| Valentin Inzko | 1 March 2009 - 31 July 2021 |
| Robert Hannigan | 1 March 2010 - May 2014 |
| Sauli Niinistö | 1 March 2012 - Present |
| Jacinda Ardern | 1 March 2017 - 1 August 2017 |
| John Frewen | 1 March 2018 - 2020 |
| Mari Elka Pangestu | 1 March 2020 - Present |
| David Frost | 1 March 2021 - 18 December 2021 |
| Mohammad Mossadegh | 1 May 1920 - 19 August 1953 |
| John Moore-Brabazon | 1 May 1941 - 22 February 1942 |
| Tekin Ariburun | 1 May 1959 - 27 May 1960 |
| Paul Freeman | 1 May 1962 - 18 March 1965 |
| Anastasio Somoza Debayle | 1 May 1967 - 1 May 1972 |
| Gerhard Wessel | 1 May 1968 - 31 December 1978 |
| Kim Young-sam | 1 May 1987 - 8 February 1988 |
| Frits Bolkestein | 1 May 1990 - 30 July 1998 |
| Frits Bolkestein | 1 May 1990 - 30 July 1998 |
| Mahmoud Ahmadinejad | 1 May 1993 - 28 June 1997 |
| Renato Ruggiero | 1 May 1995 - 1 September 1999 |
| Iccho Itoh | 1 May 1995 - 18 April 2007 |
| Charles Clarke | 1 May 1997 - 12 April 2010 |
| Angela Smith | 1 May 1997 - 12 April 2010 |
| Tony McNulty | 1 May 1997 - 12 April 2010 |
| Jacqui Smith | 1 May 1997 - 12 April 2010 |
| Gillian Merron | 1 May 1997 - 12 April 2010 |
| Martin Linton | 1 May 1997 - 12 April 2010 |
| David Amess | 1 May 1997 - 15 October 2021 |
| John Gilbert | 1 May 1997 - 17 May 1999 |
| Martin McGuinness | 1 May 1997 - 2 January 2013 |
| Gerry Adams | 1 May 1997 - 26 January 2011 |
| Fiona Mactaggart | 1 May 1997 - 3 May 2017 |
| Francis Maude | 1 May 1997 - 30 March 2015 |
| Steve Webb | 1 May 1997 - 30 March 2015 |
| James Arbuthnot | 1 May 1997 - 30 March 2015 |
| George Young | 1 May 1997 - 30 March 2015 |
| Dave Watts | 1 May 1997 - 30 March 2015 |
| Mike Hancock | 1 May 1997 - 30 March 2015 |
| Paul Burstow | 1 May 1997 - 30 March 2015 |
| Andrew Lansley | 1 May 1997 - 30 March 2015 |
| Jim Murphy | 1 May 1997 - 30 March 2015 |
| Norman Baker | 1 May 1997 - 30 March 2015 |
| Peter Luff | 1 May 1997 - 30 March 2015 |
| John Bercow | 1 May 1997 - 4 November 2019 |
| Owen Paterson | 1 May 1997 - 4 November 2021 |
| Ian Gibson | 1 May 1997 - 5 June 2009 |
| Lorna Fitzsimons | 1 May 1997 - 5 May 2005 |
| Melanie Johnson | 1 May 1997 - 5 May 2005 |
| Christopher Leslie | 1 May 1997 - 5 May 2005 |
| Chris Pond | 1 May 1997 - 5 May 2005 |
| Phil Woolas | 1 May 1997 - 5 November 2010 |
| Philip Hammond | 1 May 1997 - 5 November 2019 |
| Alan Clark | 1 May 1997 - 5 September 1999 |
| Stephen Ladyman | 1 May 1997 - 6 May 2010 |
| Louise Ellman | 1 May 1997 - 6 November 2019 |
| Michael Fallon | 1 May 1997 - 6 November 2019 |
| Oliver Letwin | 1 May 1997 - 6 November 2019 |
| Shaun Woodward | 1 May 1997 - 7 June 2001 |
| Nicholas Lyell | 1 May 1997 - 7 June 2001 |
| David Miliband | 1 May 1997 - 7 June 2001 |
| Barbara Follett | 1 May 1997 - 7 May 2010 |
| Hazel Blears | 1 May 1997 - 7 May 2015 |
| Vince Cable | 1 May 1997 - 7 May 2015 |
| Nicholas Soames | 1 May 1997 - Present |
| Peter Bottomley | 1 May 1997 - Present |
| Caroline Spelman | 1 May 1997 - Present |
| Yvette Cooper | 1 May 1997 - Present |
| Crispin Blunt | 1 May 1997 - Present |
| Julian Lewis | 1 May 1997 - Present |
| Ivan Lewis | 1 May 1997 - Present |
