Kaʿb b. Mālik al-Anṣārī (d. 50/670 or 53/673) was a poet from the Banū Salima branch of the Khazraj and an early convert of the Anṣār (Medinan Companions of the Prophet). Kaʿb's birthdate is unknown but it appears he was an adult when Muḥammad emigrated to Yathrib (1/622), since he was reportedly present at the second ʿAqaba meeting (where leaders of Yathrib swore allegiance to the Prophet), and the Prophet reportedly changed Kaʿb's kunya from Abū Bashīr to Abū ʿAbdallāh (Ibn Ḥajar, al-Iṣāba ,