1826 in New Zealand
Regal and viceregal
- 24 January - The first sailing ship built in New Zealand, the schooner Herald, is launched.
- 25 March - William Williams, missionary brother of Henry Williams, arrives in the Bay of Islands on the Brampton with his wife and daughter.
- 25 March – The 1825 New Zealand Company vessels Rosanna, Captain James Herd, and Lambton, Captain Barnett, arrive at Stewart Island and undergo refitting for a month.
- April or May
- – Thomas Shepherd explores the future site of Dunedin and produces the oldest surviving drawings of Otago Harbour and surrounding coasts including Waikouaiti.
- – The Rosanna and the Lambton (see above) are the first European ships enter Wellington Harbour. Captain Herd names the harbour Port Nicholson after his friend John Nicholson, harbourmaster at Port Jackson (Sydney).
- 23 June - The Herald is the first European ship to enter Tauranga Harbour.
- 23 September – The New Zealand Company agents aboard the Rosanna complete the purchase of 'Pakatu' (Pakatoa), 'Taratora' (Rotoroa), 'Ponue' (Ponui) and 'Pake' (Pakihi) Islands in the Hauraki Gulf. They then become frightened of the local Māori, change their minds almost immediately, sell up and leave for the Bay of Islands.
- William Stewart establishes a timber, flax and trading settlement at Port Pegasus on Stewart Island.
- Sealers visit Cloudy Bay and set up stations in Port Underwood. Whalers visit later the same year.
- Jules Dumont d'Urville arrives in New Zealand on the Astrolabe during his circumnavigation. He charts much of New Zealand that Cook did not, in particular the Marlborough Sounds. (see also 1827).
- A European trading and shipbuilding enterprise is established at Horeke in the Hokianga.
- (in England): Josiah Firth, farmer and businessman.
- John Patterson, one of the first four Māori MPs 
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- List of years in New Zealand
- Timeline of New Zealand history
- History of New Zealand
- Military history of New Zealand
- Timeline of the New Zealand environment
- Timeline of New Zealand's links with Antarctica
- Fitzgerald, Caroline (2011). Te Wiremu: Henry Williams – Early Years in the North. Huia Publishers, New Zealand. pp. 65–66. ISBN 978-1-86969-439-5.
- Fitzgerald, Caroline (2004). Marianne Williams: Letters from the Bay of Islands. Penguin Books, New Zealand. pp. 97–99. ISBN 0-14-301929-5.
- McLean, Gavin (20 July 2015). "Launching the Herald". 'Shipbuilding - The wooden era', Te Ara - the Encyclopedia of New Zealand. Retrieved 14 February 2017.
- Early European Visits to NZ
- Fitzgerald, Caroline (2004). Marianne Williams: Letters from the Bay of Islands. Penguin Books, New Zealand. p. 103. ISBN 0-14-301929-5.
- New Zealand Encyclopaedia 1966: 1825 New Zealand Company
- Hall-Jones, John. "Caddell, James fl. 1810–1826". Dictionary of New Zealand Biography. Ministry for Culture and Heritage. Retrieved 5 April 2011.
- Wises New Zealand Guide, 7th Edition, 1979. p. 499.
- New Zealand Encyclopaedia: Wellington
- "Koraurau (?-1828)". Tauranga Memories :Tauranga Local History. Retrieved 14 February 2017.
- Tauranga History Timeline
- A Manukau Timeline
- Wises New Zealand Guide, 7th Edition, 1979. p.405.
- Wises New Zealand Guide, 7th Edition, 1979. p. 67
- Wises New Zealand Guide, 7th Edition, 1979. p. 242
- "Before 1840: sailors and missionaries". Te Ara: The Encyclopedia of New Zealand. Archived from the original on 6 January 2008. Retrieved 16 January 2008.
- Bassett, Judith & J.G.H Hannan. "Prendergast, James 1826 - 1921". Dictionary of New Zealand Biography. Ministry for Culture and Heritage. Retrieved 5 April 2011.
- Waterson, D. B. "Firth, Josiah Clifton 1826 - 1897". Dictionary of New Zealand Biography. Ministry for Culture and Heritage. Retrieved 5 April 2011.
- Wilson, James Oakley (1985) [First published in 1913]. New Zealand Parliamentary Record, 1840–1984 (4th ed.). Wellington: V.R. Ward, Govt. Printer. OCLC 154283103.