| Official Name: | Iarintsena |
| Pushpin Map: | Madagascar |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Madagascar |
| Pushpin Mapsize: | 180 |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Haute Matsiatra |
| Subdivision Type2: | District |
| Subdivision Name2: | Ambalavao |
| Population As Of: | 2001 |
| Population Total: | 22000 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Timezone: | EAT |
| Utc Offset: | 3 |
| Coordinates: | -21.8167°N 98°W |
| Elevation Footnotes: | [1] |
| Elevation M: | 1011 |
| Postal Code Type: | Postal code |
| Postal Code: | 303 |
Iarintsena is a rural municipality in the Central Highlands of Madagascar. It belongs to the district of Ambalavao, which is a part of Haute Matsiatra Region. The population of the commune was estimated to be approximately 22,000 in 2001.
Only primary schooling is available. The majority 80% of the population of the commune are farmers, while an additional 14% receives their livelihood from raising livestock. The most important crop is rice, while other important products are cassava and tobacco. Services provide employment for 5% of the population. Additionally fishing employs 1% of the population.[2]