Singto Prachaya Ruangroj, born in Bangkok, Thailand, is a Thai actor under GMMTV. He attended the all-boys school Suankularb Wittayalai School before continuing his studies in Communication Arts at Bangkok University where he graduated in 2022.

Singto began in the entertainment industry through modeling. In 2015, he made his acting debut in the short film "Lie." He was signed as an actor under GMMTV until April 2021. After working freelance for a while, he signed with the company again in 2024.

Prachaya's first interest was working the behind the scenes in the industry. In fact, he did his internship at GMMTV as a trainee cameraman and stills photographer for variety programs such as "Toey Tiew Thai" and "School Bus".