Sung Joon (born Bang Sung-joon, July 10, 1990) is a South Korean actor and model. He is best known for his leading roles in the television series "Flower Band" (2012), "Can We Get Married?" (2012), "I Need Romance 3" (2014), "High Society" (2015), and "Madame Antoine: The Love Therapist" (2016). He also appeared in the films "Dangerously Excited" (2012), "Horror Stories 2" (2013), "Pluto" (2013), and "The Villainess" (2017).

Sung Joon was nominated for the Baeksang Popularity Award for Men in Television for his role in "Madame Antoine: The Love Therapist" (2016) and for the Baeksang Popularity Award for Men in Film for his role in "Pluto" (2014).