Shiro Oishi (Japanese: 大石 史郎, Hepburn: Ōishi Shirō, born 1942) is a Japanese-American judoka and Greco-Roman wrestler.

[2] In the US National championships, Oishi earned a Silver medal in 1966 and a Gold in 1969.

[3] Born in Japan, Oishi moved from Tokyo to New York as an art student, where in 1969 he opened a judo school.

[6] He holds an 8th dan black belt in judo.

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