| Official Name: | Ampanihy Ouest district |
| Native Name: | Ampanihy Andrefana district |
| Pushpin Map: | Madagascar |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Madagascar |
| Pushpin Mapsize: | 180 |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Atsimo-Andrefana |
| Subdivision Type2: | District |
| Subdivision Name2: | Ampanihy Ouest (district) |
| Population As Of: | 2018 |
| Population Footnotes: | Census |
| Population Total: | 398.995 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Timezone: | EAT |
| Utc Offset: | 3 |
| Coordinates: | -24.6833°N 89°W |
| Postal Code Type: | Postal code |
| Postal Code: | 605 |
Ampanihy Ouest (Ampanihy Andrefana district) is a district of Atsimo-Andrefana in Madagascar.[1] [2]
The district is further divided into 16 municipalities:
In Fotadrevo there is presently a graphite mine under construction.