Sadeq al-Sadr (Arabic: ???? ????? ???? ??????; Mu?ammad Mu?ammad ?adiq a?-?adr) (March 23, 1943 – February 19, 1999), often referred to as Muhammad Sadiq as-Sadr which is his father's name, was a prominent Iraqi Twelver Shi'a cleric of the rank of Grand Ayatollah.
He called for government reform and the release of detained Shi'a leaders.
The growth of his popularity, often referred to as the followers of the Vocal Hawza, also put him in competition with other Shi'a leaders, including Ayatollah Mohammed Baqir al-Hakim who was exiled in Iran.
He is the father of Muqtada al-Sadr, one of the most influential religious and popular figures in Iraq.