Iha may refer to: James Iha, American rock musician Iha Fuyu, Japanese scholar Iha language, a Papuan language spoken on the Bomberai Peninsula Iha language (Maluku) or Saparua language, an Austronesian language spoken in the Mulukus Iha Castle, a Ryukyuan gusuku on Okinawa Island Iha Shell Mound, an archaeological site on Okinawa Island See also IHA (disambiguation), several acronyms