Ḥamzah ibn ʿAbd al-Muṭṭalib was a foster brother, companion and paternal uncle of the Islamic prophet Muhammad.
He was martyred in the Battle of Uhud on 22 March 625. His kunyas were "Abū ʿUmārah" and "Abū Yaʿlā". He had the by-names Asad Allāh and Asad al-Jannah, and Muhammad gave him the posthumous title Sayyid ash-Shuhadāʾ.