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').