| Blida District | |
| Native Name: | دائرة البليدة |
| Native Name Lang: | ar |
| Type: | District |
| Map Caption1: | Map of Blida Province highlighting Blida District |
| Subdivision Type: | Country |
| Subdivision Name: |  Algeria |
| Subdivision Type1: | Province |
| Subdivision Name1: | Blida |
| Seat Type: | District seat |
| Seat: | Blida |
| Unit Pref: | Metric |
| Population Total: | 174483 |
| Population As Of: | 1998 |
| Population Density Km2: | auto |
| Timezone1: | CET |
| Utc Offset1: | +01 |
| Blank Name Sec1: | Municipalities |
| Blank Info Sec1: | 2 |
Blida is a district in Blida Province, Algeria. It was named after its capital, Blida, which is also the capital of the province. It is the most populous district in the province.
The district is further divided into 2 municipalities: