Diocese of Chiang Mai, Thailand

Rite: Roman (Latin)

Name: Chiang Mai / สังฆมณฑลเชียงใหม่ (ไทย) / 清邁 (正體中文) / Chiangmaien(sis) (Latin)

Ecclesiastical Province: Bangkok

Websites:

1959.11.17: Established as Apostolic Prefecture of Chieng-Mai / Chiengmaien(sis) (Latin) (from Apostolic Vicariate of Bangkok)
1965.12.18: Promoted as Diocese of Chieng-Mai / Chiengmaien(sis) (Latin) (became suffragan of Bangkok)
1969.07.02: Renamed as Diocese of Chiang Mai / สังฆมณฑลเชียงใหม่ (ไทย) / 清邁 (正體中文) / Chiangmaien(sis) (Latin)
1970.06.20: Lost territory to Diocese of Nakhon Sawan
2018.04.25: Lost territory to establish Diocese of Chiang Rai

Bishop:

vacant

Bishops of Chiang Mai (Roman Rite)

Bishop Francis Xavier Vira Arpondratana (69) (later Archbishop)
(2009.02.10 – 2025.01.11)

Priest of Bangkok (Thailand) (1981.06.07 – 2009.02.10)

Bishop of Chiang Mai (Thailand) (2009.02.10 – 2025.01.11)

Apostolic Administrator of Bangkok (Thailand) (2024.06.27 – 2025.01.11)

Metropolitan Archbishop of Bangkok (Thailand) (2025.01.11 – ...)

Bishop Joseph Sangval Surasarang
(1986.10.17 – 2009.02.10)

Bishop of Chiang Mai (Thailand) (1986.10.17 – 2009.02.10)

Bishop Robert Ratna Bamrungtrakul
(1975.04.28 – 1986.10.17)

Bishop of Ratchaburi (Thailand) (1969.06.26 – 1975.04.28)

Bishop of Chiang Mai (Thailand) (1975.04.28 – 1986.10.17)

Bishop Lucien-Bernard Lacoste (鄭紹基), S.C.I. di Béth.
(Apostolic Administrator 1959 – 1975.04.28)

Area: 48,013 km²

Population: 55,752 Catholics (1.8% of 3,142,985 total)

Pastoral Centres: 34 parishes, 7 missions

Personnel: 92 priests (44 diocesan, 48 religious), 224 religious (94 brothers, 130 sisters), 16 seminarians