Ohau or Ōhau may refer to the following in New Zealand: Ben Ohau, a mountain in the South Island Ben Ohau Range Lake Ōhau Lake Ohau Alpine Village Ōhau River (Canterbury) Ōhau River (Manawatū-Whanganui) Ohau (skifield) Ohau A power station Ohau B power station Ohau C power station Ohau railway station (former) in the settlement of Ohau Ōhau, semi-rural community in the Manawatu-Wanganui region Ohau Island in the Three Kings Islands