Suriya Tatakhun, who boxes as Chonlatarn Piriyapinyo (nickname: klang (กลาง); born in Amnat Charoen District (presently: Amnat Charoen Province), Ubon Ratchathani Province, Thailand) is a Thai professional boxer who fights at featherweight. Piriyapinyo is dubbed as Sai-nam morana in Thailand. The nickname denotes "Deadly Tide" or "Crimson Tide", because his name "Chonlatarn" in Thai language means "river" or "stream". He has challenged for the world championship for three times but lost each time. He was the WBC Asian Boxing Council featherweight champion.