Mustafa Badreddine, (‎; 6 April 1961 – c. 12 May 2016), also known as Mustafa Badr Al Din, Mustafa Amine Badreddine, Mustafa Youssef Badreddine, Sami Issa and Elias Fouad Saab, was a Lebanese military leader. He was a member of Hezbollah. He both the cousin and brother-in-law of late Imad Mugniyah. He was nicknamed Dhu al-Fiqar.