| Personal information | |||
|---|---|---|---|
| Full name | Kaishu Yamazaki | ||
| Date of birth | 12 July 1997 | ||
| Place of birth | Chiba, Japan | ||
| Height | 1.82 m (6 ft 0 in) | ||
| Position(s) | Defensive midfielder | ||
| Team information | |||
Current team | Kaya–Iloilo | ||
| Number | 88 | ||
| Youth career | |||
| 2007–2015 | Kashiwa Reysol | ||
| 2016 | Darmstadt 98 | ||
| Senior career* | |||
| Years | Team | Apps | (Gls) |
| 2016–2017 | Iwaki FC | 0 | (0) |
| 2018–2019 | Albirex Niigata (S) | 39 | (3) |
| 2020–2021 | Lion City Sailors | 13 | (2) |
| 2021–2023 | Hougang United | 39 | (4) |
| 2023 | Mosta | 6 | (0) |
| 2023 | Persikabo 1973 | 17 | (0) |
| 2024– | Kaya–Iloilo | 13 | (3) |
| *Club domestic league appearances and goals, correct as of 13 July 2024 | |||
Kaishu Yamazaki (山崎 海秀, Yamazaki Kaishū, born 12 July 1997) is a Japanese professional footballer who plays as a defensive midfielder for Philippines Football League club Kaya–Iloilo.