| John McDonnell | 1 May 1997 - Present |
| Maria Eagle | 1 May 1997 - Present |
| Barry Gardiner | 1 May 1997 - Present |
| David Davis | 1 May 1997 - Present |
| Theresa May | 1 May 1997 - Present |
| Siobhain McDonagh | 1 May 1997 - Present |
| Desmond Swayne | 1 May 1997 - Present |
| Maria Eagle | 1 May 1997 - Present |
| Christopher Chope | 1 May 1997 - Present |
| Ed Davey | 1 May 1997 - Present |
| Lindsay Hoyle | 1 May 1997 - Present |
| Bill Newton Dunn | 1 May 1999 - 2 July 2014 |
| Ruth Metzler | 1 May 1999 - 31 December 2003 |
| Ruth Metzler | 1 May 1999 - 31 December 2003 |
| Michael Russell | 1 May 1999 - 6 May 2003 |
| Michael Russell | 1 May 1999 - 6 May 2003 |
| Roger Helmer | 1 May 1999 - Present |
| Horst Köhler | 1 May 2000 - 4 March 2004 |
| Godfrey Bloom | 1 May 2004 - 2 July 2014 |
| Ahmed Chalabi | 1 May 2005 - 20 May 2006 |
| Ellen Margrethe Løj | 1 May 2005 - 31 May 2005 |
| Vitaly Churkin | 1 May 2006 - 20 February 2017 |
| Jerry Mateparae | 1 May 2006 - 23 January 2011 |
| Guido Westerwelle | 1 May 2006 - 28 October 2009 |
| Nouri al-Maliki | 1 May 2007 - 8 September 2014 |
| Steve Rotheram | 1 May 2008 - 7 May 2009 |
| Mehmet Şimşek | 1 May 2009 - 24 November 2015 |
| Ali Babacan | 1 May 2009 - 28 August 2015 |
| Chris Patten | 1 May 2011 - 6 May 2014 |
| Jens Weidmann | 1 May 2011 - Present |
| Tharman Shanmugaratnam | 1 May 2011 - Present |
| Karen Pierce | 1 May 2015 - 29 February 2016 |
| Raimonda Murmokaitė | 1 May 2015 - 31 May 2015 |
| Amr Abdellatif Aboulatta | 1 May 2016 - 31 May 2016 |
| Michael Lynk | 1 May 2016 - Present |
| Werner Baumann | 1 May 2016 - Present |
| Kim Beazley | 1 May 2018 - Present |
| Penny Mordaunt | 1 May 2019 - 24 July 2019 |
| Rory Stewart | 1 May 2019 - Present |
| Tharman Shanmugaratnam | 1 May 2019 - Present |
| Larry Whitty | 1 May 2020 - Present |
| Debbie Wilcox | 1 May 2020 - Present |
| Ruth Lister | 1 May 2020 - Present |
| Nicola Blackwood | 1 May 2020 - Present |
| Olli-Pekka Heinonen | 1 May 2021 - Present |
| William Melville | 1 November 1903 - 1909 |
| İsmet İnönü | 1 November 1923 - 22 November 1924 |
| Richard Crossman | 1 November 1968 - 19 June 1970 |
| Fred Peart | 1 November 1968 - 20 June 1970 |
| Edward Shackleton | 1 November 1968 - 20 June 1970 |
| Fred Peart | 1 November 1968 - 20 June 1970 |
| Michael Manley | 1 November 1980 - 10 February 1989 |
| Galip Balkar | 1 November 1981 - 9 March 1983 |
| Michael Jeffery | 1 November 1993 - 17 August 2000 |
| Gerhard Schröder | 1 November 1997 - 27 October 1998 |
| Ernst Hirsch Ballin | 1 November 2000 - 22 September 2006 |
| Jean-Claude Trichet | 1 November 2003 - 31 October 2011 |
| Christian Noyer | 1 November 2003 - 31 October 2015 |
| Albert Rivera Díaz | 1 November 2006 - 4 August 2015 |
| Dominique Strauss-Kahn | 1 November 2007 - 18 May 2011 |
| Keir Starmer | 1 November 2008 - 1 November 2013 |
| John Sawers | 1 November 2009 - 1 November 2014 |
| Mark Lyall Grant | 1 November 2009 - May 2015 |
| Johann Schneider-Ammann | 1 November 2010 - Present |
| Johann Schneider-Ammann | 1 November 2010 - Present |
| Doris Leuthard | 1 November 2010 - Present |
| Binali Yıldırım | 1 November 2011 - 25 December 2013 |
