| Kazumasa Sasaki | |
| Team: | Oji Eagles |
| League: | ALIH |
| Position: | Defenceman |
| Shoots: | Right |
| Height Ft: | 5 |
| Height In: | 10 |
| Weight Lb: | 176 |
| Birth Date: | 12 November 1989 |
| Birth Place: | Tomakomai, Japan |
| Ntl Team: | Japan |
| Career Start: | 2012 |
Kazumasa Sasaki (佐々木一正; born December 11, 1989), is a Japanese professional ice hockey Defenceman currently playing for the Oji Eagles of the Asia League.
Since 2009 he plays for the Oji Eagles. He previously played for the Östersund/Brunflo IF in the Hockeyettan, the third-tier league in Sweden. He also has played for the Japan national team since the year 2012.