| Official Name: | Mitsinjo |
| 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: | Sakaraha |
| Government Footnotes: | [1] |
| Leader Title: | Mayor |
| Leader Name: | MONJA Dekonty |
| Population As Of: | 2018 |
| Population Footnotes: | Census |
| Population Total: | 4168 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Timezone: | EAT |
| Utc Offset: | 3 |
| Postal Code Type: | Postal code |
| Postal Code: | 620 |
Mitsinjo is a rural municipality in western Madagascar. It belongs to the district of Sakaraha, which is a part of Atsimo-Andrefana.[2] The population of the municipality was 4168 in 2019.