Toshirō Daigo (醍醐敏郎, Daigo Toshirō, 2 January 1926 – 10 October 2021) was a Japanese judo player. He was the Chief Instructor at the Kodokan and a manager of the Japanese national team. Before his death, he was one of only three living Kodokan 10th dan. He was born in Chiba Prefecture, Japan. He was All-Japan Judo Champion in 1951 and 1954.
Daigo died on 10 October 2021, at the age of 95.