Judge Cecil Stanley Margo (born 10 July 1915, Johannesburg, died 19 November 2000, Johannesburg) was a member of the South African judiciary.
He was the fifth child of Saul Lewis Margo and Amelia Hilson, South African immigrants of eastern European Jewish descent.
He received his law degree at the University of the Witwatersrand and was called to the Johannesburg Bar in 1937 where he practiced as an advocate.
During the Second World War Cecil Margo completed three tours of duty, in the Middle East, North Africa and Europe, flying no fewer than 190 strike missions and eventually assuming command of the renowned 24 Bomber Squadron of the South African Air Force. During this time he was awarded the Distinguished Service Order and the Distinguished Flying Cross.