Grand Ayatollah Muhammad Husayn Fadlallah (also Sayyed Muhammad Hussein Fadl-Allāh; Arabic: محمد حسين فضل الله; 16 November 1935 – 4 July 2010) was a prominent twelver Shia cleric from a Lebanese family. Born in Najaf, Iraq, Fadlallah studied Islam in Najaf before moving to Lebanon in 1952.