Yanai (Japanese surname)

Yanai (written: 柳井, 柳内 or 箭内) is a Japanese surname. Notable people with the surname include:


 * Hiroshi Yanai (disambiguation), multiple people
 * Masayuki Yanai (箭内 政之), Japanese astronomer
 * Micky Yanai (ミッキー 柳井), Japanese pornographic actor
 * Shinsaku Yanai (柳内 伸作), Japanese writer
 * Tadashi Yanai (柳井 正), Japanese billionaire