Nam Joo-hyuk (born February 22, 1994) is a South Korean model and actor. He began his career as a model and appeared in several music videos before making his screen debut in 2014 with the television series The Idle Mermaid. He gained wide recognition with his role in the dramas Who Are You: School 2015 (2015) and Weightlifting Fairy Kim Bok-joo (2016). In 2018, he had his film debut with The Great Battle, and achieved further prominence with dramas Start Up (2020) and Twenty-Five Twenty-One (2022). In 2021, Nam was included in Forbes 30 Under 30.