| Shinichiro Koyama | |
|---|---|
 Koyama with the Tohoku Rakuten Golden Eagles | |
| Tohoku Rakuten Golden Eagles – No. 75 | |
| Pitcher / Coach | |
| Born: June 13, 1978 Mie, Japan | |
Bats: Right Throws: Right | |
| NPB debut | |
| June 9, 1999, for the Chunichi Dragons | |
| NPB statistics | |
| Win–loss record | 28–36 |
| Earned run average | 3.87 |
| Strikeouts | 521 |
| Saves | 36 |
| Holds | 84 |
| Teams | |
| As player
As coach
| |
Shinichiro Koyama (小山 伸一郎, Koyama Shinichiro, born June 13, 1978) is a Nippon Professional Baseball pitcher for the Tohoku Rakuten Golden Eagles in Japan's Pacific League.