Oceania
- American Samoa (unorganized, unincorporated territory of the United States)
- Governor - Tauese Sunia, Governor of American Samoa (1997–2003)
- Australia -
- Monarch - Elizabeth II, Queen of Australia (1952–present)
- Governor-General - Sir William Deane, Governor-General of Australia (1996–2001)
- Prime Minister - John Howard, Prime Minister of Australia (1996–2007)
- Christmas Island (external territory of Australia)
- Administrator -
- Graham Nicholls, Acting Administrator of Christmas Island (1998-1999)
- Bill Taylor, Administrator of Christmas Island (1999–2003)
- Shire President - Dave McLane, Shire president of Christmas Island (1998–2001)
- Administrator -
- Cocos (Keeling) Islands (external territory of Australia)
- Administrator -
- Graham Nicholls, Acting Administrator of Cocos (Keeling) Islands (1998-1999)
- Bill Taylor, Administrator of Cocos (Keeling) Islands (1999–2003)
- Shire President -
- Radal bin Feyrel, Shire president of Cocos (Keeling) Islands (1995-1999)
- Mohammad Said Chongkin, Shire president of Cocos (Keeling) Islands (1999-2001)
- Administrator -
- Norfolk Island (self-governing territory of Australia)
- Administrator - Tony Messner, Administrator of Norfolk Island (1997–2003)
- Chief Minister - George Charles Smith, Chief Minister of Norfolk Island (1997–2000)
- Fiji -
- President - Ratu Sir Kamisese Mara, President of Fiji (1993–2000)
- Prime Minister -
- Sitiveni Rabuka, Prime Minister of Fiji (1992–1999)
- Mahendra Chaudhry, Prime Minister of Fiji (1999–2000)
- French Polynesia (French overseas territory)
- High Commissioner - Jean Aribaud, High Commissioner of the Republic in French Polynesia (1997–2001)
- President of the Government - Gaston Flosse, President of the Government of French Polynesia (1991–2004)
- Guam (Insular area of the United States)
- Governor - Carl T.C. Gutierrez, Governor of Guam (1995–2003)
- Kiribati
- President - Teburoro Tito, President of Kiribati (1994–2003)
- Marshall Islands
- President - Imata Kabua, President of the Marshall Islands (1997–2000)
- Micronesia
- President -
- Jacob Nena, President of Micronesia (1997–1999)
- Leo Falcam, President of Micronesia (1999–2003)
- President -
- Nauru
- President -
- Bernard Dowiyogo, President of Nauru (1998–1999)
- René Harris, President of Nauru (1999–2000)
- President -
- New Caledonia (French overseas territory until 1999, then Sui Generis Collectivity of France)
- High Commissioner -
- Dominique Bur, High Commissioner of New Caledonia (1995–1999)
- Bernard Bouloc, Acting High Commissioner of New Caledonia (1999)
- Thierry Lataste, High Commissioner of New Caledonia (1999–2002)
- President of the Government - Jean Lèques, President of the Government of New Caledonia (1999–2001)
- High Commissioner -
- New Zealand -
- Monarch - Elizabeth II, Queen of New Zealand (1952–present)
- Governor-General - Sir Michael Hardie Boys, Governor-General of New Zealand (1996–2001)
- Prime Minister -
- Jenny Shipley, Prime Minister of New Zealand (1997–1999)
- Helen Clark, Prime Minister of New Zealand (1999–2008)
- Cook Islands (Associated state of New Zealand)
- Queen's Representative - Sir Apenera Short, Queen's Representative of the Cook Islands (1990–2000)
- Prime Minister -
- Geoffrey Henry, Prime Minister of the Cook Islands (1989–1999)
- Joe Williams, Prime Minister of the Cook Islands (1999)
- Terepai Maoate, Prime Minister of the Cook Islands (1999–2002)
- Niue (associated state of New Zealand)
- Premier -
- Frank Lui, Premier of Niue (1993–1999)
- Sani Lakatani, Premier of Niue (1999–2002)
- Premier -
- Tokelau (dependent territory of New Zealand)
- Administrator - Lindsay Watt, Administrator of Tokelau (1993–2003)
- Head of Government -
- Kuresa Nasau, Head of Government of Tokelau (1998–1999)
- Pio Tuia, Head of Government of Tokelau (1999–2000)
- Northern Mariana Islands (Commonwealth of the United States)
- Governor - Pedro Tenorio, Governor of the Northern Mariana Islands (1998–2002)
- Palau
- President - Kuniwo Nakamura, President of Palau (1993–2001)
- Papua New Guinea
- Monarch - Elizabeth II, Queen of Papua New Guinea (1975–present)
- Governor-General - Sir Silas Atopare, Governor-General of Papua New Guinea (1997–2003)
- Prime Minister -
- Bill Skate, Prime Minister of Papua New Guinea (1997–1999)
- Sir Mekere Morauta, Prime Minister of Papua New Guinea (1999–2002)
- Pitcairn Islands (British dependent territory)
- Governor - Martin Williams, Governor of the Pitcairn Islands (1998–2001)
- Mayor -
- Jay Warren, Magistrate of the Pitcairn Islands (1991–1999)
- Steve Christian, Mayor of the Pitcairn Islands (1999–2004)
- Samoa
- Head of State - Malietoa Tanumafili II, O le Ao o le Malo of Samoa (1962–2007)
- Prime Minister - Tuilaepa Sailele Malielegaoi, Prime Minister of Samoa (1998–present)
- Solomon Islands -
- Monarch - Elizabeth II, Queen of the Solomon Islands (1978–present)
- Governor-General -
- Sir Moses Pitakaka, Governor-General of the Solomon Islands (1994–1999)
- Sir John Lapli, Governor-General of the Solomon Islands (1999–2004)
- Prime Minister - Bartholomew Ulufa'alu, Prime Minister of the Solomon Islands (1997–2000)
- Tonga -
- Monarch - Tāufaʻāhau Tupou IV, King of Tonga (1965–2006)
- Prime Minister - Baron Vaea, Prime Minister of Tonga (1991–2000)
- Tuvalu -
- Monarch - Elizabeth II, Queen of Tuvalu (1978–present)
- Governor-General - Sir Tomasi Puapua, Governor-General of Tuvalu (1998–2003)
- Prime Minister -
- Bikenibeu Paeniu, Prime Minister of Tuvalu (1996–1999)
- Ionatana Ionatana, Prime Minister of Tuvalu (1999–2000)
- Vanuatu -
- President -
- Jean Marie Leye Lenelgau, President of Vanuatu (1994–1999)
- Edward Natapei, Acting President of Vanuatu (1999)
- John Bani, President of Vanuatu (1999–2004)
- Prime Minister -
- Donald Kalpokas, Prime Minister of Vanuatu (1998–1999)
- Barak Sopé, Prime Minister of Vanuatu (1999–2001)
- President -
- Wallis and Futuna (French overseas territory)
- Administrator-Superior - Christian Dors, Administrator Superior of Wallis and Futuna (1998–2000)
- President of the Territorial Assembly -
- Victor Brial, President of the Territorial Assembly of Wallis and Futuna (1997–1999)
- Soane Mani Uhila, President of the Territorial Assembly of Wallis and Futuna (1999–2001)
Read more about this topic: List Of State Leaders In 1999