Shin Kyung Sun (born 1933) is a Korean master of judo and a pioneer of that art in the United States of America.

[3] He began training in the martial arts in 1943,[3] and was a long distance runner in high school.

[2] During the Korean War, he served in the Special Student Battalion of the Republic of Korea Army.

[2] He studied accounting part-time at the University of Chicago, and it was around this time that he met his future wife, Sandy Hamilton, a biochemistry student who is also a judo practitioner.

[5] Around 1967, he visited Seoul and discussed the possibility of a taekwondo tournament in Chicago with Choi Hong Hi, founder of the International Taekwon-Do Federation.