The United Nations Interim Security Force for Abyei (UNISFA) is a United Nations peacekeeping force in Abyei, which is contested between the Republic of Sudan and the Republic of South Sudan.

UNISFA was approved on 27 June 2011 by the United Nations Security Council in United Nations Security Council Resolution 1990 after a flareup in the South Kordofan conflict earlier in June 2011.

[2] In the operation's initial years, the position of Head of Mission and Force Commander were jointly held by the same person.

Since 28 January 2015, the Head of Mission has been Haile Tilahun Gebremariam.

[3] Since April 2018, the Force Commander has been Major General Gebre Adhana Woldezgu.