| Tsutomu Iwamoto | |
| Position: | Pitcher / Coach |
| Birth Date: | 11 May 1971 |
| Birth Place: | Yao, Osaka, Japan |
| Bats: | Right |
| Throws: | Right |
| Debutleague: | NPB |
| Debutdate: | May 11 |
| Debutyear: | 1991 |
| Debutteam: | Nippon-Ham Fighters |
| Finaldate: | September 25 |
| Finalyear: | 2005 |
| Finalteam: | Hokkaido Nippon-Ham Fighters |
| Statleague: | NPB |
| Statyear: | 2005 |
| Stat1label: | Win–loss record |
| Stat1value: | 63–79 |
| Stat2label: | Earned run average |
| Stat2value: | 4.44 |
| Stat3label: | Strikeouts |
| Stat3value: | 885 |
| Stat4label: | Saves |
| Stat4value: | 3 |
| Teams: | As player |
| Highlights: |
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is a Japanese former Nippon Professional Baseball pitcher.[1]