| Zaouiat Ahmed Ben Yaddas | |
| Native Name: | زاوية أحمد بن يداس |
| Native Name Lang: | ar |
| Settlement Type: | Religious site |
| Pushpin Map: | Western Sahara |
| Pushpin Relief: | y |
| Coordinates: | 25.4441°N -14.7653°W |
| Subdivision Type: | Non-self-governing territory |
| Subdivision Name: | Western Sahara |
| Subdivision Type2: | Claimed by |
| Subdivision Name2: |  Morocco |
| Subdivision Type3: | Controlled by |
| Subdivision Name3: | Morocco |
| Subdivision Type4: | Region |
| Subdivision Name4: | Laâyoune-Sakia El Hamra |
| Subdivision Type5: | Province |
| Subdivision Name5: | Boujdour Province |
| Unit Pref: | Metric |
| Population Density Km2: | auto |
Zaouiat Ahmed Ben Yaddas (Arabic: زاوية أحمد بن يداس) is a religious site in the Western Sahara.
Zaouiat Ahmed Ben Yaddas is in Boujdour Province, in the Laâyoune-Sakia El Hamra region.It is on the Atlantic coast about south of Aftissat.It is south of Boujdour on the coast road that leads to Dakhla.
The site is named after the Maliki leader Ahmed bin Yidas, born in the year 1191 to the Awlad Tadrarine tribe.The Zaouiat Ahmed Ben Yaddas is considered one of the most ancient and most important zaouiats in the desert region.The Ahmed bin Yidas Association for Social, Cultural and Educational Development arranges three-day religious ceremonies at Zaouiat Ahmed Ben Yaddas each year, assisted by the tribe of Ouled Tidrarin Fakhda al-Yidadas.