Fluke Natouch Siripongthon is a Thai actor born in Lamphun. He graduated from the Faculty of Arts, Department of English at Dhurakij Pundit University. Fluke is currently studying for a Master's degree at Chulalongkorn University. He was originally known as Pongsatorn Sripinta, but in 2019 Fluke changed his name to Natouch Siripongthon. He is openly gay.

Natouch signed a contract with Workpoint Entertainment, following Vayuphon Film Production. Currently, the contract has expired and he is a freelance actor.