Yamauchi or Yamanouchi (やまうち or やまのうち, lit. "inside mountains") is a Japanese surname. Either name is written in kanji as 山内 while Yamanouchi can also be written as 山ノ内.
This page lists people with the surnameYamauchi. If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.