| Kōzō Sasaki | |
|---|---|
| Chair of the Japan Socialist Party | |
|
In office 6 May 1965 – 19 August 1967 |
|
| Preceded by | Jōtarō Kawakami |
| Succeeded by | Seiichi Katsumata |
| Personal details | |
| Born | 25 May 1900 Motoyoshi District, Miyagi, Japan |
| Died | 24 December 1985 (aged 85) |
| Political party | Japan Socialist Party |
| Alma mater | Nihon University |
Kōzō Sasaki (佐々木 更三 Sasaki Kōzō?, 25 May 1900 – 24 December 1985) was a Japanese politician and chairman of the Japan Socialist Party from 1965 to 1967.