Masashi Ishibashi was a Taiwanese-born Japanese politician who served as chairman of the Japan Socialist Party from 1983 to 1986.
- Occupation
- politician
- Position held
- member of the House of Representatives of Japan, member of the Nagasaki Prefectural Assembly
- Citizenship
- Japan, Empire of Japan
- Born
- October 6, 1924
- Died
- December 9, 2019