Sugiuchi
# Sugiuchi

Sugiuchi (written: 杉内) is a Japanese surname. Notable people with the surname include:

* Masao Sugiuchi (杉内 雅男, born 1920), Japanese Go player
* Shusaku Sugiuchi (杉内 周作), Japanese Paralympic swimmer
* Toshiya Sugiuchi (杉内 俊哉, born 1980), Japanese baseball player
