| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Naito•Ehara |
| Used name | Naito•Ehara |
| Original name | 江原•騎士 |
| Born | 30 July 1993 in Kofu, Yamanashi (JPN) |
| Measurements | 172 cm / 59 kg |
| Affiliations | Japan Self-Defense Forces (JSDF) Physical Training School (Kofu, JPN) |
| NOC | Japan |
| Medals | OG |
| Gold | 0 |
| Silver | 0 |
| Bronze | 1 |
| Total | 1 |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2016 Summer Olympics | Swimming (Aquatics) | JPN |
Naito Ehara | |||
| 400 metres Freestyle, Men (Olympic) | 31 | |||||
| 4 × 200 metres Freestyle Relay, Men (Olympic) | Japan | 3 | Bronze |