Zayyanids (Arabic: زيانيون, Ziyānyūn) or Abd al-Wadids (Arabic: بنو عبد الواد), or Banu Zayan, is the name of an Islamic Berber Zenata dynasty in North Africa. The Zayyanids, whose capital was Tlemcen(in modern day Algeria) existed from 1235 to 1556. They were also known as Abdelwadid.