Chang Jung-koo

South Korean boxer

張正九 · 장정구

Born

4 February 1963, Busan

Citizenship

South Korea

Sport

boxing

Discipline

light flyweight

Occupation

boxer

Recorded fight record

38 wins, 4 losses

Chang Jung-Koo (Korean: 장정구; Hanja: 張正九, born February 4, 1963) is a South Korean former professional boxer who competed from 1980 to 1991. He held the WBC light-flyweight title from 1983 to 1988.

Awards and honours

• International Boxing Hall of Fame 2010
• WBC World Light Flyweight Champion

External links

• Wikipedia
• BoxRec
• Wikidata

Facts from Wikidata Q491728 (CC0); quoted introduction from English Wikipedia (CC BY-SA 4.0). Data retrieved 2026-10-22.

Data: Wikidata (CC0 1.0); Wikipedia (English) (CC BY-SA 4.0). Retrieved 2026-10-22.