List of Japanese boxing world champions

Japan ranks fourth worldwide between countries with the most boxing world champions.

Notable achievements in that period were Kuniaki Shibata's attainment of 3 world championships in two divisions,[4] Guts Ishimatsu captured the WBC lightweight championship becoming the first Japanese champion in the lightweight division.

[5] Koichi Wajima, one of the most popular boxers in Japan for his peculiar "Frog Jump" uppercut punch, also left a big footstep in Japan's boxing history by winning junior middleweight championship 3 times including 6 consecutive title defenses.

[6] The following is a list of Japanese boxing champions who have held titles from one or more of the "Big Four" organizations (WBA, WBC, IBF, WBO) and The Ring.

WBA has four recognized world champions, Super, Undisputed, Unified, and Regular.

Yoshio Shirai was crowned Japan's first world champion in 1952.