Puu or Pu'u is a Hawaiian word for any protuberance, from a pimple to a hill, and can refer to:Puu Kukui, mountain peak in Hawaii Pu'u Huluhulu Puʻu ʻŌʻō, volcanic cone in Hawaii Setsuna Meioh, Sailor Moon character Puu, a major secondary character from Yu Yu Hakusho