| Sidi Ouassay | |
| Settlement Type: | Rural commune and town |
| Pushpin Map: | Morocco |
| Subdivision Type: | Country |
| Subdivision Name: |  Morocco |
| Subdivision Type1: | Region |
| Subdivision Name1: | Souss-Massa-Drâa |
| Subdivision Type2: | Province |
| Subdivision Name2: | Chtouka-Aït Baha Province |
| Population As Of: | 2004 |
| Population Total: | 8571 |
| Utc Offset: | +0 |
| Timezone Dst: | WEST |
| Utc Offset Dst: | +1 |
| Coordinates: | 30.05°N -50°W |
Sidi Ouassay is a small town and rural commune in Chtouka-Aït Baha Province of the Souss-Massa-Drâa region of Morocco. At the time of the 2004 census, the commune had a total population of 8571 people living in 1682 households.[1]