Waihi is a town in Hauraki District in the North Island of New Zealand, especially notable for its history as a gold mine town.
Waihi had a population of 4,527 at the 2013 New Zealand census, an increase of 27 people since the 2006 census. There were 2,115 males and 2,412 females. 85.5% were European/Pākehā, 20.7% were Māori, 2.5% were Pacific peoples and 3.9% were Asian.
The town is at the foot of the Coromandel Peninsula, close to the western end of the Bay of Plenty.