Lieutenant General Yohannes Gebremeskel Tesfamariam is an Ethiopian lieutenant general who was the Head of Mission and Force Commander of the United Nations Interim Security Force for Abyei (UNISFA) from 2013-2014.

He was appointed to this position by the United Nations Secretary-General Ban Ki-moon on 12 March 2013.

Major-General Halefom Ejigu Moges assumed the post of acting Head of Mission, later succeeded by the appointment of Commander Haile Tilahun Gebremariam.

[2] Major General Birhanu Jula Gelalcha was appointed Force Commander.

His commanding roles include positions as Commander of the Army Corps and the Government of Ethiopia Commissioner for the United Nations Mission in Ethiopia and Eritrea (UNMEE) and Head of the Peacekeeping Department and Head of the Military Intelligence Department in the Ethiopian Ministry of National Defence.