Singha Sitthinon Rochanametakul is a singer and actor from Nakhon Si Thammarat, Thailand. Originally a soloist, in 2024, he debuted with the boy group Soi Boy (ซอยบอย) under R-Siam (อาร์สยาม). Their debut song "Ox Lek" (อ๊อกเหล็ก) was released on March 28, 2024.