| Errashidia | |
| Native Name: | الرشيدية |
| Native Name Lang: | ar |
| Settlement Type: | City |
| Mapsize: | 200px |
| Pushpin Map: | Morocco#Africa |
| Pushpin Relief: | 1 |
| Pushpin Mapsize: | 300 |
| Subdivision Type: | Country |
| Subdivision Name: |  Morocco |
| Subdivision Type1: | Region |
| Subdivision Name1: | Drâa-Tafilalet |
| Subdivision Type2: | Province |
| Subdivision Name2: | Errachidia |
| Elevation M: | 1009 |
| Population As Of: | 2014 |
| Population Footnotes: | [1] |
| Population Total: | 92374 |
| Coordinates: | 31.9319°N -4.4244°W |
Errashidia (Arabic: الرشيدية|translit=ar-Rashidiyyah), formerly known as Ksar es-Souk, is a city in Morocco, located in the Errachidia Province, and is the capital of the Drâa-Tafilalet region.
Formerly known as "Ksar es-Souk", the city was renamed Errachidia around 1975 in honor of the second son of Hassan II, Moulay Rachid.
The city was part of the route of the 2006 and 2007 Dakar Rally.
Errachidia has a hot desert climate (Köppen climate classification BWh). The highest temperature ever registered in Errachidia was, on July 17, 2021.[2]