|Representing South Korea|
|1996 Atlanta||-56 kg|
|1995 Chiba||-56 kg|
|1989 Belgrade||-56 kg|
|1994 Hiroshima||-56 kg|
|1991 Osaka||-56 kg|
|1993 Macau||-56 kg|
|1995 New Delhi||-56 kg|
|1988 Damascus||-56 kg|
|Revised Romanization||Jeong Seon-yon|
At the age of 14, she was the youngest judoka ever to represent South Korea in 1985.
Jung won two medals at the 1989 and 1995 World Championships, and also gained a silver medal in the lightweight division at the 1996 Summer Olympics.
Jung won the Asian Championship three consecutive times, the Fukuoka International Female Judo Championship five times, and the Paris Open (Tournoi de Paris) three times.
She retired right after the 1996 Olympics, and currently serves as a teacher in elementary school.
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