| Hayato Horioka | |
| Position: | Pitcher |
| Team: | Yokohama DeNA BayStars |
| Number: | 92 |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 11 September 1998 |
| Birth Place: | Hadano, Kanagawa, Japan |
| Debutleague: | NPB |
| Debutdate: | August 1 |
| Debutyear: | 2019 |
| Debutteam: | Yomiuri Giants |
| Statyear: | 2024 season |
| Stat1label: | Win–loss record |
| Stat1value: | 0–0 |
| Stat2label: | Earned run average |
| Stat2value: | 6.49 |
| Stat3label: | Strikeouts |
| Stat3value: | 23 |
| Stat4label: | Saves |
| Stat4value: | 0 |
| Stat5label: | Holds |
| Stat5value: | 2 |
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is a professional Japanese baseball player. He is a pitcher for the Yokohama DeNA BayStars of Nippon Professional Baseball (NPB). He has previously played in NPB for the Yomiuri Giants.[1]