علي بن يوسف
Abd al-Qadir ibn Ali ibn Yusuf al-Fasi or Sidi Abdelkader el-Fassi (; c. 1599–1680) or, in full, Abu Mohammed, Abu Sa'ud Abd al-Qadir al-Fasi ibn Abu al-Hasan Ali ibn Abu al-Mahasin Yusuf al-Qasri al-Fasi was the founder of the Shadhili zawiyya of Ksar-el-Kebir. His biography, "Tuhfat al-Kebir", was written by his son Abd al-Rahman al-Fasi. He was one of the most prominent members of the "al-Fasi" family.