| Hideo Koike | |
| Position: | Pitcher |
| Birth Date: | 18 March 1969 |
| Birth Place: | Ichinomiya, Aichi, Japan |
| Bats: | Left |
| Throws: | Left |
| Debutleague: | NPB |
| Debutdate: | April 11 |
| Debutyear: | 1993 |
| Debutteam: | Kintetsu Buffaloes |
| Finaldate: | September 28 |
| Finalyear: | 2005 |
| Finalteam: | Tohoku Rakuten Golden Eagles |
| Statleague: | NPB |
| Statyear: | 2005 |
| Stat1label: | Win–loss record |
| Stat1value: | 51–47 |
| Stat2label: | Earned run average |
| Stat2value: | 4.40 |
| Stat3label: | Strikeouts |
| Stat3value: | 715 |
| Stat4label: | Saves |
| Stat4value: | 2 |
| Teams: |
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| Highlights: |
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| Update: | 9 May 2020 |
is a Japanese former Nippon Professional Baseball pitcher. [1]