Waikato (disambiguation)

Waikato is a top-tier local government region of New Zealand extending from Thames-Coromandel District to Taupo District.

Waikato may also refer to:
 * Waikato District, a second-tier local government region of New Zealand (part of Waikato Region)
 * Waikato, area subjected to the 1860s Invasion of the Waikato
 * Waikato River, longest river in New Zealand
 * Waikato (iwi), a Māori tribe
 * Waikato (rangatira) (c. 1790 – 1877), Māori tribal leader
 * Waikato (New Zealand electorate), a general electorate
 * Hauraki-Waikato, a Māori electorate
 * Port Waikato, a small town
 * HMNZS Waikato (F55), a frigate
 * SS Waikato, a steamship
 * Organisations
 * Waikato Rugby Union, a governing body for rugby union
 * Waikato Rugby League, a governing body for rugby league
 * Waikato FC, a football (soccer) club
 * Waikato Australian Football League
 * Diocese of Waikato
 * University of Waikato