| Horst Seehofer | 1 November 2011 - 31 October 2012 |
| Mario Draghi | 1 November 2011 - 31 October 2019 |
| Ignazio Visco | 1 November 2011 - Present |
| Hardeep Singh Puri | 1 November 2012 - 30 November 2012 |
| Alison Saunders | 1 November 2013 - 31 October 2018 |
| Christos Stylianides | 1 November 2014 - 1 December 2019 |
| Jean-Claude Juncker | 1 November 2014 - 1 December 2019 |
| Günther Oettinger | 1 November 2014 - 1 January 2017 |
| Margaritis Schinas | 1 November 2014 - 18 July 2019 |
| Cecilia Malmström | 1 November 2014 - 30 November 2019 |
| Pierre Moscovici | 1 November 2014 - 30 November 2019 |
| Alex Younger | 1 November 2014 - 30 September 2020 |
| Kristalina Georgieva | 1 November 2014 - 31 December 2016 |
| Federica Mogherini | 1 November 2014 - Present |
| Věra Jourová | 1 November 2014 - Present |
| Jyrki Katainen | 1 November 2014 - Present |
| Frans Timmermans | 1 November 2014 - Present |
| Frans Timmermans | 1 November 2014 - Present |
| Margrethe Vestager | 1 November 2014 - Present |
| Elżbieta Bieńkowska | 1 November 2014 - Present |
| Mevlüt Çavuşoğlu | 1 November 2015 - 10 July 2018 |
| Stanislaw Tillich | 1 November 2015 - 31 October 2016 |
| Ali Babacan | 1 November 2015 - 7 June 2015 |
| Binali Yıldırım | 1 November 2015 - 7 June 2015 |
| François Villeroy de Galhau | 1 November 2015 - Present |
| Jens Weidmann | 1 November 2015 - Present |
| Ignazio Cassis | 1 November 2017 - Present |
| Max Hill | 1 November 2018 - Present |
| Christine Lagarde | 1 November 2019 - Present |
| Francisco Franco | 1 October 1936 - 20 November 1975 |
| Patrick Gordon Walker | 1 October 1945 - 15 October 1964 |
| Chou En-lai | 1 October 1949 - 8 January 1976 |
| Sven Andersson | 1 October 1951 - 22 March 1957 |
| Odvar Nordli | 1 October 1961 - 30 September 1981 |
| Joseph Carroll | 1 October 1961 - September 1969 |
| John Stonehouse | 1 October 1969 - 19 June 1970 |
| Knut Frydenlund | 1 October 1969 - 26 February 1987 |
| Einar Førde | 1 October 1969 - 30 September 1989 |
| Stig Synnergren | 1 October 1970 - 30 September 1978 |
| Jan P. Syse | 1 October 1973 - 17 September 1997 |
| Ole Myrvoll | 1 October 1973 - 30 September 1977 |
| Ian Trethowan | 1 October 1977 - 31 July 1982 |
| Göran Persson | 1 October 1979 - 11 June 1985 |
| Arthur Dunkel | 1 October 1980 - 1 July 1993 |
| Jan Petersen | 1 October 1981 - 30 September 2009 |
| Hans-Dietrich Genscher | 1 October 1982 - 17 May 1992 |
| Hans-Dietrich Genscher | 1 October 1982 - 17 May 1992 |
| Helmut Kohl | 1 October 1982 - 27 October 1998 |
| James Mackay | 1 October 1985 - 28 October 1987 |
| Jørgen Kosmo | 1 October 1985 - 30 September 2005 |
| Mikhail Gorbachev | 1 October 1988 - 25 May 1989 |
| John Bernander | 1 October 1989 - 30 September 1993 |
| Odd Roger Enoksen | 1 October 1993 - 30 September 2005 |
| Thorbjørn Jagland | 1 October 1993 - 30 September 2009 |
| Geert Wilders | 1 October 1997 - April 1998 |
| Jacques Wallage | 1 October 1998 - 25 June 2009 |
| Jeremy Greenstock | 1 October 1998 - 31 October 1998 |
| Jean-Marie Guéhenno | 1 October 2000 - 30 June 2008 |
| Jan Peter Balkenende | 1 October 2001 - 11 July 2002 |
