The siege of Ngatapa (Māori: Ngātapa) was an engagement that took place from 31 December 1868 to 5 January 1869 during Te Kooti's War in the East Coast region of New Zealand. Te Kooti's War was part of the New Zealand Wars, a series of conflicts between the British, the local authorities and their Māori allies on one side, and several Māori iwi (tribes) on the other, that took place from 1843 to 1872. Like some of the later clashes in this period, Te Kooti's War had a religious basis. Te Kooti was the leader of the Ringatū religion and gathered a following of disenfranchised Māori who like himself had been exiled to the Chatham Islands in 1866 by the government. After two years of captivity, they escaped to the mainland, landing on the East Coast in July 1868. Pursued by the local militia,