Pōrangahau is a small township close to the Pacific Ocean coast in the south-east of the North Island of New Zealand. It lies in the southernmost part of Hawke's Bay, 45 kilometres south of Waipukurau, and close to the mouth of the Pōrangahau River. The settlement includes a marae and a school.
The Māori name Pōrangahau expresses the idea of a night (pō) of pursuit or of retreat (rangahau).