Mangaweka is a township on the State Highway One (SH1), Manawatū-Whanganui region, in the North Island of New Zealand, with a population of just under 200. It is between Taihape to the north and Hunterville to the south. The Rangitikei River runs adjacent to the township, which is popular for rafting, kayaking, fishing and swimming. The New Zealand Ministry for Culture and Heritage gives a translation of "weka stream" for Mangaweka.