Toshirō Daigo (醍醐敏郎, Daigo Toshirō, 2 January 1926 – 10 October 2021) was a Japanese judoka who was the Chief Instructor at the Kodokan and a manager of the Japanese national team.

[1] Before his death, he was one of only three living Kodokan 10th dan (and one of only 15 to have attained this rank), having been promoted at the New Year Kagami biraki Ceremony, 8 January 2006, along with Ichiro Abe and Yoshimi Osawa.

He was All-Japan Judo Champion in 1951 and 1954, and the author of Kodokan Judo: Throwing Techniques, a definitive text on judo throws.

Daigo died on 10 October 2021, at the age of 95.

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