Chang Chang-sun (or Jang Chang-seon, Hangul: 장창선, Hanja: 張昌宣; born June 12, 1942) is a retired South Korean freestyle wrestler. He won a silver medal at the 1964 Summer Olympics and a world title in 1966.
|Born||June 12, 1942|
Incheon, South Korea
|Height||1.58 m (5 ft 2 in)|
|Weight||56 kg (123 lb)|
|Revised Romanization||Jang Chang-seon|
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