Haile Menkerios (born October 1, 1946) is an Eritrean diplomat who has served as the Head of the United Nations Office to the African Union (UNOAU) and as Special Representative to the African Union, at the level of Under-Secretary-General from 2013 until 2018. He was appointed to this position by United Nations Secretary-General Ban Ki-moon on 17 May 2013. Menkerios previously served as the United Nations Special Envoy of the Secretary-General for Sudan and South Sudan at the level of Under-Secretary-General. He was the Assistant Secretary-General for Political Affairs.