| Kazuya Maruyama | |
| Position: | Outfielder |
| Team: | Tokyo Yakult Swallows |
| Number: | 4 |
| Bats: | Left |
| Throws: | Left |
| Birth Date: | 18 July 1999 |
| Birth Place: | Gunma District, Gunma, Toyama, Japan |
| Debutleague: | NPB |
| Debutdate: | March 25 |
| Debutyear: | 2022 |
| Debutteam: | Tokyo Yakult Swallows |
| Statyear: | May 8, 2024 |
| Stat1label: | Batting average |
| Stat1value: | .258 |
| Stat2label: | Home runs |
| Stat2value: | 1 |
| Stat3label: | Runs batted in |
| Stat3value: | 21 |
| Teams: |
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is a professional Japanese baseball player. He plays outfielder for the Tokyo Yakult Swallows.[1] [2]