Kang Shin-cheol (born June 10, 1994), better known by the stage name Kang You-seok, is a South Korean actor. He began his career in 2018 with minor roles. He first gained attention for starring in the television series Light on Me (2021), Payback: Money and Power (2023), and Black Knight (2023) before coming to wider recognition for dramas When Life Gives You Tangerines (2025) and Resident Playbook (2025).