Ōhaupō is a rural community in the Waipa District and Waikato region of New Zealand's North Island. It is located on State Highway 3, about halfway between Hamilton and Te Awamutu. The Ōhaupō area and surrounding Ngāhinapōuri, Te Rore and Harapēpē area were military outposts during the Waikato War and a military fortification was built about one kilometre north of the township in April 1864. Other military fortifications had been built at nearby Ngāhinapōuri, Tuhikaramea and Te Rore four months earlier, in December 1863.