Kwon Do-kyun is a South Korean actor. He graduated from Kookmin University with a bachelor's degree in Theater.

He made his debut as a commercial model in 2013 for several brands. He then made his acting debut with a support role in the webdrama "Webtoon Hero - Tundra Show".

He was represented by Starhaus Entertainment and the company decided to launch a project group called ONE O ONE made up of 4 actors (Ahn Hyo Seop, Kwak Shi Yang, Go Wook and him). They debuted in October 2015 with the digital single "Love You" and released a few more singles until going inactive since mid-2017.

He is currently represented by DI Entertainment.