| Yun Kwae-byung | |
|---|---|
| Born | 1922 |
| Died | 2000 |
| Other names | Yoon Kwe-byung, Yoon Kwei-Byung, In Giei, In Gekka, Yun Gekka |
| Style | Shudokan Karate, Shito-Ryu Karate, Bogutsuki Karate, Kong Soo Do (Yun Mu Kwan) |
| Teacher(s) | Kenwa Mabuni, Kanken Toyama, Chun Sang Sup |
Yun Kwae-byung (Korean: 윤쾌병; Hanja: 尹快炳; 1922–2000), alternatively Yoon Kwe-byung or Yoon Kwei-Byung, was a Korean martial artist and an notable figure in history of modern Japanese and Korean martial arts. He was the head of the influential Kanbukan Dojo, that would pioneer bogutsuki karate and full contact karate, as well as being the first headmaster of Jidokwan school, one of the original kwans that would eventually unite and found Taekwondo.
In Japan, his name is often transliterated as In Giei, In Gekka, Yun Gekka or other close variations.