Ngāti Kahu ki Whangaroa are a Maori iwi (tribe) based at the Whangaroa Harbour harbour area in New Zealand's Northland Region.

[1] The iwi's rohe (tribal area) covers a coastal area from Kaeo and the Whangaroa Harbour in the east, to Oruaiti River, Mangonui and the eastern end of Doubtless Bay in the west.

[2] The rohe of Ngāti Kahu and Ngāpuhi neighbours the rohe of Ngāti Kahu ki Whangaroa.

[1] Another similarly named iwi ⁠— Ngāpuhi / Ngāti Kahu ki Whaingaroa ⁠— is also located in Northland.

[3] The iwi consists of the hapū (sub-tribes), who hold gatherings at marae (meeting places) and wharenui (meeting houses): Kahukuraariki Trust is the iwi's post-Treaty settlement governance entity and is the iwi authority under planning law.