| Official Name: | Manja |
| Settlement Type: | 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: | Menabe |
| Subdivision Type2: | District |
| Subdivision Name2: | Manja |
| Area Total Km2: | 9,073 |
| Population As Of: | 2020 |
| Population Total: | 111,430 |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Timezone: | EAT |
| Utc Offset: | 3 |
| Coordinates: | -21.4333°N 64°W |
| Elevation Footnotes: | [1] |
| Elevation M: | 0- 350 |
| Postal Code Type: | Postal code |
| Postal Code: | 616 |
Manja is a district of Menabe in Madagascar[2] [3] approximately 70 km in the south of the capitol Morondava. The district has an area of, and the estimated population in 2020 was 111,430.
The district is further divided into six communes:
The Mangoky River in the south and the Sakalava River.