Oceania
- American Samoa (unorganized, unincorporated territory of the United States)
- Governor -
- Earl B. Ruth, Governor of American Samoa (1975–1976)
- Frank Barnett, Governor of American Samoa (1976–1977)
- Governor -
- Australia
- Monarch - Elizabeth II, Queen of Australia (1952–present)
- Governor-General - Sir John Kerr, Governor-General of Australia (1974–1977)
- Prime Minister - Malcolm Fraser, Prime Minister of Australia (1975–1983)
- Christmas Island (external territory of Australia)
- Administrator - William Worth, Administrator of Christmas Island (1975–1977)
- Cocos (Keeling) Islands (external territory of Australia)
- Governor - John Cecil Clunies-Ross, Governor of the Cocos (Keeling) Islands (1947–1978)
- Administrator - Robert James Linford, Administrator of Cocos (Keeling) Islands (1975–1977)
- Norfolk Island (self-governing territory of Australia)
- Administrator -
- Charles Ivens Buffett, Acting Administrator of Norfolk Island (1975–1976)
- Edward Thomas Pickerd, Acting Administrator of Norfolk Island (1976)
- Desmond Vincent O'Leary, Administrator of Norfolk Island (1976–1979)
- Head of Government -
- Richard Albert Bataille, President of the Island Council of Norfolk Island (1974–1976)
- William Arthur Blucher, President of the Island Council of Norfolk Island (1976–1978)
- Administrator -
- Ellice Islands (British crown colony)
- Commissioner - Thomas H. Laying, Commissioner of Ellice Islands (1975–1978)
- Chief Minister - Toaripi Lauti, Chief Minister of Ellice Islands (1975–1981)
- Fiji
- Monarch - Elizabeth II, Queen of Fiji (1970–1987)
- Governor-General - Ratu Sir George Cakobau, Governor-General of Fiji (1973–1983)
- Prime Minister - Ratu Sir Kamisese Mara, Prime Minister of Fiji (1967–1987)
- French Polynesia (French overseas territory)
- Governor - Charles Schmitt, Governor of French Polynesia (1975–1977)
- Gilbert Islands (British protectorate)
- Governor - John Hilary Smith, Governor of Gilbert Islands (1973–1978)
- Chief Minister - Naboua Ratieta, Chief Minister of Gilbert Islands (1974–1978)
- Guam (Insular area of the United States)
- Governor - Ricardo Bordallo, Governor of Guam (1975–1979)
- Nauru
- President -
- Hammer DeRoburt, President of Nauru (1968–1976)
- Bernard Dowiyogo, President of Nauru (1976–1978)
- President -
- New Caledonia (French overseas territory)
- High Commissioner - Gabriel Ériau, Governor of New Caledonia (1974–1978)
- New Hebrides (British-French condominium)
- British Resident Commissioner - John Stuart Champion (1975–1978)
- French Resident Commissioner - Robert Gauger (1974–1978)
- New Zealand
- Monarch - Elizabeth II, Queen of New Zealand (1952–present)
- Governor-General - Sir Denis Blundell, Governor-General of New Zealand (1972–1977)
- Prime Minister - Robert Muldoon, Prime Minister of New Zealand (1975–1984)
- Cook Islands (Associated state of New Zealand)
- Queen's Representative - Sir Gaven Donne, Queen's Representative of the Cook Islands (1975–1984)
- Prime Minister - Albert Henry, Prime Minister of the Cook Islands (1965–1978)
- Niue (associated state of New Zealand)
- Premier - Robert Rex, Premier of Niue (1974–1992)
- Tokelau (dependent territory of New Zealand)
- Administrator - Frank Corner, Administrator of Tokelau (1975–1984)
- Papua New Guinea
- Monarch - Elizabeth II, Queen of Papua New Guinea (1975–present)
- Governor-General - Sir John Guise, Governor-General of Papua New Guinea (1975–1977)
- Prime Minister - Michael Somare, Prime Minister of Papua New Guinea (1972–1980)
- Republic of the North Solomons (unrecognized secessionist state)
- rejoined Papua New Guinea in 1976
- President - Alexis Sarei, President of North Solomons (1975–1976)
- Pitcairn Islands (British crown colony)
- Governor - Harold Smedley, Governor of the Pitcairn Islands (1976–1980)
- Magistrate - Ivan Christian, Magistrate of the Pitcairn Islands (1975–1984)
- Solomon Islands (British protectorate)
- Governor -
- Donald Luddington, Governor of the Solomon Islands (1973–1976)
- Colin Allan, Governor of the Solomon Islands (1976–1978)
- Chief Minister -
- Solomon Mamaloni, Chief Minister of the Solomon Islands (1974–1976)
- Peter Kenilorea, Chief Minister of the Solomon Islands (1976–1981)
- Governor -
- Tonga
- Monarch - Tāufaʻāhau Tupou IV, King of Tonga (1965–2006)
- Prime Minister - Prince Fatafehi Tu'ipelehake, Prime Minister of Tonga (1965–1991)
- Trust Territory of the Pacific Islands (UN Trust Territory administered by the United States)
- High Commissioner -
- Edward Elliott Johnston, High Commissioner of the Trust Territory of the Pacific Islands (1969–1976)
- Peter Tali Coleman, Acting High Commissioner of the Trust Territory of the Pacific Islands (1976–1977)
- High Commissioner -
- Wallis and Futuna (French overseas territory)
- Administrator-Superior -
- Yves Arbellot-Repaire, Administrator Superior of Wallis and Futuna (1975–1976)
- Henri Beaux, Administrator Superior of Wallis and Futuna (1976–1979)
- President of the Territorial Assembly - Soane Patita Lakina, President of the Territorial Assembly of Wallis and Futuna (1975–1977)
- Administrator-Superior -
- Western Samoa
- Head of State - Malietoa Tanumafili II, O le Ao o le Malo of Western Samoa (1962–2007)
- Prime Minister -
- Tupua Tamasese Lealofi IV, Acting Prime Minister of Western Samoa (1975–1976)
- Tufuga Efi, Prime Minister of Western Samoa (1976–1982)
Read more about this topic: List Of State Leaders In 1976