| Chihaya Sasaki | |
| Position: | Pitcher |
| Team: | Yokohama DeNA BayStars |
| Number: | 41 |
| Birth Date: | 8 June 1994 |
| Bats: | Right |
| Throws: | Right |
| Debutleague: | NPB |
| Debutdate: | April 6 |
| Debutyear: | 2017 |
| Debutteam: | Chiba Lotte Marines |
| Statyear: | 2023 season |
| Statleague: | NPB |
| Stat1label: | Win–loss record |
| Stat1value: | 16–12 |
| Stat2label: | ERA |
| Stat2value: | 3.48 |
| Stat3label: | Strikeouts |
| Stat3value: | 131 |
| Stat4label: | Saves |
| Stat4value: | 1 |
| Stat5label: | Holds |
| Stat5value: | 27 |
| Teams: |
|
| Awards: |
|
is a Japanese professional baseball pitcher for the Yokohama DeNA BayStars in Japan's Nippon Professional Baseball.