Taiaroa may refer to:
Places Taiaroa Head, New Zealand
People with the surname Archie Taiaroa (1937–2010), prominent New Zealand Māori Dick Taiaroa (c. 1866–1954), New Zealand rugby union player Hōri Kerei Taiaroa (c. 1835–1905), New Zealand politician and Māori leader John Taiaroa (1862–1907), New Zealand sportsman Te Mātenga Taiaroa (c. 1795–1863), New Zealand Māori leader Tini Kerei Taiaroa, (1846–1934), New Zealand community worker
Other SS Taiaroa, ship name HMS Taiaroa, a torpedo boat assigned to the defense of Port Chalmers, New Zealand Taiaroa (coral), a genus of corals