The Zayyanids (, Ziyānyūn) or Abd al-Wadids (, Bānu ʿabd āl-Wād) are a Berber Zenata dynasty that ruled the Kingdom of Tlemcen, an area of northwestern Algeria, centered on Tlemcen, whose territory stretched from Tlemcen to the Chelif bend and Algiers, and reached at its zenith the Moulouya river to the west, Sijilmasa to the south and the Soummam river to the east. Their rule lasted from 1235 to 1556.