ʿAbd Allāh b. Jaḥsh, Abū Muḥammad (d. Shawwāl 3/March 625) was one of the Companions of the Prophet Muḥammad. He was from the tribe of Banū Asad b. Khuzayma. His mother, Umayma, was the daughter of ʿAbd al-Muṭṭalib and therefore the Prophet's aunt (Ibn Saʿd, 3/89; al-Balādhurī, 11/190).

Before the Prophet took up residence in al-Arqam's house, ʿAbd Allāh and his two brothers converted to Islam, and along with their sister, Zaynab, who later married the Prophet (Ibn Saʿd, 8/101 et passim), emigrated to Abyssinia (Ibn Hishām, 1/274, 346; al-Bal…