Dhuʾayb ibn Mūsā al-Wādiʿī al-Hamdānī (Arabic: ذؤيب بن موسى الوادعي الهمداني; died 29 April 1151 CE in Hooth, Yemen) was the first dāʿī al-muṭlaq, a position of spiritual authority in Tayyibi Isma'ili Islam. He was appointed to the position by Queen Arwa al-Sulayhi.