Supreme Patriarch of Thailand

Supreme Patriarch of the Rattanakosin Kingdom
สกลมหาสังฆปริณายกแห่งกรุงรัตนโกสินทร์
Insignia of the Supreme Patriarch
Incumbent Ariyavongsagatanana IX since 12 February 2017
Style	His Holiness
Member of	Sangha Supreme Council
Appointer	King of Thailand and countersigned by the Prime Minister
Term length	Lifetime
Formation	2325 BE (1782/83 CE)
First holder	Ariyavongsanana (Sri)

The Supreme Patriarch of Thailand or Sangharaja (Thai: สังฆราช; RTGS: Sangkharat) is the head of the order of Buddhist monks in Thailand. His full title is Somdet Phra Saṅgharāja Sakalamahāsaṅghapariṇāyaka (Thai: สมเด็จพระสังฆราช สกลมหาสังฆปริณายก; RTGS: Somdet Phra Sangkharat Sakonlamahasangkhaparinayok; 'the Supreme Patriarch, the Head of all Members of the Sangha').