| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Female | |
| Full name | Mai•Yamaguchi | |
| Used name | Mai•Yamaguchi | |
| Nick/petnames | Yume, Pearl | |
| Original name | 山口•舞 | |
| Born | 3 July 1983 in Aira, Kagoshima |  JPN |
| Measurements | 176 cm / 62 kg | |
| Affiliations | Okayama Seagulls — Okayama, Okayama | JPN |
| NOC | Japan | JPN |
| Medals | OG |
| Gold | 0 |
| Silver | 0 |
| Bronze | 1 |
| Total | 1 |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2012 Summer Olympics | Volleyball (Volleyball) | JPN |
Mai Yamaguchi | |||
| Volleyball, Women (Olympic) | Japan | 3 | Bronze | |||
| 2016 Summer Olympics | Volleyball (Volleyball) | JPN |
Mai Yamaguchi | |||
| Volleyball, Women (Olympic) | Japan | =5 |
