The following lists events that happened during 1955 in New Zealand.
Population
Estimated population as of 31 December: 2,164,800. Increase since 31 December 1954: 46,400 (2.19%). Males per 100 females: 101.2.
Incumbents
Regal and viceregal
Head of State – Elizabeth II, Queen of New Zealand, from 6 February 1952
Governor-General – Lieutenant-General The Lord Norrie GCMG GCVO CB DSO MC, from 1952 to 1957
Government
The 31st New Zealand Parliament continued. In power was the National government under Sidney Holland.
Speaker of the House – Mathew Oram from 1950 to 1957
Prime Minister – Sidney Holland from 13 December 1949 to 20 September 1957. Deputy Prime Minister – Keith Holyoake from 13 December 1949 to 20 September 1957. Minister of Finance – Jack Watts from November 1954 until 20 September 1957 Minister of Foreign Affairs – Tom Macdonald from 26 November 1954 until 12 December 1957 Chief Justice — Sir Harold Barrowclough
Parliamentary opposition
Leader of the Opposition – Walter Nash (Labour).
Main centre leaders
Mayor of Auckland – John Luxford from 1953 to 1956
Mayor of Hamilton – Roderick Braithwaite from 1953 to 1959
Mayor of Wellington – Robert Macalister from 1950 to 1956
Mayor of Christchurch – Robert M. Macfarlane from 1938 to 1941 and again from 1950 to 1958 Mayor of Dunedin – Leonard Morton Wright from 1950 to 1959
Events
A pulp and paper mill opens at Kawerau
The Rimutaka rail tunnel opened
The Marriage Act 1955 is passed
Arts and literature
See 1955 in art, 1955 in literature
Music
See: 1955 in music
Radio
See: Public broadcasting in New Zealand
Film
See: :Category:1955 film awards, 1955 in film, List of New Zealand feature films, Cinema of New Zealand, :Category:1955 films
Sport
Athletics
Arthur Lydiard wins his second national title in the men's marathon, clocking 2:42:34 in Auckland.
Chess
The 62nd National Chess Championship was held in Auckland, and was won by Ortvin Sarapu of Auckland (his 4th successive title).
Horse racing
Harness racing
New Zealand Trotting Cup – Our Roger
Auckland Trotting Cup – Prince Polka
Lawn bowls
The national outdoor lawn bowls championships are held in Wellington. Men's singles champion – J.H. Rabone (Northern Bowling Club) Men's pair champions – W.R. Hawkins, M.G. Borich (skip) (Hamilton Bowling Club) Men's fours champions – J. Whitehead, E.A. Horan, A. Robinson, I.B. Evans (skip) (Omarunui Bowling Club)
Soccer
The Chatham Cup is won by Western of Christchurch who beat Eastern Suburbs of Auckland 6–2 in the final. New Zealand played 3 matches against South China Athletic 18 June, Christchurch – 1–1 draw 2 July, Wellington – NZ win 7-4 9 July, Auckland – NZ lose 3-5 Provincial league champions: Auckland: Mount Albert GSOB Bay of Plenty: Mangakino Utd Buller: Millerton Thistle Canterbury: Western Hawke's Bay: Napier Rovers Manawatu: Kiwi United Nelson: Motueka Northland: Otangarei United Otago: King Edward Technical College OB Poverty Bay: Eastern Union South Canterbury: West End Southland: Invercargill Thistle Taranaki: Old Boys Waikato: Huntly Thistle Wanganui: Wanganui Athletic Wellington: Stop Out
Births
16 January: Steve Wooddin, soccer player
14 February: Margaret Knighton, equestrian eventer
31 March: Robert Vance, cricketer
2 April: Steve Sumner, soccer player
21 April: Tuheitia Paki, Māori King
27 May: Graham 'Jock' Edwards, cricketer
1 June: Lorraine Moller, long-distance athlete
19 June: Mary O'Connor, long-distance runner
29 September: Mark Graham, rugby league footballer and coach
1 November: Anne Audain, middle and long-distance athlete
12 November: Roger Sumich, cyclist
26 November: Barbara Tilden, field hockey player
2 December: Mark Gosche, politician
7 December: Te Ururoa Flavell, politician
David Hamilton, composer
Deaths
31 January: Bob Semple, trade union leader and politician. 7 May: Melville Lyons, politician 24 May: Louis Hekenui Bidois, policeman 5 June (in England): George Skellerup, industrialist 7 September: Henry Braddon, rugby union player. 14 December: William Stewart, politician. Undated: John Guthrie (at sea) journalist and novelist.