Iwitahi is a rural locality in the Taupà  District and Bay of Plenty Region of New Zealand's North Island. It is situated on State Highway 5 between Taupà  and Napier, about 20 km southeast of Taupà Â. It is a farming area, largely surrounded by forest, close to the plains of the upper Rangitaiki River. The locality was formerly known as Iwatahi.