Abu Abdallah Tabiti (or Thabet) or Abu Abdallah(Mohammed) IV () (ruled 1475–1505) was a Sultan of the Kingdom of Tlemcen in Algeria. He was a son of Abu Abdallah III and was succeeded by his son Abu Abdallah V. During his reign he defeated Portugal in the battle of Mers El Kebir (1501) and the Oran fatwa were made at the same year of his reigns end.
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