| Medal record | ||
|---|---|---|
| Men's swimming | ||
Representing  Japan | ||
| Olympic Games | ||
 | 2012 London | 400 m medley |
Kosuke Hagino (萩野公介, Hagino Kosuke; born August 15, 1994) is a Japanese athlete. He is best known as a swimmer who competed at the Summer Olympic Games.
| Medal record | ||
|---|---|---|
| Men's swimming | ||
| Representing Japan | ||
| Olympic Games | ||
| 2012 London | 400 m medley |
Kosuke Hagino (萩野公介, Hagino Kosuke; born August 15, 1994) is a Japanese athlete. He is best known as a swimmer who competed at the Summer Olympic Games.
He won a bronze medal in the Men's 400m individual medley at the 2012 Summer Olympics. His time of 4:10.01 was an Asian record.
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