| Nicolò Pollari | 1 October 2001 - 20 November 2006 |
| Alan Rodger | 1 October 2001 - 30 September 2009 |
| Trine Skei Grande | 1 October 2001 - 30 September 2021 |
| Jan Peter Balkenende | 1 October 2001 - 9 June 2010 |
| Alexander Pechtold | 1 October 2003 - 31 March 2005 |
| Laila Freivalds | 1 October 2004 - 1 November 2004 |
| Jørgen Kosmo | 1 October 2005 - 30 September 2013 |
| Anniken Huitfeldt | 1 October 2005 - Present |
| Alan Rusbridger | 1 October 2008 - 13 May 2016 |
| Trevor Colman | 1 October 2008 - 26 May 2014 |
| Rachel Lomax | 1 October 2008 - 3 April 2014 |
| Valerie Amos | 1 October 2009 - 1 September 2010 |
| Thorbjørn Jagland | 1 October 2009 - 18 September 2019 |
| Alan Rodger | 1 October 2009 - 26 June 2011 |
| Jonas Gahr Støre | 1 October 2009 - Present |
| Michael Tetzschner | 1 October 2009 - Present |
| Christophe Béchu | 1 October 2011 - 1 October 2017 |
| Stephen House | 1 October 2012 - 30 November 2015 |
| Brian Leveson | 1 October 2013 - 23 June 2019 |
| Jeremy Farrar | 1 October 2013 - Present |
| Emily O’Reilly | 1 October 2013 - Present |
| Michael Christopher Daly | 1 October 2014 - 15 December 2015 |
| Martin Moore-Bick | 1 October 2014 - 7 December 2016 |
| Sherard Cowper-Coles | 1 October 2014 - Present |
| François Baroin | 1 October 2014 - Present |
| Lim Hng Kiang | 1 October 2015 - 30 April 2018 |
| Eliza Manningham-Buller | 1 October 2015 - April 2021 |
| James Arbuthnot | 1 October 2015 - Present |
| Tharman Shanmugaratnam | 1 October 2015 - Present |
| Ulf Kristersson | 1 October 2017 - 18 October 2022 |
| François Delattre | 1 October 2017 - 31 March 2019 |
| Hadia Tajik | 1 October 2017 - Present |
| Ulf Kristersson | 1 October 2017 - Present |
| Martin Reynolds | 1 October 2019 - 3 February 2022 |
| Kristalina Georgieva | 1 October 2019 - Present |
| Irina Nevzlin | 1 October 2019 - Present |
| Frank Vandenbroucke | 1 October 2020 - Present |
| Alexander De Croo | 1 October 2020 - Present |
| Richard Moore | 1 October 2020 - Present |
| Vincent Van Quickenborne | 1 October 2020 - Present |
| Tinne Van der Straeten | 1 October 2020 - Present |
| Mpho Moerane | 1 October 2021 - 22 November 2021 |
| Guri Melby | 1 October 2021 - Present |
| Alan Westerman | 1 September 1960 - 17 December 1963 |
| Pierre-Paul Schweitzer | 1 September 1963 - 31 August 1973 |
| Harlan Cleveland | 1 September 1965 - 11 June 1969 |
| Muammar Gaddafi | 1 September 1969 - 2 March 1977 |
| Muammar Gaddafi | 1 September 1969 - 23 August 2011 |
| Shimon Peres | 1 September 1970 - 10 March 1974 |
| Johan Witteveen | 1 September 1973 - 16 June 1978 |
| Chun Doo-hwan | 1 September 1980 - 24 February 1988 |
| Matías Rodríguez Inciarte | 1 September 1981 - 28 October 1982 |
| Eduardo Valle | 1 September 1985 - 31 August 1988 |
| Jonathan Sacks | 1 September 1991 - 1 September 2013 |
| Michael Moskow | 1 September 1994 - 31 August 2007 |
| Arthur Sinodinos | 1 September 1997 - 3 December 2007 |
| Alex Allan | 1 September 1997 - 31 January 1999 |
| Mike Moore | 1 September 1999 - 1 September 2002 |
| Ernst Welteke | 1 September 1999 - 16 April 2004 |
| Felipe Calderón | 1 September 2000 - 12 February 2003 |
| Jonathan Evans | 1 September 2001 - February 2005 |
