Abu Faris Abdallah, nicknamed al-Wathik Billah (1564–1608) was a ruler of the Saadi dynasty. He was one of the three sons of Ahmad al-Mansur and reigned in different parts of the country (1603–1608), the South, Marrakesh and Fez. He especially fought his brother Zidan Abu Maali (r. 1603–1627).