Ruatoki or Rūātoki is a district in the eastern Bay of Plenty of New Zealand, just south of the small town of Tāneatua and approximately 20 km south of the city of Whakatāne. The Whakatāne River runs northwards through the Ruatoki Valley and has formed broad alluvial flats. The main settlement of Ruatoki North is on the eastern side of the river. The population of approximately 600 people are predominantly Māori of the Tūhoe iwi. The main economic activities in the Ruatoki Valley are dairy farming and cropping.