| Andrew Parker | 1 September 2001 - 2005 |
| Supachai Panitchpakdi | 1 September 2002 - 1 September 2005 |
| Haider al-Abadi | 1 September 2003 - 1 June 2004 |
| Ahmed Chalabi | 1 September 2003 - 30 September 2003 |
| Helen Liddell | 1 September 2005 - 1 October 2009 |
| Pascal Lamy | 1 September 2005 - 1 September 2013 |
| Supachai Panitchpakdi | 1 September 2005 - 30 August 2013 |
| Gus O'Donnell | 1 September 2005 - 31 December 2011 |
| Gus O'Donnell | 1 September 2005 - 31 December 2011 |
| Gus O'Donnell | 1 September 2005 - 31 December 2011 |
| Omid Nouripour | 1 September 2006 - Present |
| Nobuo Tanaka | 1 September 2007 - 1 September 2011 |
| Navi Pillay | 1 September 2008 - 31 August 2014 |
| Jonathan Sacks | 1 September 2009 - 7 November 2020 |
| Valerie Amos | 1 September 2010 - 29 May 2015 |
| Ertuğrul Apakan | 1 September 2010 - 30 September 2010 |
| Roberto Azevêdo | 1 September 2013 - 31 August 2020 |
| Patrick Vallance | 1 September 2013 - 31 March 2018 |
| David Miliband | 1 September 2013 - Present |
| Ephraim Mirvis | 1 September 2013 - Present |
| Stella Ronner-Grubačić | 1 September 2015 - Present |
| Harry Hart | 1 September 2017 - 1 February 2019 |
| Daniel Lafayeedney | 1 September 2017 - 14 February 2020 |
| Anthony Cooke | 1 September 2017 - 15 Aug 2023 |
| Piroska Nagy-Mohacsi | 1 September 2017 - 2 December 2019 |
| Philip Matthews | 1 September 2017 - 7 May 2019 |
| Minouche Shafik | 1 September 2017 - Present |
| Livia Leu | 1 September 2018 - 14 October 2020 |
| María Teresa Marú Mejía | 1 September 2018 - 3 August 2021 |
| Brian Hook | 1 September 2018 - Present |
| Matti Apunen | 1 September 2019 - Present |
| Tim Davie | 1 September 2020 - Present |
| Wendy Chamberlain | 1 September 2020 - Present |
| Tim Barrow | 1 September 2020 - Present |
| Jan Björklund | 1 September 2020 - Present |
| Simon McDonald | 1 September 2022 - Present |
| Christina Markus Lassen | 1 September 2022 - Present |
| Eigil Jørgensen | 1. February 1974 - 1983 |
| Geir Lundestad | 1. January 1990 - 31. December 2014 |
| Christine Beerli | 1. January 2008 - Present |
| Myron Cowen | 1. July, 1948 - 3 March,1949 |
| Thomas Ahrenkiel | 1. September 2010 - 2015 |
| David Lloyd George | 10 April 1890 - 26 March 1945 |
| Hermann Göring | 10 April 1933 - 23 April 1945 |
| Dag Hammarskjöld | 10 April 1953 - 18 September 1961 |
| Fred Peart | 10 April 1972 - 5 March 1974 |
| Donald D. Engen | 10 April 1984 - 2 July 1987 |
| Nick Raynsford | 10 April 1986 - 11 June 1987 |
| Stephen Byers | 10 April 1992 - 12 April 2010 |
| Michael Ancram | 10 April 1992 - 12 April 2010 |
| John Hutton | 10 April 1992 - 12 April 2010 |
| Geoff Hoon | 10 April 1992 - 12 April 2010 |
| Bill Olner | 10 April 1992 - 12 April 2010 |
| Ken Purchase | 10 April 1992 - 12 April 2010 |
| John Horam | 10 April 1992 - 12 April 2010 |
| Alan Milburn | 10 April 1992 - 12 April 2010 |
| Patrick Mayhew | 10 April 1992 - 2 May 1997 |
| Nicholas Lyell | 10 April 1992 - 2 May 1997 |
| Nicholas Lyell | 10 April 1992 - 2 May 1997 |
| William Waldegrave | 10 April 1992 - 20 July 1994 |
| Kenneth Clarke | 10 April 1992 - 27 May 1993 |
