UNEF may refer to:
*
United Nations Emergency Force, a
UN force deployed in the Middle East in 1956
* UNEF, a designation for Extra-Fine thread series of
Standard Unified Screw Threads (ANSI B1.1)
*
Union Nationale des Étudiants de France (National Union of Students of France), a French students' union
* United Nations Exploratory Force, a fictional military organization in the science fiction novel ''
The Forever War''
{{disambiguation