List of non-UN peacekeeping missions

Below is a list of current and historical peacekeeping missions which were not mandated by the United Nations.

Current

KFOR is a NATO-led multinational force responsible for establishing and maintaining security in Kosovo. This peace-enforcement force entered Kosovo on June 12, 1999 under a United Nations mandate, two days after the adoption of UN Security Council Resolution 1244, but it is not a United Nations blue helmeted peacekeeping mission.
ISAF is a (currently) NATO-led multinational force that performs "peacekeeping" in Afghanistan since December 2001.^[1] (see also UNAMA)

Current African Union missions include:

AMISOM is the African Union force in Somalia since February 2007 in response to the War in Somalia.
MISCA is the African Union force in CAR since 2011 response to the Central African Republic conflict under the Djotodia administration.

Multinational Force and Observers on the Sinai Peninsula mandated on April 25, 1982 continues to observe compliance with the Egyptian-Israeli Treaty of Peace. It is an observation organisation not an occupation but it does place some restrictions on the sovereignty of the area it observes.^[2]
The Australian/New Zealand-led Operation Helpem Fren in the Solomon Islands (since July 2003) and Operation Astute in Timor-Leste (since May 2006).

IFOR was a NATO-led multinational force that took over responsibilities from UNPROFOR in Bosnia-Herzegovina, 1995–1996.
SFOR was a NATO-led multinational force that took over responsibilities from IFOR, 1996–2004

End the First and Second Liberian Civil Wars, 1990–1995 and 2003 respectively.
End the Sierra Leone Civil War, 1997-2000. The Organisation of African Unity endorsed the Nigerian-led West African peacekeeping force in 1998.
Guinea-Bissau in 1999
Guinea/Liberia border in 2001.

AMIS was the African Union force in Darfur, Sudan starting August 2004 in response to the Darfur Conflict. It merged with UNAMID, a UN-mandated peacekeeping force deployed in Darfur, in December 2007.

Indian Peace Keeping Force (IPKF) - Indian peacekeeping operations in Sri Lanka between 1987 and 1990.

^ NATO in Afghanistan
^ The official web site of the Multinational Force and Observers see legal disclaimer "the MFO enjoys immunity from the civil and criminal jurisdiction of local courts and other privileges and immunities customarily accorded international organizations" and Mission "Operation of checkpoints, reconnaissance patrols, and observation posts along the international boundary and Line B, and within Zone C."