Chronology of Catholic Dioceses:Laos
See a list of abbreviations used in this list. See also our listing of current ecclesial jurisdictions.
- 1662
- Siam (AV, established by the "Propaganda Fide" in Rome; missionaries sent from Cochin China and from Tonking) - Thailand
- 1841
- Eastern Siam (AV, new name, previously Siam AV) - Thailand
- 1899
- Laos (AV, detached from Eastern Siam AV) - Thailand, Laos
- 1938
- Vientiane and Luang-Prabang (AP, detached from Laos AV) - Laos
- 1950
- Thakhek (AP, detached from Laos AV) - Laos
- 1952
- Vientiane (AV, and new name, previously Vientiane and Luang-Prabang AP) - Laos
- 1958
- Thakhek (AV) - Laos
- 1963
- Savannakhet (AV, new name, previously Thakhek AV) - Laos
- 1963
- Luang Prabang (AV, detached from Vientiane) - Laos
- 1967
- Paksé (detached from Savannakhet AV) - Laos
