Sarin Ronnakiat (สาริน รณเกียรติ; born January 4, 1995), nicknamed Inn (อิน), is a Thai actor under GMMTV. He graduated with a bachelor's degree from the Faculty of Architecture at Chulalongkorn University, majoring in Architectural Design.

He made his acting debut in 2018 with a supporting role in the series "Duang Jai Nai Fai Nhao" (ดวงใจในไฟหนาว).