Sadr refers to a prominent family in Iraq known for its significant influence in Shia Islam. The most notable figure is Muhammad Sadr, a cleric who played a crucial role in the political landscape of Iraq during the late 20th century. His teachings and leadership have inspired many followers, contributing to the rise of Shia political movements in the region. The term "Sadr" can also refer to the Sadrist Movement, a political and social movement led by Muqtada al-Sadr, the son of Muhammad Sadr. This movement advocates for social justice, anti-corruption, and the empowerment of the Shia community in Iraq.