Ngāti Kahu is a Māori iwi of Northland, New Zealand. The iwi is one of the six Muriwhenua iwi of the far north of the North Island. Ngāti Kahu take their name from their founding ancestress, Kahutianui, and link their ancestry back to the waka Māmaru. The captain of Māmaru was who married Kahutianui. Ngāti Kahu identify themselves through the following series of markers captured in their pepeha (tribal aphorism):