| Personal information | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nationality | Japanese | ||||||||||||
| Born | 18 September 1991 | ||||||||||||
| Height | 1.82 m (5 ft 11+1⁄2 in) | ||||||||||||
| Sport | |||||||||||||
| Sport | Handball | ||||||||||||
| Position | Left wing | ||||||||||||
| Current club | Toyoda Gosei | ||||||||||||
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Goki Koshio (小塩 豪紀, Koshio Gouki; born 29 April 1987) is a Japanese handball player for Toyoda Gosei and the Japanese national team.
He participated at the 2017 World Men's Handball Championship.