Kim Ji-won (; born 6 August 1959 in Seoul) is a former South Korean boxer who was an unbeaten world champion in the super bantamweight division. He is one of just fifteen world boxing champions to retire without a loss.

Amateur career Kim began garnering attention in 1978 when he won the flyweight (-51 kg) gold medal at the Asian Junior Amateur Boxing Championships in Karachi, Pakistan.

In 1979, Kim won the gold medal in the flyweight division at the CISM Amateur Boxing Championships in Caracas, Venezuela, beating Oudahi Mohammad Amin of Algeria via first-round knockout in the final bout.

In February 1980, Kim participated in the Asian Amateur Boxing Championships held in Bombay, India. There he captured the gold medal in the flyweight division. In April 1980, Kim won the flyweight gold medal at the King's Cup Boxing, beating future World Amateur Boxing Championship bronze medalist Constantin Titoiu of Romania in the final bout.

In 1981, Kim won the bantamweight gold medal at the King's Cup Boxing, defeating future Commonwealth Games gold medalist Hussein Khalili of Kenya in the final.

Pro career On 17 May 1983 the southpaw defeated Chun Chan-jung for the Korean super bantamweight title. Four months later he fought Little Bangoyan for the vacant Oriental and Pacific Boxing Federation (OPBF) title, capturing it with a twelve-round decision. For the next year Kim made five defenses of his OPBF title against the likes of Lito Cortez (KO 2), Rolando Navarro (PTS 12), and Fel Malatag (TKO 6).

On 3 January 1985, he fought countryman and reigning International Boxing Federation super bantamweight champion Suh Sung-in. Kim won via a tenth round stoppage. Kim would make four successful defenses of his title against future WBO featherweight champion Ruben Dario Palacios (W15, 30 March 1985), former IBF super bantamweight champions Bobby Berna (KO 4, 28 June 1985) and Suh Sung-in (KO 1, 9 October 1985), and Rudy Casicas (KO 2, 2 May 1986).

In December 1986, he retired from boxing in order to become a theatrical actor and singer, finishing with a record of 16 wins, no losses, and two draws, both draws coming from the same boxer. He would become one of the few world champions to retire undefeated.

Personal life Kim has one sister, Ji-Sook, the Grand Bell Award winning actress, and one brother, Ji-Woon who is a world-acclaimed filmmaker.

Professional boxing record

ResultRecordOpponentTypeRoundDateLocationNotes18Win Rudy CasicasTKO2 (15)Jun 1, 1986 17Win15–0–2 Suh Sung-inKO1 (15)Oct 9, 1985 16Win14–0–2 Bobby BernaKO4 (15)Jun 28, 1985 15Win13–0–2 Rubén Darío PalacioUD15Mar 30, 1985 14Win12–0–2 Suh Sung-inKO10 (15)Jan 3, 1985 13Win11–0–2 Fel MalatagTKO6 (12)Sep 15, 1984 12Win10–0–2 Rolando NavarroPTS12Apr 8, 1984 11Win9–0–2 Saipa MonodKO4 (12)Feb 12, 1984 10Win8–0–2 Lito CortezKO2 (12)Dec 11, 1983 9Win7–0–2 Little BangoyanUD12Oct 29, 1983 8Win6–0–2 Chan Joong JunPTS10Sep 18, 1983 7Draw5–0–2 Neptali AlamagPTS10May 17, 1983 6Win5–0–1 Sandy NooraPTS10Feb 27, 1983 5Win4–0–1 Yoo Kyung HuhPTS10Dec 12, 1982 4Draw3–0–1 Neptali AlamagSD10Sep 10, 1982 3Win3–0 Efren QuintaPTS10Apr 17, 1982 2Win2–0 Danilo InocianPTS10Feb 28, 1982 1Win1–0 Hyung Shik AhnPTS8Jan 24, 1982

References