Ngāti Apa ki te Rā Tō is a Māori iwi (tribe) in the upper South Island of New Zealand. Its rohe (tribal lands) include the areas around Golden Bay, Tākaka, Tasman Bay / Te Tai-o-Aorere, Motueka, Nelson and Saint Arnaud, including and catchments and Lakes Rotoiti, Rotoroa, and the Tophouse.