Koichiro Hirayama (平山 紘一郎, Hirayama Kōichirō, born 9 September 1946) is a Japanese former wrestler who competed in the 1972 Summer Olympics and in the 1976 Summer Olympics.[1]
| Medal record | ||
|---|---|---|
| Men's Greco-Roman wrestling | ||
| Representing | ||
| Olympic Games | ||
| 1972 Munich | flyweight | |
| 1976 Montreal | flyweight | |
Asian Games Wrestling Champions in Men's Greco-Roman Flyweight | |
|---|---|
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