Whanganui Māori are the Māori iwi (tribes) and hapū (sub-tribes) of the Whanganui River area of New Zealand. They are also known as Ngāti Hau. One group of Whanganui Māori, Whanganui Iwi, includes Te Āti Haunui-a-Pāpārangi and other hapū who signed the Ruruku Whakatupua Treaty of Waitangi settlement in 2015.