Yamanoi

Yamanoi (written: 山ノ井 lit. "mountain well") is a Japanese surname. Notable people with the surname include:


 * Eri Yamanoi (born 1978), Japanese swimmer
 * Jin Yamanoi (born 1962), Japanese voice actor
 * Kazunori Yamanoi (born 1962), Japanese politician
 * Takumi Yamanoi (山ノ井 拓己), Japanese footballer
 * Tomohiro Yamanoi (born 1977), Japanese swimmer