Muhammad al-Mu'tamid ibn Abbad (; * 1040 in Beja, Portugal; † 1095 in Aghmat, Marokko) war der Sohn des Taifa-Königs Abbad II. ###>Muhammad ibn Abbad al-Mu'tamid ; reigned c. 1069–1091, lived 1040-1095) was the third and last ruler of the taifa of Seville in Al-Andalus.