Ngāti Kahungunu ki Tamakinui a Rua

Ngāti Kahungunu ki Tamakinui a Rua is a tribal division within the Māori iwi (tribe) of Ngāti Kahungunu in the south-east of New Zealand's North Island.^[2] It consists of a number of hapū (sub-tribes) located within a rohe (tribal area) similar to the current Tararua District.^[3][2]

Ngāti Kahungunu ki Tamakinui a Rua is one of six divisions within the tribe. Ngāti Kahungunu ki Te Wairoa, Ngāti Kahungunu ki Te Whanganui-a-Orotu, Ngāti Kahungunu ki Heretaunga and Ngāti Kahungunu ki Tamatea are located to the north. Ngāti Kahungunu ki Wairarapa is located to the south.^[3] The Wairoa, Heretaunga and Wairarapa divisions are traditionally larger than Tamakinui a Rua and the other two divisions.^[2]