| Kotomi Tosaki | |
| Fullname: | Kotomi Tosaki |
| Nickname: | Koto |
| Birth Date: | May 19, 1989 |
| Birth Place: | Gifu, Gifu, Japan |
| Spike: | 293cm |
| Block: | 275cm |
| Weight: | 84kg (185lb) |
| Position: | Middle Blocker |
| Currentclub: | Hitachi Sawa Rivale |
| Currentnumber: | 22 |
Kotomi Tosaki (戸崎 琴美 Tosaki Kotomi, born 19 May 1989) is a Japanese volleyball player who plays for Hitachi Sawa Rivale.
2008 - 1st AVC Women's Cup