<!-- "none" is preferred when the title is sufficiently descriptive; see WP:SDNONE -->
The following is a list of international organization leaders in 2003.
UN organizations
{| class="wikitable unsortable"
! Organization !! Title !! Leader !! Country !! In office !! Ref
|-
| Food and Agriculture Organization || Director-general || Jacques Diouf || Senegal || 1994–2011 ||
|-
| International Atomic Energy Agency || Director-general || Mohamed ElBaradei || Egypt || 1997–2009 ||
|-
| rowspan="3" | International Civil Aviation Organization || President of the Council || Assad Kotaite || Lebanon || 1976–2006 ||
|-
| rowspan="2" | Secretary-general || Renato Claudio Costa Pereira || Brazil || 1997–2003 ||
|-
| Taïeb Chérif || Algeria || 2003–2009 ||
|-
| International Labour Organization || Director-general || Juan Somavía || Chile || 1999–2012 ||
|-
| rowspan="12" | United Nations || Secretary-general || Kofi Annan || Ghana || 1997–2006 ||
|-
| rowspan="2" | President of the General Assembly || Jan Kavan || Czech Republic || 2002–2003 ||
|-
| Julian Hunte || Saint Lucia || 2003–2004 ||
|-
| United Nations Security Council members || || China, France, Russia, United Kingdom, United States (permanent members); Bulgaria, Cameroon, Guinea, Mexico, Syria (elected for 2002–2003); Angola, Chile, Germany, Pakistan, Spain (elected for 2003–2004) || ||
|-
| United Nations Children's Fund (UNICEF) Executive Director || Carol Bellamy || United States || 1995–2005 ||
|-
| United Nations Educational, Scientific and Cultural Organization (UNESCO) director-general || Kōichirō Matsuura || Japan || 1999–2009 ||
|-
| rowspan="2" | United Nations High Commissioner for Human Rights || Sérgio Vieira de Mello || Brazil || 2002–2003 ||
|-
| Bertrand Ramcharan || Guyana || 2003–2004 (acting) ||
|-
| United Nations High Commissioner for Refugees (UNHCR) || Ruud Lubbers || Netherlands || 2001–2005 ||
|-
| United Nations Industrial Development Organization (UNIDO) director-general || Carlos Alfredo Magariños || Argentina || 1997–2005 ||
|-
| World Food Programme (WFP) Executive Director || James T. Morris || United States || 2002–2006 ||
|-
| World Health Organization (WHO) director-general || Gro Harlem Brundtland || Norway || 1998–2003 ||
|-
| rowspan="2" | World Meteorological Organization (WMO) || rowspan="2" | President || John Zillman || Australia || 1995–2003 ||
|-
| Alexander Bedritsky || Russia || 2003–2011 ||
|-
| World Tourism Organization (UNWTO) || Secretary-general || Francesco Frangialli || Jordan || 1997–2009 ||
|-
|}
Political and economic organizations
{| class="wikitable unsortable"
! Organization !! Title !! Leader !! Country !! In office !! Ref
|-
| African, Caribbean and Pacific Group of States (ACP) || Secretary-general || Jean-Robert Goulongana || Gabon || 2000–2005 ||
|-
| rowspan="3" | African Union || rowspan="2" | Chairperson || Thabo Mbeki || South Africa || 2002–2003 (first Chairperson) ||
|-
| Joaquim Chissano || Mozambique || 2003–2004 ||
|-
| Chairperson of the Commission || Alpha Oumar Konaré || Mali || 2003–2008 (first Chairperson) ||
|-
| Andean Community || Secretary-general || Guillermo Fernández de Soto || Colombia || 2002–2004 ||
|-
| Arab League || Secretary-general || Amr Moussa || Egypt || 2001–2011 ||
|-
| Arab Maghreb Union || Secretary-general || Habib Boularès || Tunisia || 2002–2006 ||
|-
| Asia-Pacific Economic Cooperation (APEC) || Executive director || Piamsak Milintachinda || Thailand || 2003 ||
|-
| Association of Southeast Asian Nations (ASEAN) || Secretary-general || Ong Keng Yong || Singapore || 2003–2007 ||
|-
| Caribbean Community || Secretary-general || Edwin Carrington || Trinidad and Tobago || 1992–2010 ||
|-
| rowspan="2" | Central American Parliament (PARLACEN) || rowspan="2" | President || Augusto Vela Mena || Guatemala || 2002–2003 ||
|-
