Yoon Jin-seo
- Birthday: 8/5/1983
- Place of birth: Seoul, South Korea
- Fame for: Acting
- Also known as: 윤진서, Yun Jin-Seo, Yoon Jin Seo, Yoon Jin-suh, Yoon Jin-seo, 尹珍序
- Social networks: Instagram
Biography
Yun Jin-seo (born Yun Su-Kyeong, on August 5, 1983) is a South Korean actress who has starred in films such as Oldboy and A Good Day to Have an Affair.