| Ain Amenas District | |
| Native Name: | دائرة أمناس |
| Native Name Lang: | ar |
| Type: | District |
| Image Map1: | Dz - 33 - Daïra d'In Amenas.svg |
| Map Caption1: | Map of Illizi Province highlighting In Amenas District |
| Coordinates: | 28.0333°N 41°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Algeria |
| Subdivision Type1: | Province |
| Subdivision Name1: | Illizi |
| Seat Type: | District seat |
| Seat: | In Amenas |
| Unit Pref: | Metric |
| Area Total Km2: | 128730 |
| Population Footnotes: | [1] |
| Population Total: | 17422 |
| Population As Of: | 2008 |
| Population Density Km2: | auto |
| Timezone1: | CET |
| Utc Offset1: | +01 |
| Blank Name Sec1: | Municipalities |
| Blank Info Sec1: | 3 |
In Amenas is a district in Illizi Province, Algeria. It was named after its capital, In Amenas. As of the 2008 census it is the largest district in the province by area and second-largest by population (after Djanet District).
The district is further divided into 3 municipalities:[2]