| Sidi Othmane | |
| Native Name: | سيدي عثمان |
| Settlement Type: | Arrondissement of Casablanca |
| Pushpin Map: | Morocco Greater Casablanca |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Greater Casablanca |
| Pushpin Mapsize: | 300 |
| Subdivision Type: | Country |
| Subdivision Name: |  Morocco |
| Subdivision Type1: | Region |
| Subdivision Name1: | Casablanca-Settat |
| Subdivision Type2: | Prefecture |
| Subdivision Name2: | Casablanca |
| Subdivision Type3: | District |
| Subdivision Name3: | Moulay Rachid |
| Population As Of: | 2004 |
| Population Total: | 76983 |
| Utc Offset: | +0 |
| Timezone Dst: | WEST |
| Utc Offset Dst: | +1 |
| Coordinates: | 33.5672°N -7.6017°W |
Sidi Othmane (Arabic: سيدي عثمان ) is an arrondissement of southeastern Casablanca, in the Moulay Rachid district of the Casablanca-Settat region of Morocco. As of 2004 it had 76,983 inhabitants.[1]