Kim Yun-ja

Kim Yun-ja (, born May 15, 1963) is a retired female badminton player from South Korea. She is the last player to win All England Open titles in both singles and doubles.

In 1989, Kim married Sung Han-kook, a fellow world-class player who later went on to become the national team head coach. Sung and Kim's daughter Sung Ji-hyun is also a badminton player.

Career
She won two World Championship bronze medals in women's doubles, one at the 1985 IBF World Championships with Yoo Sang-hee, and another at the 1987 IBF World Championships with Chung So-young.

Asian Championships
Mixed doubles