| Koichi Hori | |
| Position: | Infielder / Coach |
| Team: | Chiba Lotte Marines |
| Number: | 75 |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 2 April 1969 |
| Birth Place: | Japan |
| Debutleague: | NPB |
| Debutdate: | April 9 |
| Debutyear: | 1989 |
| Debutteam: | Lotte Orions |
| Finalleague: | NPB |
| Finaldate: | October 6 |
| Finalyear: | 2009 |
| Finalteam: | Chiba Lotte Marines |
| Statyear: | 2010 |
| Statleague: | NPB |
| Stat1label: | Batting average |
| Stat1value: | .269 |
| Stat2label: | Home runs |
| Stat2value: | 183 |
| Stat3label: | Hits |
| Stat3value: | 1827 |
| Teams: | As player
As coach
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| Awards: |
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Koichi Hori (堀 幸一, born April 2, 1969) is a former Nippon Professional Baseball infielder.[1]