| Seiji Tahara | |
| Position: | Pitcher |
| Team: | Free Agent |
| Bats: | Left |
| Throws: | Right |
| Birth Date: | 2 September 1989 |
| Birth Place: | Nobeoka, Miyazaki, Japan |
| Debutleague: | NPB |
| Debutdate: | June 11 |
| Debutyear: | 2012 |
| Debutteam: | Yomiuri Giants |
| Statleague: | NPB |
| Statyear: | 2020 season |
| Stat1label: | Win–loss record |
| Stat1value: | 12–7 |
| Stat2label: | Earned run average |
| Stat2value: | 3.13 |
| Stat3label: | Strikeouts |
| Stat3value: | 138 |
| Stat4label: | Holds |
| Stat4value: | 35 |
| Stat5label: | Saves |
| Stat5value: | 0 |
| Teams: |
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is a Japanese professional baseball pitcher who is currently a free agent. He has played with the Nippon Professional Baseball (NPB) for the Yomiuri Giants.
Yomiuri Giants selected Tahara with the seventh selection in the 2011 NPB draft.[1]
On June 11, 2012, Tahara made his NPB debut.
On December 2, 2020, he become a free agent.[2]