Ohau or Ōhau may refer to the following in New Zealand:

In the Manawatu-Wanganui Region

• Ōhau, semi-rural community in the Manawatu-Wanganui region
• Ohau railway station (former) in the settlement of Ōhau
• Ōhau River (Manawatū-Whanganui)

In the Canterbery Region

• Ben Ohau, a mountain in the South Island
• Ben Ohau Range
• Ōhau (skifield)
• Lake Ōhau
• Lake Ohau Alpine Village
• Ōhau River (Canterbury)
• Ōhau A power station
• Ōhau B power station
• Ōhau C power station

Elsewehre

• Ōhau / West Island the third largest of Manawatāwhi / Three Kings Islands

This disambiguation page lists articles associated with the title Ohau.
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