| Name | Title | Date of appointment |
| Ms. Ingeborg Ulrika Ulfsdotter Richardson | Deputy Special Representative of the United Nations Support Mission in Libya and Resident Coordinator in Libya | 08 August 2025 |
| Ms. Georgette Gagnon | Deputy Special Representative of the Secretary-General for Afghanistan with the United Nations Assistance Mission in Afghanistan | 03 September 2024 |
| Mr. Milbert Dongjoon Shin | Deputy Special Representative of the United Nations Interim Administration Mission in Kosovo | 24 July 2024 |
| Mr. Barrie Freeman | Deputy Special Representative of the Secretary-General for West Africa and the Sahel | 10 May 2024 |
| Ms. Stephanie Koury | Deputy Special Representative for Political Affairs in the United Nations Support Mission in Libya, Officer-in-Charge | 1 March 2024 |
| Ms. Anita Kiki Gbeho | Deputy Special Representative of the Secretary-General for South Sudan Resident Coordinator & Humanitarian Coordinator of the United Nations Mission in South Sudan | 08 December 2023 |
| Mr. Indrika Ratwatte | Deputy Special Representative of the Secretary-General for Afghanistan with the United Nations Assistance Mission in Afghanistan and Resident and Humanitarian Coordinator in Afghanistan | 07 November 2023 |
| Mr. Mohamed Ag Ayoya | Deputy Special Representative of the Secretary-General for the United Nations Multidimensional Integrated Stabilization Mission in the Central African Republic, Resident and Humanitarian Coordinator for the Central African Republic | 21 November 2022 |
| Ms. Ulrika Richardson | Deputy Special Representative of the Secretary-General for the United Nations Integrated Office in Haiti and Resident and Humanitarian Coordinator in Haiti | 12 May 2022 |
| Raúl Rosende Rodriguez | Deputy Special Representative and Deputy Head of the United Nations Verification Mission in Colombia | 15 March 2022 |
| Bruno Lemarquis | Deputy Special Representative of the Secretary-General in the United Nations Organization Stabilization Mission in the Democratic Republic of the Congo and Resident and Humanitarian Coordinator in the Democratic Republic of the Congo | 18 January 2022 |
| Ghulam Mohammad Isaczai | Deputy Special Representative of the Secretary-General for Iraq and in the United Nations Assistance Mission for Iraq and Resident Coordinator and Humanitarian Coordinator for Iraq | 19 July 2022 |
| Guang Cong | Deputy Special Representative of the Secretary-General for South Sudan and Deputy Head of the United Nations Mission in South Sudan | 24 March 2020 |
| Name | Title | Appointment period |
| Martti Ahtisaari | United Nations Commissioner for Namibia | Special Representative of the Secretary-General and Head of the United Nations Transition Assistance Group | 1 January 1977 - 1 April 1982 | April 1989 - March 1990 |
| Jean Arnault | Special Representative of the Secretary-General for Guatemala and Head of the United Nations Verification Mission in Guatemala | Special Representative of the Secretary-General for Burundi and Head of the United Nations Office in Burundi | Special Representative of the Secretary General in Afghanistan and Head of the United Nations Assistance Mission in Afghanistan | Deputy Special Representative | Special Representative of the Secretary-General for Georgia and Head of the United Nations Observer Mission in Georgia | Special Representative of the Secretary-General for Colombia and Head of the United Nations Verification Mission in Colombia | 1997 - 2000 | 2000 - 2001 | 2004 - 2006 | 2002 - 2003 | 2006 - 2008 | July 2017 -December 2018 |
| José Victor da Silva Ângelo | Special Representative of the Secretary-General and Head of the United Nations Mission in the Central African Republic and Chad | 31 January 2008 - 31 December 2010 |
| Louise Arbour | Special Representative of the Secretary-General for International Migration | 9 March 2017 - 31 December 2018 |
| Zainab Bangura | Special Representative of the Secretary-General on Sexual Violence in Conflict | 22 June 2012 - 12 April 2017 |
| Natalio Ecarma III | Special Representative of the Secretary-General for the United Nations Disengagement Observer Force in the Golan Heights | 10 March 2010 - 13 August 2013 |
| Yash Ghai | Special Representative of the Secretary-General for human rights in Cambodia | 1 November 2005 - 2008 |
