Mamaku is a small village in the Bay of Plenty Region of the North Island of New Zealand.

It lies on the Mamaku Plateau at an elevation of 560 metres (1,840 ft) above sea level.

Situated at the highest point of the now-mothballed Rotorua Branch railway line, the town is 4 kilometres (2.5 mi) south of State Highway 5.

Another major industry established in Mamaku was farming, primarily dairy and sheep.

Some recent additions to local industry include blueberry winemaking and off-road biking.