Mustafa Ahmed Ben Halim (Arabic: مصطفى احمد بن حليم‎) (born 29 January 1921) was the Prime Minister of Libya from 12 April 1954 to 25 May 1957.Ben Halim was born in exile in Alexandria, Egypt. He graduated with a BS in Civil Engineering from the Egyptian University in Alexandria in 1943. He returned to Libya in 1950 to help with the reconstruction of the country after the war. He was appointed Minister of Public Works in Libya's first government in 1953.