| Julian Harston | Special Representative of the Secretary-General in Haiti | Special Representative of the Secretary-General for United Nations Mission for the Referendum in Western Sahara | Deputy Special Representative of the Secretary General for the United Nations Mission in Bosnia and Herzegovina | Special Representative of the Secretary-General and Director of the United Nations Office in Belgrade | 1997–1999 | ? | 1999 -April 2001 | March -November 2009 |
| Sukehiro Hasegawa | Special Representative of the Secretary-General for East Timor and Head of the United Nations Mission of Support to East Timor and the United Nations Office in East Timor | 21 May 2004 - September 2006 |
| Hina Jilani | Special Representative of the Secretary-General for Human Rights Defenders | 2000 - 2008 |
| Joseph E. Johnson | Special Representative of the Secretary-General for the Conciliation Commission for Palestine | 1961 - 1963 |
| Michael Keating | Special Representative of the Secretary-General and Head of the United Nations Assistance Mission in Somalia | 23 November 2015 - 1 October 2018 |
| Jacques Paul Klein | Special Representative of the Secretary General for the United Nations Mission in Bosnia and Herzegovina | Special Representative of the Secretary-General for United Nations Mission in Liberia | 2001 - 2003 | 2003 - 2005 |
| Bernard Kouchner | Special Representative of the Secretary-General for Kosovo | 15 July 1999 - 12 January 2001 |
| Deborah Lyons | Special Representative of the Secretary-General for Afghanistan and Head of the United Nations Assistance Mission in Afghanistan | 24 March 2020 - 16 June 2022 |
| Ian Martin | Special Representative of the Secretary-General and Head of United Nations Mission in Nepal | Special Representative of the Secretary-General and Head of the United Nations Support Mission in Libya | 2006 - 2009 | 11 September 2011 - 14 October 2012 |
| Ad Melkert | Special Representative of the Secretary-General for the United Nations Assistance Mission for Iraq | 7 July 2009 - 1 October 2011 |
| David Nabarro | Special Representative of the Secretary-General on Food Security and Nutrition | 2009 - 2017 |
| Jan Pronk | Special Representative of the Secretary-General for the United Nations Mission in Sudan | 1 July 2004 - 10 December 2006 |
| John Noel Reedman | Special Representative of the Secretary-General in Palestine | |
| John Ruggie | Special Representative of the Secretary-General on human rights and transnational corporations and other business enterprises | 2005 - 2011 |
| William L. Swing | Special Representative of the Secretary-General for Western Sahara and Head of the United Nations Mission for the Referendum in Western Sahara | Special Representative of the Secretary-General and Head of the United Nations Organization Stabilization Mission in the Democratic Republic of the Congo | 2001 - 2003 | May 2003 -January 2008 |
| Peter Sutherland | Special Representative of the Secretary-General for International Migration | 12 January 2006 - 9 March 2017 |
| James Swan | Special Representative of the Secretary-General for Somalia and Head of the United Nations Assistance Mission in Somalia | 30 May 2019 - 27 October 2022 |
| Sérgio Vieira de Mello | Special Representative of the Secretary-General for Kosovo | Special Representative of the Secretary-General for East Timor | Special Representative of the Secretary-General for Iraq | 13 June 1999 - 15 July 1999 | December 1999 - May 2002 | 2003 - 2004 |
| Mohamed Sahnoun | Special Representative of the Secretary-General for Somalia and Head of the United Nations Operation in Somalia I | April - November 1992 |
| Abdallah Wafy | Deputy Special Representative of the Secretary-General for the Democratic Republic of the Congo and the United Nations Organization Stabilization Mission in the Democratic Republic of the Congo | 2013 - 2015 |
| Leila Zerrougui | Special Representative of the Secretary-General for the Democratic Republic of the Congo and the United Nations Organization Stabilization Mission in the Democratic Republic of the Congo | January 2018 - February 2021 |
| Mr. Colin Stewart | Special Representative of the Secretary-General and Head of the United Nations Peacekeeping Force in Cyprus and Deputy to the Secretary-General’s Special Adviser on Cyprus | December 2021 - August 2025 |