| Ryoichi Adachi | |
| Position: | Infielder / Coach |
| Team: | Orix Buffaloes |
| Number: | 3 |
| Birth Date: | 7 January 1988 |
| Birth Place: | Takasaki, Gunma, Japan |
| Bats: | Right |
| Throws: | Right |
| Debutleague: | NPB |
| Debutdate: | May 12 |
| Debutyear: | 2012 |
| Debutteam: | Orix Buffaloes |
| Statyear: | 2023 season |
| Statleague: | NPB |
| Stat1label: | Batting average |
| Stat1value: | .245 |
| Stat2label: | Home runs |
| Stat2value: | 36 |
| Stat3label: | Hits |
| Stat3value: | 898 |
| Stat4label: | RBI |
| Stat4value: | 323 |
| Stat5label: | Stolen bases |
| Stat5value: | 127 |
| Teams: | As player
As coach
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| Awards: |
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is a Japanese professional baseball infielder for the Orix Buffaloes in Japan's Nippon Professional Baseball.
He selected .[1]