| Bishop Ordinaries of Thailand (17) | Age | Date of
Birth |
 Cardinal Michael Michai Kitbunchu (97), Cardinal-Priest of S. Lorenzo in Panisperna, Protopriest of College of Cardinals and Metropolitan Archbishop emeritus of Bangkok (Thailand) | 97 | 1929.01.25 |
 Bishop Lawrence Thienchai Samanchit (94), Bishop emeritus of Chanthaburi (Thailand) | 94 | 1931.11.28 |
 Archbishop Louis Chamniern Santisukniran (83), Metropolitan Archbishop emeritus of Thare and Nonseng (Thailand) | 83 | 1942.10.30 |
| Bishop Philip Banchong Chaiyara, C.SS.R. (81), Bishop emeritus of Ubon Ratchathani (Thailand) | 81 | 1945.01.30 |
| Bishop Joseph Prathan Sridarunsil, S.D.B. (80), Bishop emeritus of Surat Thani (Thailand) | 80 | 1946.02.09 |
| Bishop Joseph Pibul Visitnondachai (79), Bishop emeritus of Nakhon Sawan (Thailand) | 79 | 1946.06.01 |
 Cardinal Francis Xavier Kriengsak Kovithavanij (76), Cardinal-Priest of S. Maria Addolorata and Metropolitan Archbishop emeritus of Bangkok (Thailand) | 76 | 1949.06.27 |
 Bishop Joseph Vuthilert Haelom (74), Bishop of Chiang Rai (Thailand) | 74 | 1951.12.17 |
| Bishop Philip Adisak Phorn-Ngam (71), Bishop of Chanthaburi (Thailand) | 71 | 1954.11.19 |
 Archbishop Francis Xavier Vira Arpondratana (70), Metropolitan Archbishop of Bangkok (Thailand) and President of Catholic Bishops’ Conference of Thailand | 70 | 1955.10.03 |
| Bishop Joseph Chusak Sirisut (70), Bishop of Nakhon Ratchasima (Thailand) and General Secretary of Catholic Bishops’ Conference of Thailand | 70 | 1956.02.24 |
| Bishop Silvio Siripong Charatsri (66), Bishop of Ratchaburi (Thailand) | 66 | 1959.12.10 |
| Bishop Stephen Boonlert Phromsena (66), Bishop of Ubon Ratchathani (Thailand) | 66 | 1960.02.24 |
| Bishop Joseph Luechai Thatwisai (63), Bishop of Udon Thani (Thailand) | 63 | 1962.12.02 |
| Archbishop Anthony Weeradet Chaiseri (62), Metropolitan Archbishop of Tharé–Nonseng (Thailand) and Vice-President of Catholic Bishops’ Conference of Thailand | 62 | 1963.06.26 |
| Bishop Paul Tawat Singsa (60), Bishop of Nakhon Sawan (Thailand) | 60 | 1966.03.13 |
| Bishop Paul Trairong Multree (49), Bishop of Surat Thani (Thailand) | 49 | 1976.09.07 |
