| Olympic medal record | |||
| Men's Swimming | |||
|---|---|---|---|
| Silver | Helsinki 1952 | 4x200 m freestyle relay | |
Yoshihiro Hamaguchi (浜口 喜博 Hamaguchi Yoshihiro?, born June 23, 1926 in Kagawa) was a freestyle swimmer from Japan, who represented his native country at the 1952 Summer Olympics in Helsinki, Finland. There he won a silver medal as a member of the 4x200m freestyle relay team, alongside Toru Goto, Hiroshi Suzuki and Teijiro Tanikawa.
