| Kosuke Yamazaki | ||
| Birth Date | 1995-12-30 (age 29) | |
| Birth Place | Saitama | |
| Height | 182 cm | |
| Weight | 80 kg | |
| Position | Defender | |
| Club | Yokohama FC | |
| Number | 30 | |
| Club Statistics | ||||||
| Season | Club | No. | League | Game | Goal | |
| 2018 | Ehime FC | 2 | J2 | 25 | 1 | |
| 2019 | Ehime FC | 2 | J2 | 31 | 3 | |
| 2020 | Ehime FC | 2 | J2 | 34 | 0 | |
| 2021 | Montedio Yamagata | 2 | J2 | 33 | 0 | |
| 2022 | Montedio Yamagata | 2 | J2 | 41 | 2 | |
| 2023 | Sagan Tosu | 2 | J1 | 33 | 0 | |
| 2024 | Sagan Tosu | 2 | J1 | 30 | 1 | |
| 2025 | Yokohama FC | 30 | J1 | |||
| Total | J1 | 63 | 1 | |||
| J2 | 164 | 6 | ||||
| J3 | 0 | 0 | ||||