Nur al-Din or Nur ibn Mujahid ibn ‘Ali ibn ‘Abdullah al Dhuhi Suha was an Emir of Harar who ruled over the Adal Sultanate. He was known for marrying his uncle's widow, Bati del Wambara, and he also succeeded Imam Ahmad as leader of the Muslim forces fighting Christian Ethiopia. He is often known as the "King of Adel" in medieval texts.

Harar, known historically by the indigenous as Harar-Gey or simply Gey, is a walled city in eastern Ethiopia. It is also known in Arabic as the City of Saints.