Kōkichi Tsuburaya, Japanese runner (d. 1968)
Kōkichi Tsuburaya (円谷 幸吉, Tsuburaya Kōkichi) (born Kokichi Tsumuraya (円谷 幸吉, Tsumuraya Kōkichi); May 13, 1940 – January 9, 1968) was a Japanese athlete who competed mainly as a marathoner. Kokichi was also a 1st lieutenant in the Japan Ground Self-Defense Force.