Abu Yusuf Yaqub ibn Abd al-Haqq (أَبُو يُوسُف يَعقُوب بن عَبد الحَقّ abū yūsuf ya`qūb ben `abd al-ḥaqq) (?-20 March 1286) was a Marinid ruler of Morocco. He was the fourth son of Marinid founder Abd al-Haqq and succeeded his brother Abu Yahya in 1258. He died in 1286.