| Malcolm Rifkind | 10 April 1992 - 5 July 1995 |
| Jan Petersen | 10 April 1994 - 9 May 2004 |
| Gerry Adams | 10 April 1998 - 8 May 2007 |
| Angela Merkel | 10 April 2000 - 7 December 2018 |
| Ruprecht Polenz | 10 April 2000 - November 2000 |
| Bernard Bajolet | 10 April 2013 - 20 May 2017 |
| Cressida Dick | 10 April 2017 - 10 April 2022 |
| Doug Fears | 10 April 2018 - July 12, 2019 |
| Stephen House | 10 April 2022 - 12 September 2022 |
| Jean Monnet | 10 August 1952 - 3 June 1955 |
| Theodore Eliot | 10 August 1969 - 26 September 1973 |
| Cesare Pucci | 10 August 1992 - 12 July 1994 |
| William Webster | 10 August 2005 - 18 August 2020 |
| Rafael Correa | 10 August 2009 - 26 November 2010 |
| Annegret Kramp-Karrenbauer | 10 August 2011 - 28 February 2018 |
| Maria Zakharova | 10 August 2015 - Present |
| Robert Peel | 10 December 1834 - 8 April 1835 |
| Henry Petty-Fitzmaurice | 10 December 1888 - 11 October 1894 |
| Edward Grey | 10 December 1905 - 10 December 1916 |
| Herbert Asquith | 10 December 1905 - 12 April 1908 |
| David Lloyd George | 10 December 1905 - 12 April 1908 |
| Richard Haldane | 10 December 1905 - 12 June 1912 |
| James Bryce | 10 December 1905 - 23 January 1907 |
| Andrew Bonar Law | 10 December 1916 - 10 January 1919 |
| Edward Stanley | 10 December 1916 - 18 April 1918 |
| George Curzon | 10 December 1916 - 22 January 1924 |
| Andrew Bonar Law | 10 December 1916 - 23 March 1921 |
| George Curzon | 10 December 1916 - 23 October 1919 |
| Arthur Balfour | 10 December 1916 - 23 October 1919 |
| Alcide De Gasperi | 10 December 1945 - 17 August 1953 |
| Alcide De Gasperi | 10 December 1945 - 19 April 1953 |
| Richard Casey | 10 December 1949 - 10 February 1960 |
| William McMahon | 10 December 1949 - 13 March 1982 |
| Clyde Cameron | 10 December 1949 - 19 September 1980 |
| Rab Butler | 10 December 1950 - 28 October 1951 |
| Malcolm Fraser | 10 December 1955 - 7 May 1983 |
| Agostinho Neto | 10 December 1956 - 10 September 1979 |
| John Gorton | 10 December 1958 - 18 December 1963 |
| William McMahon | 10 December 1958 - 26 January 1966 |
| Paul Girolami | 10 December 1985 - November 1994 |
| Václav Klaus | 10 December 1989 - 2 July 1992 |
| Cristina Kirchner | 10 December 1995 - 3 December 1997 |
| Cristina Kirchner | 10 December 1995 - 3 December 1997 |
| Cristina Kirchner | 10 December 1997 - 9 December 2001 |
| Cristina Kirchner | 10 December 1997 - 9 December 2001 |
| Helen Clark | 10 December 1999 - 19 November 2008 |
| Cristina Kirchner | 10 December 2001 - 9 December 2005 |
| Cristina Kirchner | 10 December 2001 - 9 December 2005 |
| Leonid Nevzlin | 10 December 2003 - 13 June 2004 |
| Cristina Kirchner | 10 December 2005 - 28 November 2007 |
| Cristina Kirchner | 10 December 2005 - 28 November 2007 |
| Julia Gillard | 10 December 2006 - 3 December 2007 |
| Julia Gillard | 10 December 2006 - 3 December 2007 |
| Cristina Kirchner | 10 December 2007 - 9 December 2015 |
| Sanna Marin | 10 December 2019 - 20 June 2023 |
| Martín Guzmán | 10 December 2019 - Present |
| Cristina Kirchner | 10 December 2019 - Present |
| Lassina Zerbo | 10 December 2021 - 24 January 2022 |
| Valentine Fleming | 10 February 1910 - 20 May 1917 |
