| Seiko Kawamura | |
| Fullname: | Seiko Kawamura |
| Nickname: | Say |
| Birth Date: | May 23, 1984 |
| Birth Place: | Houfu, Yamaguchi, Japan |
| Spike: | 283 cm |
| Block: | 269 cm |
| Weight: | 64kg (141lb) |
| Position: | Setter |
| Currentclub: | Toyota Auto Body Queenseis |
| Currentnumber: | 6 |
Seiko Kawamura (河村 聖子 Kawamura Seiko, born 23 May 1984) is a Japanese volleyball player who plays for Toyota Auto Body Queenseis.