Abū ʿAmmār, ʿAbd al-Kāfī b. Abī Yaʿqūb Yūsuf b. Ismāʿīl b. Yūsuf b. Muḥammad al-Tanāwatī (d. before 570/1175), was an Ibāḍī-Wahbī theologian and jurist from Warjlān (Wargla).

The date of his death is not specified in the sources, but given that he was a pupil of Abū Zakariyyāʾ al-Warjalānī (al-Darjīnī, 2/489), who died towards the end of the 5th/early 12th century, and that Abū Yaʿqūb al-Warjalānī (d. 570/1175) also referred to his death in al-Dalīl wa al-burhān (1/63), Abū ʿAmmār must have died sometime in the …