| Abu Faris Abdallah | |
| Succession: | Sultan of Morocco |
| Reign: | 1603 – 1608 |
| Predecessor: | Ahmad al-Mansur |
| Full Name: | Abu Faris Abdallah bin Ahmad al-Mansur |
| Era Dates: | (16th–17th Centuries) |
| Father: | Ahmad al-Mansur |
| Mother: | Elkheizourân |
| Religion: | Sunni Islam |
| Successor: | Abdallah al-Ghalib II |
| Birth Place: | Saadi Sultanate |
| Death Date: | (aged 43–44) |
| Death Place: | Saadi Sultanate |
| Dynasty: | House of Saadi |
Abu Faris Abdallah, known as al-Wathiq Billah (1564 – 1608) was a Saadi dynasty ruler of some areas of Morocco. He was one of the sons of Ahmad al-Mansur and one of his harem slave concubines named Elkheizourân (some cite her name as Eldjauher).[1] He ruled in the south of the country as well as Marrakesh and Fez between 1603 and 1608. He had numerous fights with his half-brother Zidan Abu Maali (r. 1603–1627).