| Bishop Stephen Boonlert Phromsena | Bishop of Ubon Ratchathani |
23 Mar 2024 | 0.79
| Bishop Paul Tawat Singsa | Bishop of Nakhon Sawan |
28 Sep 2024 | 0.27
| Bishop Paul Trairong Multree | Bishop of Surat Thani |
8 Feb 2025 | -
| Father Philip Adisak Phorn-Ngam | Bishop-Elect of Chanthaburi |