Oceania
- American Samoa (unorganized, unincorporated territory of the United States)
- Governor - Peter Tali Coleman, Governor of American Samoa (1989–1993)
- Australia -
- Monarch - Elizabeth II, Queen of Australia (1952–present)
- Governor-General - Bill Hayden, Governor-General of Australia (1989–1996)
- Prime Minister -
- Bob Hawke, Prime Minister of Australia (1983–1991)
- Paul Keating, Prime Minister of Australia (1991–1996)
- Christmas Island (external territory of Australia)
- Administrator -
- W.A. McKenzie, Administrator of Christmas Island (1990–1991)
- A. Mitchell, Acting Administrator of Christmas Island (1991)
- P. Gifford, Acting Administrator of Christmas Island (1991–1992)
- Assembly Chairman -
- Gordon Bennett, Chairman of the Christmas Island Assembly (1990–1991)
- P. Goh, Chairman of the Christmas Island Assembly (1991–1992)
- Administrator -
- Cocos (Keeling) Islands (external territory of Australia)
- Administrator - Barry Cunningham, Administrator of Cocos (Keeling) Islands (1990–1992)
- Council Chairman - Parson bin Yapat, Chairman of the Cocos Islands Council (1983–1993)
- Norfolk Island (self-governing territory of Australia)
- Administrator - Herbert Bruce MacDonald, Administrator of Norfolk Island (1989–1992)
- Head of Government - David Buffett, President of the Legislative Assembly of Norfolk Island (1989–1992)
- Fiji -
- President - Ratu Sir Penaia Ganilau, President of Fiji (1987–1993)
- Prime Minister - Ratu Sir Kamisese Mara, Prime Minister of Fiji (1987–1992)
- French Polynesia (French overseas territory)
- High Commissioner - Jean Montpezat, High Commissioner of the Republic in French Polynesia (1987–1992)
- President of the Government -
- Alexandre Léontieff, President of the Government of French Polynesia (1987–1991)
- Gaston Flosse, President of the Government of French Polynesia (1991–2004)
- Guam (Insular area of the United States)
- Governor - Joseph Franklin Ada, Governor of Guam (1987–1995)
- Kiribati -
- President -
- Ieremia Tabai, President of Kiribati (1983–1991)
- Teatao Teannaki, President of Kiribati (1991–1994)
- President -
- Marshall Islands -
- President - Amata Kabua, President of the Marshall Islands (1979–1996)
- Micronesia -
- President -
- John Haglelgam, President of Micronesia (1987–1991)
- Bailey Olter, President of Micronesia (1991–1997)
- President -
- Nauru -
- President - Bernard Dowiyogo, President of Nauru (1989–1995)
- New Caledonia (French overseas territory)
- High Commissioner -
- Bernard Grasset, High Commissioner of New Caledonia (1988–1991)
- Alain Christnacht, High Commissioner of New Caledonia (1991–1994)
- High Commissioner -
- New Zealand -
- Monarch - Elizabeth II, Queen of New Zealand (1952–present)
- Governor-General - Dame Catherine Tizard, Governor-General of New Zealand (1990–1996)
- Prime Minister - Jim Bolger, Prime Minister of New Zealand, (1990–1997)
- Cook Islands (Associated state of New Zealand)
- Queen's Representative - Apenera Short, Queen's Representative on the Cook Islands (1990–2000)
- Prime Minister - Geoffrey Henry, Prime Minister of the Cook Islands (1989–1999)
- Niue (associated state of New Zealand)
- Premier - Sir Robert Rex, Premier of Niue (1974–1992)
- Tokelau (dependent territory of New Zealand)
- Administrator - Graham Keith Ansell, Administrator of Tokelau (1990–1992)
- Northern Mariana Islands (Commonwealth of the United States)
- Governor - Lorenzo I. De Leon Guerrero, Governor of the Northern Mariana Islands (1990–1994)
- Palau (United Nations Trust Territory administered by the USA)
- President - Ngiratkel Etpison, President of Palau (1989–1993)
- Papua New Guinea
- Monarch - Elizabeth II, Queen of Papua New Guinea (1975–present)
- Governor-General -
- Sir Vincent Eri, Governor-General of Papua New Guinea (1990–1991)
- Dennis Young, Acting Governor-General of Papua New Guinea (1991)
- Sir Wiwa Korowi, Governor-General of Papua New Guinea (1991–1997)
- Prime Minister - Rabbie Namaliu, Prime Minister of Papua New Guinea (1988–1992)
- Pitcairn Islands (British dependent territory)
- Governor - David Moss, Governor of the Pitcairn Islands (1990–1994)
- Magistrate -
- Brian Young, Magistrate of the Pitcairn Islands (1984–1991)
- Jay Warren, Magistrate of the Pitcairn Islands (1991–1999)
- Solomon Islands -
- Monarch - Elizabeth II, Queen of the Solomon Islands (1978–present)
- Governor-General - Sir George Lepping, Governor-General of the Solomon Islands (1988–1994)
- Prime Minister - Solomon Mamaloni, Prime Minister of the Solomon Islands (1989–1993)
- Tonga -
- Monarch - Tāufaʻāhau Tupou IV, King of Tonga (1965–2006)
- Prime Minister -
- Prince Fatafehi Tu'ipelehake, Prime Minister of Tonga (1965–1991)
- Baron Vaea, Prime Minister of Tonga (1991–2000)
- Tuvalu -
- Monarch - Elizabeth II, Queen of Tuvalu (1978–present)
- Governor-General - Sir Toaripi Lauti, Governor-General of Tuvalu (1990–1993)
- Prime Minister - Bikenibeu Paeniu, Prime Minister of Tuvalu (1989–1993)
- Vanuatu -
- President - Frederick Karlomuana Timakata, President of Vanuatu (1989–1994)
- Prime Minister -
- Walter Lini, Prime Minister of Vanuatu (1979–1991)
- Donald Kalpokas, Prime Minister of Vanuatu (1991)
- Maxime Carlot Korman, Prime Minister of Vanuatu (1991–1995)
- Wallis and Futuna (French overseas territory)
- Administrator-Superior - Robert Pommies, Administrator Superior of Wallis and Futuna (1990–1993)
- President of the Territorial Assembly - Clovis Logologofolau, President of the Territorial Assembly of Wallis and Futuna (1990–1992)
- Western Samoa
- Head of State - Malietoa Tanumafili II, O le Ao o le Malo of Western Samoa (1962–2007)
- Prime Minister - Tofilau Eti Alesana, Prime Minister of Western Samoa (1988–1998)
Read more about this topic: List Of State Leaders In 1991