| Valentine Fleming | 10 February 1910 - 20 May 1917 |
| Max Aitken | 10 February 1918 - 4 November 1918 |
| Max Aitken | 10 February 1918 - 4 November 1918 |
| Hermann Göring | 10 February 1941 - 23 April 1945 |
| Jawaharlal Nehru | 10 February 1953 - 10 January 1955 |
| Enrico Mattei | 10 February 1953 - 27 October 1962 |
| James Bryant Conant | 10 February 1953 - 5 May 1955 |
| Lionel Murphy | 10 February 1975 - 21 October 1986 |
| Michael Manley | 10 February 1989 - 30 March 1992 |
| Karl-Theodor zu Guttenberg | 10 February 2009 - 27 October 2009 |
| James Slack | 10 February 2017 - 31 December 2020 |
| Mary Lou McDonald | 10 February 2018 - Present |
| Andrew Bonar Law | 10 January 1919 - 1 April 1921 |
| Winston Churchill | 10 January 1919 - 13 February 1921 |
| Winston Churchill | 10 January 1919 - 13 February 1921 |
| Alfred Milner | 10 January 1919 - 13 February 1921 |
| F. E. Smith | 10 January 1919 - 19 October 1922 |
| Harold Macmillan | 10 January 1957 - 18 October 1963 |
| Harold Macmillan | 10 January 1957 - 18 October 1963 |
| Anthony Barber | 10 January 1957 - 22 October 1959 |
| John Morris | 10 January 1966 - 16 April 1968 |
| Margaret Thatcher | 10 January 1967 - 20 June 1970 |
| Anthony Barber | 10 January 1967 - 20 June 1970 |
| John Gorton | 10 January 1968 - 10 March 1971 |
| John Gorton | 10 January 1968 - 10 March 1971 |
| Thomas Sankara | 10 January 1983 - 17 May 1983 |
| Daniel Ortega | 10 January 1985 - 25 April 1990 |
| Ernst Hirsch Ballin | 10 January 1994 - 18 January 1994 |
| Isaac Herzog | 10 January 2005 - 23 November 2005 |
| John Faulkner | 10 January 2007 - 27 February 2008 |
| Daniel Ortega | 10 January 2007 - Present |
| François-Philippe Champagne | 10 January 2017 - 18 July 2018 |
| Nicola Blackwood | 10 January 2019 - 13 February 2020 |
| Sigrid Kaag | 10 January 2022 - Present |
| Wopke Hoekstra | 10 January 2022 - Present |
| Wopke Hoekstra | 10 January 2022 - Present |
| William Pitt the Younger | 10 July 1782 - 31 March 1783 |
| Giuseppe Volpi | 10 July 1925 - 9 July 1928 |
| Harold Wilson | 10 July 1947 - 29 September 1947 |
| Manuel Fraga Iribarne | 10 July 1962 - 29 October 1969 |
| Edgar Faure | 10 July 1968 - 23 June 1969 |
| Boris Yeltsin | 10 July 1991 - 31 December 1999 |
| Ad Melkert | 10 July 1998 - 16 May 2002 |
| Paddy Ashdown | 10 July 2001 - Present |
| Mariano Rajoy | 10 July 2002 - 4 September 2003 |
| Mariano Rajoy | 10 July 2002 - 4 September 2003 |
| Paul O'Sullivan | 10 July 2005 - 28 February 2009 |
| Annika Saarikko | 10 July 2017 - 6 June 2019 |
| Richard Haldane | 10 June 1912 - 25 May 1915 |
| Jean Monnet | 10 June 1919 - 31 January 1923 |
| William McMahon | 10 June 1964 - 26 January 1966 |
| Anthony Barber | 10 June 1965 - 10 October 1974 |
| Tony Benn | 10 June 1975 - 4 May 1979 |
| John Hume | 10 June 1979 - 13 June 2004 |
| Altiero Spinelli | 10 June 1979 - 23 May 1986 |
| Andrew Hunter | 10 June 1983 - 11 April 2005 |
| John Hume | 10 June 1983 - 11 April 2005 |
| Tam Dalyell | 10 June 1983 - 11 April 2005 |
| Michael Howard | 10 June 1983 - 12 April 2010 |
| Richard Caborn | 10 June 1983 - 12 April 2010 |
| David Chidgey | 10 June 1994 - 11 April 2005 |
