| Tsuyoshi Yamasaki | |
| Position: | Infielder |
| Team: | Tohoku Rakuten Golden Eagles |
| Number: | 34 |
| Bats: | Left |
| Throws: | Right |
| Birth Date: | 29 December 1995 |
| Birth Place: | Fukuoka, Fukuoka, Japan |
| Debutleague: | NPB |
| Debutdate: | June 12 |
| Debutyear: | 2018 |
| Debutteam: | Tohoku Rakuten Golden Eagles |
| Statyear: | 2023 season |
| Statleague: | NPB |
| Stat1label: | Batting average |
| Stat1value: | .223 |
| Stat2label: | Home runs |
| Stat2value: | 10 |
| Stat3label: | Runs batted in |
| Stat3value: | 66 |
| Teams: |
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is a professional Japanese baseball player. He plays infielder for the Tohoku Rakuten Golden Eagles.[1] [2]