Te Rerenga is a locality on the Whangapoua Harbour, Coromandel Peninsula, New Zealand. State Highway 25 runs through it. Coromandel is 12 km to the west. Whitianga lies to the south east. The Waitekuri and Opitonui Rivers flow from the Coromandel Range in the west and south through the area to drain in the Whangapoua Harbour.
Te Rerenga runs parallel to State Highway 25.