List of State Leaders in 1957 - Oceania

Oceania

• Australia
  • Monarch - Elizabeth II, Queen of Australia (1952–present)
  • Governor-General - Sir William Slim, Governor-General of Australia (1953–1960)
  • Prime Minister - Robert Menzies, Prime Minister of Australia (1949–1966)
• New Zealand
  • Monarch - Elizabeth II, Queen of New Zealand (1952–present)
  • Governor-General -
    1. Sir Willoughby Norrie, Governor-General of New Zealand (1952–1957)
    2. Sir Harold Eric Barrowclough, Administrator of the Government of New Zealand (1957)
    3. Charles Lyttelton, Viscount Cobham, Governor-General of New Zealand (1957–1962)
  • Prime Minister -
    1. Sidney Holland, Prime Minister of New Zealand (1949–1957)
    2. Keith Holyoake, Prime Minister of New Zealand (1957)
    3. Walter Nash, Prime Minister of New Zealand (1957–1960)