| Medal record | ||
|---|---|---|
| Men's Greco-Roman wrestling | ||
Representing  Japan
| ||
Olympic Games
 | ||
 |
1972 Munich | 52 kg |
 |
1976 Montreal | 52 kg |
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.
References
- Evans, Hilary; Gjerde, Arild; Heijmans, Jeroen; Mallon, Bill; et al. "Koichiro Hirayama". Olympics at Sports-Reference.com. Sports Reference LLC. Archived from the original on 17 April 2020. Retrieved 10 June 2012.
| Asian Games Champions in Wrestling – Men's Greco-Roman Flyweight | |
|---|---|
| 1962–1994: 52 kg • 1998: 54 kg | |
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- 1946 births
- Living people
- Olympic wrestlers for Japan
- Wrestlers at the 1972 Summer Olympics
- Wrestlers at the 1976 Summer Olympics
- Japanese male sport wrestlers
- Olympic silver medalists for Japan
- Olympic bronze medalists for Japan
- Olympic medalists in wrestling
- Asian Games medalists in wrestling
- Wrestlers at the 1974 Asian Games
- Medalists at the 1976 Summer Olympics
- Medalists at the 1972 Summer Olympics
- Medalists at the 1974 Asian Games
- Asian Games gold medalists for Japan
- 20th-century Japanese sportsmen
- Japanese Olympic medalist stubs
- Japanese sport wrestler stubs