Malik al-Ashtar (Arabic: مَالِك ٱلْأَشْتَر), also known as Mālik bin al-Ḥārith al-Nakhaʿīy al-Maḏḥijīy (Arabic: مَالِك ٱبْن ٱلْحَارِث ٱلنَّخَعِيّ ٱلْمَذْحِجِيّ), was one of the loyal companions of Ali ibn Abi Talib, cousin of the Islamic prophet Muhammad. He remained an avid and loyal supporter of Muhammad's progeny and Hashemite clan. He rose to a position of prominence during the caliphate of Ali and participated in several battles, such as the Battle of Jamal and Siffin. His title "al-Ashtar" signifies an eyelid injury he received during the Battle of Yarmouk.