Shaykh ʿAbd al-Husayn Amini (Arabic: عبدالحسین امینی), known as 'Allama Amini the author of the well-known book al-Ghadir, was a Shi'a jurist, muhaddith, theologian, historian, codicologist and one of the great Shi'a scholars in the fourteenth/twentieth century. Besides writing numerous important scholarly works, he also established in the city of Najaf the Amir al-Mu'minin Library, which includes 70,000 manuscripts.