Somdet Phra Ariyavangsagatayana Somdet Phra Sangharaja, or simply known as Ariyavangsagatayana VII, was briefly the 17th Supreme Patriarch of Thailand (1972–1973, 2515–2516 Thai calendar).

[1] He was born in 1896 as Pun Punnasiri in Song Phi Nong District, Suphan Buri Province.

His predecessor was Ariyavangsagatayana, 16th Supreme Patriarch of Thailand and his successor was Jinavajiralongkorn (Vasana Vasano).

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