Kim Ji-hyun (badminton)
Kim Ji-hyun, also known as Jihyun Marr, is a former South Korean badminton player. She participated at the 1996 and 2000 Summer Olympics in the women's singles event. Kim who affiliated with the Samsung Electro-Mechanics team, won the women's singles title at the National Championships tournament in 1997 and 1998. She announced her retirement from the international tournament after the 2001 Korea Open.
She was a former coach at the BWF training academy in Saarbrucken, later joined the New Zealand, Korean, and Indian national team. Earlier in 2019, she helped India get its first gold in BWF World Championships in Basel where P. V. Sindhu became India's first badminton player to become World Champion. She worked as a coach for Indian national team until September 2019 when she resigned to take care of her ailing husband.
Achievements
Asian Championships
Women's singles| Year | Venue | Opponent | Score | Result |
| 1994 | Shanghai Gymnasium, Shanghai, China |  Liu Yuhong | 12–11, 7–11, 5–11 | Bronze |
East Asian Games
Women's singles| Year | Venue | Opponent | Score | Result |
| 1993 | Shanghai, China | Lin Xiaoming | 11–8, 11–12, 1–11 | Bronze |
World Junior Championships
The Bimantara World Junior Championships was an international invitation badminton tournament for junior players. It was held in Jakarta, Indonesia from 1987 to 1991.Girls' singles
| Year | Venue | Opponent | Score | Result |
| 1989 | Jakarta, Indonesia |  Camilla Martin | 11–5, 11–7 | Gold |
IBF World Grand Prix
The World Badminton Grand Prix sanctioned by International Badminton Federation since 1983.Women's singles
| Year | Tournament | Opponent | Score | Result |
| 2001 | Korea Open | Camilla Martin | 7–11, 11–8, 10–13 | Runner-up |
| 1999 | Swedish Open | Gong Ruina | 8–11, 5–11 | Runner-up |
| 1998 | Swedish Open | Gong Zhichao | 12–10, 11–8 | Winner |
| 1996 | Thailand Open | Wang Chen | 11–2, 5–11, 7–11 | Runner-up |
| 1994 | Swedish Open |  Bang Soo-hyun | 11–6, 5–11, 3–11 | Runner-up |
| 1994 | Korea Open | Bang Soo-hyun | 5–11, 5–11 | Runner-up |
| 1994 | Chinese Taipei Open |  Susi Susanti | 2–11, 5–11 | Runner-up |
IBF International
Women's singles| Year | Tournament | Opponent | Score | Result |
| 2002 | New Zealand International |  Lenny Permana | 7–2, 7–1, 7–1 | Winner |
| 1999 | Norwegian International | Wang Chen | 2–11, 11–3, 11–6 | Winner |
| 1999 | Hungarian International | Lee Soon-deuk | 11–6, 11–1 | Winner |
| 1991 | USSR International |  Elena Rybkina | 5–15, 7–15 | Runner-up |
Women's doubles
| Year | Tournament | Partner | Opponent | Score | Result |
| 1991 | USSR International | Kang Bok-seung | Natalja Ivanova Julia Martynenko | 10–15, 18–17, 12–15 | Runner-up |