| Common Market of East and Southern Africa (COMESA) || Secretary-general || Erastus J. O. Mwencha || Kenya || 1998–2008 ||
|-
| rowspan="2" | Commonwealth of Nations || Head || Queen Elizabeth II || United Kingdom || 1952–present ||
|-
| Secretary-general || Don McKinnon || New Zealand || 2000–2008 ||
|-
| Commonwealth of Independent States || Executive Secretary || Yury Yarov || Russia || 1999–2004 ||
|-
| rowspan="3" | Council of Europe || Secretary General || Walter Schwimmer || rowspan="2" | Austria || 1999–2004 ||
|-
| President of the Parliamentary Assembly of the Council of Europe (PACE) || Peter Schieder || 2002–2005 ||
|-
| President of the European Court of Human Rights (first President) || Luzius Wildhaber || Switzerland || 1998–2007 ||
|-
| East African Community || Secretary-general || Amanya Mushega || Uganda || 2001–2006 ||
|-
| rowspan="2" | Economic Community of West African States (ECOWAS) || Executive Secretary || Mohamed Ibn Chambas || rowspan="2" | Ghana || 2002–2007 (last Executive Secretary) ||
|-
| Chairman || John Kufuor || 2002–2005 ||
|-
| rowspan="2" | Eurasian Economic Community || Secretary-general || Grigory Rapota || Russia || 2001–2007 ||
|-
| Chairman of the Interstate Council || Nursultan Nazarbayev || Kazakhstan || 2001–2014 ||
|-
| European Free Trade Association || Secretary-general || William Rossier || Switzerland || 2000–2006 ||
|-
| rowspan="16" | European Union (EU) || rowspan="2" | Presidency of the European Council || Costas Simitis || Greece || rowspan="2" | 2003 ||
|-
| Silvio Berlusconi || Italy ||
|-
| President of the European Commission || Romano Prodi || Italy || 1999–2004 ||
|-
| President of the European Parliament || Pat Cox || Ireland || 2002–2004 ||
|-
| Secretary-General of the Council || rowspan="2" | Javier Solana || rowspan="2" | Spain || rowspan="2" | 1999–2009 ||
|-
| High Representative for the Common Foreign and Security Policy ||
|-
| rowspan="2" | President of the European Central Bank || Wim Duisenberg || Netherlands || 1998–2003 ||
|-
| Jean-Claude Trichet || France || 2003–2011 ||
|-
| rowspan="2" | European Ombudsman || Jacob Söderman || Finland || 1995–2003 (first Ombudsman) ||
|-
| Nikiforos Diamandouros || Greece || 2003–2013 ||
|-
| President of the Committee of the Regions (CoR) || Albert Bore || Scotland || 2002–2004 ||
|-
| President of the European Investment Bank (EIB) || Philippe Maystadt || Belgium || 2000–2011 ||
|-
| rowspan="2" | President of the European Court of Justice (ECJ) || Gil Carlos Rodríguez Iglesias || Spain || 1994–2003 ||
|-
| Vassilios Skouris || Greece || 2003–2015 ||
|-
| President of the European Court of Auditors (ECA) || Juan Manuel Fabra Vallés || Spain || 2002–2005 ||
|-
| President of the European Economic and Social Committee (EESC) || Roger Briesch || France || 2002–2004 ||
|-
| Gulf Cooperation Council || Secretary-general || Abdul Rahman bin Hamad Al Attiyah || Qatar || 2002–2011 ||
|-
| Indian Ocean Commission || Secretary-general || Wilfrid Bertile || Réunion || 2001–2004 ||
|-
| rowspan="3" | Non-Aligned Movement (NAM) || rowspan="3" | Chairman || Thabo Mbeki || South Africa || 1999–2003 ||
|-
| Mahathir Mohamad || rowspan="2" | Malaysia || 2003 ||
|-
| Abdullah Ahmad Badawi || 2003–2006 ||
|-
| rowspan="2" | Nordic Council || President || Inge Lønning || rowspan="2" | Norway || 2004 ||
|-
| Secretary-general || Frida Nokken || 1999–2007 ||
|-
| rowspan="2" | North Atlantic Treaty Organization (NATO) || rowspan="2" | Secretary-general || George Robertson, Baron Robertson of Port Ellen || United Kingdom || 1999–2004 ||
|-
| Alessandro Minuto-Rizzo || Italy || 2003–2004 (acting) ||
|-
| Organisation for Economic Co-operation and Development (OECD) || Secretary-general || Don Johnston || Canada || 1996–2006 ||
|-
| rowspan="4" | Organization for Security and Co-operation in Europe (OSCE) || Secretary-general || Ján Kubiš || Slovakia || 1999–2005 ||
