Mustafa Abdul Jalil or Abdul-Jalil (Arabic: مصطفى عبد الجليل, also transcribed Abdul-Jelil, Abd-al-Jalil, Abdel-Jalil, Abdeljalil or Abdu Al Jeleil) (born 1952) is a Libyan politician who was the Chairman of the National Transitional Council from 5 March 2011 until its dissolution on 8 August 2012.