Muhammad Baqir al-Sadr (Arabic: ??? ???? ?????? ????? ???? ???? ??????) (March 1, 1935 – April 9, 1980) was an Iraqi Shia cleric, philosopher, and the ideological founder of the Islamic Dawa Party, born in al-Kazimiya, Iraq.
He was father-in-law to Muqtada al-Sadr, a cousin of Muhammad Sadeq al-Sadr and Imam Musa as-Sadr.
His father Haydar al-Sadr was a well-respected high-ranking Shi'a cleric.
His lineage can be traced back to Muhammad through the seventh Shia Imam Musa al-Kazim.
Muhammad Baqir Al-Sadr was executed in 1980 by the regime of Saddam Hussein.