|-
| rowspan="2" | Chairman-in-Office || Jaap de Hoop Scheffer || rowspan="2" | Netherlands || rowspan="2" | 2003 ||
|-
| Bernard Bot ||
|-
| High Commissioner on National Minorities || Rolf Ekéus || Sweden || 2001–2007 ||
|-
| Organization of American States || Secretary-general || César Gaviria || Colombia || 1994–2004 ||
|-
| Organisation of Eastern Caribbean States || Director-general || Len Ishmael || Saint Lucia || 2003–2013 (first director-general) ||
|-
| Organisation of the Islamic Conference (OIC) || Secretary-general || Abdelouahed Belkeziz || Morocco || 2001–2004 ||
|-
| Pacific Community (SPC) || Director-general || Lourdes Pangelinan || Guam || 2000–2006 ||
|-
| rowspan="2" | Pacific Islands Forum || rowspan="2" | Secretary-general || Noel Levi || Papua New Guinea || 1998–2004 ||
|-
| Greg Urwin || Australia || 2004–2008 ||
|-
| South Asian Association for Regional Cooperation (SAARC) || Secretary-general || Q. A. M. A. Rahim || Bangladesh || 2002–2005 ||
|-
| Southern African Development Community || Executive Secretary || Prega Ramsamy || Mauritius || 2001–2005 ||
|-
| rowspan="2" | Unrepresented Nations and Peoples Organization (UNPO) || rowspan="2" | Secretary-general || Erkin Alptekin || Uyghurs || 2000–2003 ||
|-
| Marino Busdachin || Italy || 2003–2018 ||
|-
| Western European Union || Secretary-general || Javier Solana || Spain || 1999–2009 ||
|-
| World Trade Organization (WTO) || Director-general || Supachai Panitchpakdi || Thailand || 2002–2005 ||
|-
|}
Financial organizations
{| class="wikitable unsortable"
! Organization !! Title !! Leader !! Country !! In office !! Ref
|-
| African Development Bank || President || Omar Kabbaj || Morocco || 1995–2005 ||
|-
| Asian Development Bank || President || Tadao Chino || Japan || 1999–2005 ||
|-
| European Bank for Reconstruction and Development|| President || Jean Lemierre || France || 2000–2008 ||
|-
| Inter-American Development Bank (IADB) || President || Enrique V. Iglesias || Uruguay/Spain || 1988–2005 ||
|-
| International Monetary Fund || Managing director || Horst Köhler || Germany || 2000–2004 ||
|-
| Islamic Development Bank (IDB) || President || Ahmed Mohammed Ali Al-Madani || Saudi Arabia || 1975–present ||
|-
| World Bank || President || James Wolfensohn || Australia/United States || 1995–2005 ||
|-
|}
Sports organizations
{| class="wikitable unsortable"
! Organization !! President !! Country !! In office !! Ref
|-
| Asian Football Confederation (AFC) || Mohamed bin Hammam || Qatar || 2002–2011 ||
|-
| Badminton World Federation (BWF) || Korn Dabbaransi || Thailand || 2001–2005 ||
|-
| Confédération africaine de football (CAF) || Issa Hayatou || Cameroon || 1988–2017 ||
|-
| Confederation of North, Central American and Caribbean Association Football (CONCACAF) || Jack A. Warner || Trinidad and Tobago || 1990–2011 ||
|-
| Confederación Sudamericana de Fútbol (CONMEBOL) || Nicolás Leoz || Paraguay || 1986–2013 ||
|-
| Fédération internationale de basket-ball || Carl Men Ky Ching || China || 2002–2006 ||
|-
| Fédération Internationale de Football Association (FIFA) || Sepp Blatter || Switzerland || 1998–2015 ||
|-
| Fédération Internationale de Gymnastique (FIG) || Bruno Grandi || Italy || 1996–2016 ||
|-
| Fédération internationale de natation (FINA) || Mustapha Larfaoui || Algeria || 1988–2009 ||
|-
| Fédération Internationale de Volleyball (FIVB) || Rubén Acosta || Mexico || 1984–2008 ||
|-
| Fédération Internationale des Sociétés d'Aviron (FISA) || Denis Oswald || Switzerland || 1989-2014 ||
|-
| Fédération Équestre Internationale (FEI) || Infanta Pilar, Duchess of Badajoz || Spain || 1994–2006 ||
|-
| Fédération Internationale d'Escrime (FIE) || René Roch || France || 1993–2008 ||
|-
| International Blind Sports Federation (IBSA) || Enrique Perrez || Spain || 2001–2005 ||
|-
