|Born||February 20, 1962|
Hino, Tokyo, Japan
|Associated acts||The Blue Hearts|
Masatoshi Mashima (真島 昌利, Mashima Masatoshi, b. February 20, 1962) is a guitarist who has performed with Japanese rock bands such as The Blue Hearts, The High-Lows and The Cro-Magnons. He was born in Hino and raised in Kodaira in Tokyo, Japan.
His nickname while playing was "Mashi."