| Iori Yamasaki | |
| Position: | Pitcher |
| Team: | Yomiuri Giants |
| Number: | 19 |
| Bats: | Left |
| Throws: | Right |
| Birth Date: | 10 October 1998 |
| Birth Place: | Kobe, Hyōgo, Japan |
| Debutleague: | NPB |
| Debutdate: | March 26 |
| Debutyear: | 2022 |
| Debutteam: | Yomiuri Giants |
| Statyear: | July 16, 2024 |
| Stat1label: | Win–loss record |
| Stat1value: | 22–12 |
| Stat2label: | Earned run average |
| Stat2value: | 2.53 |
| Stat3label: | Strikeouts |
| Stat3value: | 226 |
| Teams: |
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| Highlights: | |
is a Japanese professional baseball pitcher for the Yomiuri Giants of Nippon Professional Baseball (NPB).[1]