| International Association of Athletics Federations || Lamine Diack || Senegal || 1999–2015 ||
|-
| International Boxing Association (IBA) || Anwar Chowdhry || Pakistan || 1986–2006 ||
|-
| rowspan="2" | International Cricket Council (ICC) || Malcolm Gray || Australia || 2000–2003 ||
|-
| Ehsan Mani || Pakistan || 2003–2006 ||
|-
| International Handball Federation (IHF) || Hassan Moustafa || Egypt || 2000–present<!--next election should be in late 2023--> ||
|-
| International Hockey Federation (FIIH) || René Fasel || Switzerland || 1994–2021 ||
|-
| International Judo Federation (IJF) || Park Yong-sung || South Korea || 1995–2007 ||
|-
| International Olympic Committee (IOC) || Jacques Rogge || Belgium || 2001–2013 ||
|-
| International Paralympic Committee (IPC) || Philip Craven || United Kingdom || 2001–2017 ||
|-
| rowspan="2" | International Rugby Board (IRB) || Vernon Pugh || Australia || 1994–2003 ||
|-
| Syd Millar || Northern Ireland || 2003–2007 ||
|-
| rowspan="2" | International Sailing Federation (ISAF) || Paul Henderson || Canada || 1994–2004 ||
|-
| Göran Petersson || Sweden || 2004–2012 ||
|-
| International Shooting Sport Federation (ISSF) || Olegario Vázquez Raña || Mexico || 1980–2018 ||
|-
| International Table Tennis Federation (ITTF) || Adham Sharara || Canada || 1999–2014 ||
|-
| International Tennis Federation (ITF) || Francesco Ricci Bitti || Italy || 1999–2015 ||
|-
| World Taekwondo Federation (WTF) || Un Yong Kim || South Korea || 1973–2004 (first President) ||
|-
| International Triathlon Union (ITU) || Les McDonald || United Kingdom/Canada || 1989–2008 ||
|}
Other organizations
{| class="wikitable unsortable"
! Organization !! Title !! Leader !! Country !! In office !! Ref
|-
| rowspan="2" | Colombo Plan || rowspan="2" | Secretary-general || Sarat Chandran || India || 1999–2003 ||
|-
| Kittipan Kanjanapipatkul || Thailand || 2003–2007 ||
|-
| La Francophonie || Secretary-general || Abdou Diouf || Senegal || 2003–2014 ||
|-
| Intergovernmental Authority on Development (IGAD) || Executive Secretary || Attalla Bashir || Sudan || 2000–2008 ||
|-
| International Committee of the Red Cross || President || Jakob Kellenberger || Switzerland || 2000–2012 ||
|-
| rowspan="2" | International Court of Justice || rowspan="2" | Presidents || Gilbert Guillaume || France || 2000–2003 ||
|-
| Shi Jiuyong || China || 2003–2006 ||
|-
| International Criminal Court || President || Philippe Kirsch || Canada || 2003–2009 (first President) ||
|-
| rowspan="2" | International Criminal Police Organization (Interpol) || Secretary-general || Ronald Noble || United States || 2000–2014 ||
|-
| President || Jesús Espigares-Mira || Spain || 2000–2004 ||
|-
| International Federation of Red Cross and Red Crescent Societies (IFRC) || President || Juan Manuel Suárez Del Toro Rivero || Spain || 2001–2009 ||
|-
| International Maritime Organization || Secretary-general || William A. O'Neil || Canada || 1990–2003 ||
|-
| International Organization for Migration (IOM) || Director-general || Brunson McKinley || United States || 1998–2008 ||
|-
| International Telecommunication Union || Secretary-general || Yoshio Utsumi || Japan || 1998–2006 ||
|-
| Organisation for the Prohibition of Chemical Weapons (OPCW) || Director-general || Rogelio Pfirter || Argentina || 2002–2010 ||
|-
| Organization of the Petroleum Exporting Countries (OPEC) || Secretary-general || Alvaro Silva Calderon || Venezuela || 2002–2003 ||
|-
| Universal Postal Union || Director-general || Thomas E. Leavey || United States || 1994–2005 ||
|-
| World Intellectual Property Organization (WIPO) || Director-general || Kamil Idris || Sudan || 1997–2008 ||
|}
See also
- List of state leaders in 2003
- List of religious leaders in 2003
- List of colonial governors in 2003
- List of international organization leaders in 2002
- List of international organization leaders in 2004