Al-Zayadina (singular: Zaydani or Zidany, also known as Banu Zaydan) were an Arab clan based in the Levant with possible origins in the Hejaz. They were well known for being the clan of Zahir al-Umar, who ruled a semi-autonomous sheikhdom in the Galilee and other parts of Palestine in the 18th century. They were Sunni Muslims and affiliated with the Qaysi tribal alliance.