| Nick Clegg | 10 June 1999 - 10 June 2004 |
| Andrew Duff | 10 June 1999 - 2 July 2014 |
| Martin Callanan | 10 June 1999 - 2 July 2014 |
| Struan Stevenson | 10 June 1999 - 2 July 2014 |
| Peter Skinner | 10 June 1999 - 2 July 2014 |
| Malcolm Harbour | 10 June 1999 - 2 July 2014 |
| Richard Howitt | 10 June 1999 - 2 November 2016 |
| Sarah Ludford | 10 June 1999 - 22 May 2014 |
| David Martin | 10 June 1999 - 23 May 2019 |
| Robert Sturdy | 10 June 1999 - 26 May 2014 |
| Giles Chichester | 10 June 1999 - 26 May 2014 |
| Michael Cashman | 10 June 1999 - 26 May 2014 |
| Liz Lynne | 10 June 1999 - 3 February 2012 |
| Glenys Kinnock | 10 June 1999 - 5 June 2009 |
| Diana Wallis | 10 June 1999 - 8 March 2012 |
| Geoffrey van Orden | 10 June 1999 - Present |
| Jean Lambert | 10 June 1999 - Present |
| Charles Tannock | 10 June 1999 - Present |
| Jacqueline Foster | 10 June 1999 - Present |
| Ian Hudghton | 10 June 1999 - Present |
| Nirj Deva | 10 June 1999 - Present |
| Nigel Farage | 10 June 1999 - Present |
| Jill Evans | 10 June 1999 - Present |
| Linda McAvan | 10 June 1999 - Present |
| Timothy Kirkhope | 10 June 1999 - Present |
| Hilary Benn | 10 June 1999 - Present |
| Giulio Tremonti | 10 June 2001 - 3 July 2004 |
| Gerard Batten | 10 June 2004 - 1 July 2019 |
| Alyn Smith | 10 June 2004 - 12 December 2019 |
| Derek Roland Clark | 10 June 2004 - 2 July 2014 |
| Fiona Hall | 10 June 2004 - 2 July 2014 |
| Mike Nattrass | 10 June 2004 - 2 July 2014 |
| Joanne McCartney | 10 June 2004 - Present |
| Eero Heinäluoma | 10 June 2005 - 6 June 2008 |
| Margaret Hodge | 10 June 2010 - 30 March 2015 |
| Dave Smith | 10 June 2010 - Present |
| Gikas Hardouvelis | 10 June 2014 - 27 January 2015 |
| Archibald Primrose | 10 March 1894 - 21 June 1895 |
| Golda Meir | 10 March 1949 - 19 June 1956 |
| Fulgencio Batista | 10 March 1952 - 1 January 1959 |
| William McMahon | 10 March 1971 - 5 December 1972 |
| John Gorton | 10 March 1971 - August 1972 |
| Yitzhak Shamir | 10 March 1980 - 20 October 1986 |
| Garret Fitzgerald | 10 March 1982 - 14 December 1982 |
| Roger Lallemand | 10 March 1988 - 16 May 1988 |
| Ruth Dreifuss | 10 March 1993 - 31 December 2002 |
| Eduardo Ferro Rodrigues | 10 March 2001 - 23 January 2002 |
| Alex Pravda | 10 March 2001 - 6 August 2003 |
| Kostas Karamanlis | 10 March 2004 - 15 February 2006 |
| Kostas Karamanlis | 10 March 2004 - 6 October 2009 |
| George Papandreou | 10 March 2004 - 6 October 2009 |
| George Alogoskoufis | 10 March 2004 - 8 January 2009 |
| Reuven Rivlin | 10 March 2009 - 22 February 2013 |
| Mala Gaonkar | 10 March 2014 - Present |
| Oliver Haarman | 10 March 2014 - Present |
| William Pitt the Younger | 10 May 1804 - 23 January 1806 |
| William Pitt the Younger | 10 May 1804 - 23 January 1806 |
| Winston Churchill | 10 May 1940 - 26 July 1945 |
| Winston Churchill | 10 May 1940 - 26 July 1945 |
| Neville Chamberlain | 10 May 1940 - 3 October 1940 |
| Guido Colonna di Paliano | 10 May 1948 - July 1956 |
| Konstantinos Mitsotakis | 10 May 1978 - 10 May 1980 |
| Konstantinos Karamanlis | 10 May 1980 - 10 March 1985 |
| Konstantinos Mitsotakis | 10 May 1980 - 21 October 1981 |
