Jang Yoon-jeong (born August 16, 1970) is a South Korean actress, tv host and beauty pageant titleholder who was named Miss Korea 1987. She represented South Korea and was the first runner-up of the Miss Universe 1988 beauty contest. Porntip Nakhirunkanok was the winner of the competition.^[1]

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After the preliminaries, Jang Yoon-jeong was the highest-placed Asian delegate who ranked third behind the US and Dominican Republic. During the actual pageant, she placed 1st runner-up (second place) behind Thailand's Bui Simon. At the time of the Miss Universe 1988 pageant, she was a high school student studying dance. Korea has never won Miss Universe. Jang is the closest a Korean woman has come to winning since debuting in 1954. It would not be until 18 years later that a Korean woman (Lee Hanee) placed as third runner-up. Miss Universe 1988 was historic: 4 out of 5 contestants were from Asian countries, only the delegate of Mexico, Amanda Olivares was from the American region.