| Yudai Koga | |
| Position: | Catcher |
| Team: | Tokyo Yakult Swallows |
| Number: | 57 |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 7 August 1998 |
| Birth Place: | Yanagawa, Fukuoka, Japan |
| Debutleague: | NPB |
| Debutdate: | May 2 |
| Debutyear: | 2018 |
| Debutteam: | Tokyo Yakult Swallows |
| Statyear: | 2023 season |
| Stat1label: | Batting average |
| Stat1value: | .200 |
| Stat2label: | Hits |
| Stat2value: | 65 |
| Stat3label: | Home runs |
| Stat3value: | 1 |
| Stat4label: | RBIs |
| Stat4value: | 15 |
| Stat5label: | Stolen bases |
| Stat5value: | 0 |
| Teams: |
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is a professional Japanese baseball player. He plays catcher for the Tokyo Yakult Swallows.[1] [2]