Jeon Do Yeon is a South Korean actress. She has won many awards in her career, including the best actress at the 2007 Cannes Film Festival for her portrayal of a broken woman who has lost everything in Lee Chang Dong's "Secret Sunshine".

Do Yeon spent five years starring in television dramas before achieving instant star status with her film debut opposite Han Suk Kyu in "The Contact". She went on to establish a reputation as a "chameleon" who can take on a wide variety of roles, from her performance as a doctor in the hit melodrama "A Promise", to that of a schoolgirl in "The Harmonium in My Memory", then a wife having an adulterous affair in "Happy End".

Do Yeon married businessman Kang Shi Gyu in a private wedding ceremony at Shilla Hotel on March 11, 2007. She gave birth to a daughter on January 22, 2009.