| Start | End | Name | Acronym | Location | Purpose | Comment |
|---|
| 1991 | 2003 | UN Iraq-Kuwait Observation Mission | UNIKOM | Kuwait Iraq
| Enforce Kuwait-Iraq border after Gulf War. | Ended 2003 |
| 1991 | 1995 | UN Angola Verification Mission II | UNAVEM II | Angola | Enforce ceasefire in the Angolan Civil War. | Ended February 1995 |
| 1991 | 1995 | UN Observer Mission in El Salvador | ONUSAL | El Salvador | Enforce ceasefire in the Salvadoran Civil War. | Ended April 1995 |
| 1991 | Ongoing | UN Mission for the Referendum in Western Sahara | MINURSO | Western Sahara (independence disputed by Morocco) | Implement ceasefire and help promote referendum on area's future after the Western Sahara War. | |
| 1991 | 1992 | UN Advance Mission in Cambodia | UNAMIC | Cambodia | Prepare way for UN Transitional Authority in Cambodia after the Cambodian–Vietnamese War. | Ended March 1992 |
| 1992 | 1995 | UN Protection Force | UNPROFOR and UNPREDEP [6] | Croatia Bosnia and Herzegovina
Republic of Macedonia
| Protect area of Croatia, Bosnia and Herzegovina, and the Republic of Macedonia during the Yugoslav Wars. | restructured December 1995 |
| 1992 | 1993 | UN Transitional Authority in Cambodia | UNTAC | Cambodia | Assist reorganization of Cambodia. | Ended September 1993 |
| 1992 | 1993 | UN Operation in Somalia I | UNOSOM I | Somalia | Enforce ceasefire during the Somali Civil War, reorganized as Unified Task Force (UNITAF [7] ) | Replaced March 1993 by UNOSOM II |
| 1992 | 1993 | UN Observer Mission to Verify the Referendum in Eritrea | UNOVER | Ethiopia | Monitor referendum for independence of Eritrea from Ethiopia. | Ended April 1993 |
| 1992 | 1994 | UN Operation in Mozambique | ONUMOZ | Mozambique | Monitor ceasefire in the Mozambican Civil War. | Ended December 1994 |
| 1993 | 1995 | UN Operation in Somalia II | UNOSOM II | Somalia | Stabilize Somalia and assist humanitarian efforts during the Somali Civil War. | Ended March 1995 |
| 1993 | 1994 | UN Observer Mission Uganda-Rwanda | UNOMUR | Rwanda Uganda
| To enforce ceasefire between Rwanda and the rebel group based in Uganda during the Rwandan Civil War. | Ended September 1994 |
| 1993 | 2009 | UN Observer Mission in Georgia | UNOMIG | Georgia Abkhazia (independence from Georgia not recognized by international community)
| Enforce ceasefire between Georgia and Abkhaz separatists after the Abkhaz War. | Russia vetoed extension in June 2009 |
| 1993 | 1996 | UN Observer Mission in Liberia | UNOMIL | Liberia | Monitor ceasefire and elections after the First Liberian Civil War. | Ended September 1997 |
| 1993 | 1996 | UN Mission in Haiti | UNMIH | Haiti | Stabilize Haiti after coup overturned. | Ended June 1996 |
| 1993 | 1996 | UN Assistance Mission for Rwanda | UNAMIR | Rwanda | Monitor ceasefire, and after the Rwandan Genocide to promote relief efforts. | Ended March 1996 |
| 1994 | 1994 | UN Aouzou Strip Observer Group | UNASOG | Chad | Monitor Libya's withdrawal from disputed territory given by International Court of Justice to Chad. | Ended June 1994 |
| 1994 | 2002 | UN Mission of Observers in Tajikistan | UNMOT | Tajikistan | Monitor ceasefire in the Tajikistani Civil War. | Ended May 2000 |
| 1995 | 1997 | UN Angola Verification Mission III | UNAVEM III | Angola | Monitor ceasefire and disarmament. | Ended June 1997, but follow-up mission MONUA |
| 1995 | 1996 | UN Confidence Restoration Operation in Croatia | UNCRO | Croatia | Attempts to implement ceasefire in the Croatian War. | Ended January 1996 |
| 1995 | 1999 | UN Preventive Deployment Force | UNPREDEP | Republic of Macedonia | Replaced UNPROFOR in the Republic of Macedonia and monitored border with Albania. | Ended February 1999 |
| 1995 | 2002 | UN Mission in Bosnia and Herzegovina | UNMIBH | Bosnia and Herzegovina | Monitor human rights, demining, relief after the Bosnian War. | Ended 31 December 2002 |
| 1996 | 1998 | UN Transitional Administration for Eastern Slavonia, Baranja, and Western Sirmium | UNTAES | Eastern Slavonia, Baranja and Western Syrmia | Supervises integration of region into Croatia. | Ended January 1998 |
| 1996 | 2002 | UN Mission of Observers in Prevlaka | UNMOP | Croatia | Monitor demilitarization of the Prevlaka peninsula, Croatia. | Ended December 2002 |
| 1996 | 1997 | UN Support Mission in Haiti | UNSMIH | Haiti | Modernize police and army of Haiti. | Ended July 1997 |
| 1997 | 1997 | UN Verification Mission in Guatemala | MINUGUA | Guatemala | Monitor ceasefire in the Guatemalan Civil War. | Ended May 1997 |
| 1997 | 1999 | UN Observer Mission in Angola | MONUA | Angola | Monitoring ceasefire and disarmament. | Ended February 1999 |
| 1997 | 1997 | UN Transition Mission in Haiti | UNTMIH | Haiti | Help stabilize Haiti. | Ended November 1997 |
| 1997 | 2000 | UN Civilian Police Mission in Haiti | MIPONUH | Haiti | Modernize Haiti's police forces. | Ended March 2000 |
| 1998 | 1998 | UN Civilian Police Support Group | UNPSG | Croatia | Monitor Croatian police | Ended October 1998 |
| 1998 | 2000 | UN Mission in the Central African Republic | MINURCA | Central African Republic | Maintaining security and stability in Central African Republic | Ended February 2000 |
| 1998 | 1999 | UN Observer Mission in Sierra Leone | UNOMSIL | Sierra Leone | Monitor disarmament and demobilization in the Sierra Leone Civil War. | Ended October 1999 |
| 1999 | Ongoing | UN Interim Administration Mission in Kosovo | UNMIK | Kosovo (later Kosovo, claimed by Serbia) | Exercise administrative authority, including administration of justice in Kosovo | |
| 1999 | 2005 | UN Mission in Sierra Leone | UNAMSIL | Sierra Leone | Help stabilize and disarm Sierra Leone | Ended December 2005 |
| 1999 | 1999 | UN Mission in East Timor | UNAMET | Indonesia Indonesian Occupied East Timor
| To oversee popular consultation on political relation to Indonesia | Ended 1999, See UNTAET the follow-up mission. |
| 1999 | 2002 | UN Transitional Administration in East Timor | UNTAET | East Timor (later independent East Timor) | Transition East Timor to independence | Ended May 2002. See UNMISET the follow-up mission. |
| 1999 | 2010 | UN Organization Mission in Democratic Republic of the Congo | MONUC | Democratic Republic of the Congo | Monitor ceasefire in Democratic Republic of the Congo | Ended June 2010. See MONUSCO the follow-up mission. |