Dr. Mohamed Mostafa ElBaradei (Arabic: محمد البرادعي‎, transliteration: Muḥammad al-Barādaʿī) (born June 17, 1942, in Cairo, Egypt) is the Director General of the International Atomic Energy Agency (IAEA), an inter-governmental organization under the auspices of the United Nations. An Egyptian, ElBaradei prefers the Latin writing of his name to be spelled ElBaradei rather than hyphenated (El-Baradei). ElBaradei and the IAEA were jointly awarded the Nobel Peace Prize in 2005.

ElBaradei was born and raised in Cairo, Egypt. Mostafa ElBaradei, his attorney father who headed the Egyptian Bar Association, often found himself at odds with the regime of Egyptian President Gamal Abdel Nasser. ElBaradei's father was also a supporter of democratic rights in Egypt, supporting a free press and a legal system that was independent. ElBaradei followed in his father's footsteps and earned his law degree at the University of Cairo in 1962. ElBaradei was one of four children.

ElBaradei is married to Aida Elkachef, an early childhood teacher. They have two children. Their daughter, Laila is a lawyer and lives in London with her husband, Neil Pizey, an investment banker. Mostafa, their son, is program manager at Microsoft Research.