Byun Yo-han (born April 29, 1986) is a South Korean actor. Byun made his acting debut in 2011, and appeared in over 30 short films as a student of Korea National University of Arts. The then-unknown actor rose to fame in 2014 with a supporting role in the popular workplace cable series Misaeng. In 2015, he starred in leading roles in indie hit Socialphobia and the romantic comedy Ex-Girlfriend Club.