| Official Name: | Ambalajia |
| Pushpin Map: | Madagascar |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Madagascar |
| Pushpin Mapsize: | 180 |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Betsiboka |
| Subdivision Type2: | District |
| Subdivision Name2: | Maevatanana |
| Population As Of: | 2001 |
| Population Total: | 9000 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Timezone: | EAT |
| Utc Offset: | 3 |
| Coordinates: | -17.4833°N 53°W |
| Elevation Footnotes: | [1] |
| Elevation M: | 232 |
Ambalajia is a town and commune (Malagasy: kaominina) in Madagascar. It belongs to the district of Maevatanana, which is a part of Betsiboka Region. The population of the commune was estimated to be approximately 9,000 in 2001 commune census.
Only primary schooling is available. The majority 94% of the population of the commune are farmers, while an additional 4% receives their livelihood from raising livestock. The most important crops are rice and peanuts; also cowpeas are an important agricultural product. Additionally fishing employs 2% of the population.[2]