Jung Woon-sun (정운선) is a South Korean actress born on April 10, 1983, in South Korea. She began her acting career in 2002.

She is best known as Shin So-yoon in Happiness (2021), a thriller and drama series. Her role placed her in the middle of the drama's tense story.

Happiness is part of the Oxfea catalogue, where viewers can find its story, cast and release details, and it remains the role Jung Woon-sun is best known for. The drama is listed in the Oxfea catalogue under Thriller and Drama.