| Official Name: | Ambarijeby Sud |
| Pushpin Map: | Madagascar |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Madagascar |
| Pushpin Mapsize: | 180 |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Sofia |
| Subdivision Type2: | District |
| Subdivision Name2: | Analalava |
| Population As Of: | 2001 |
| Population Total: | 5000 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Timezone: | EAT |
| Utc Offset: | 3 |
| Coordinates: | -14.9333°N 89°W |
| Elevation Footnotes: | [1] |
| Elevation M: | 122 |
Ambarijeby or Ambarijeby Sud is a town and commune (Malagasy: kaominina) in Madagascar. It belongs to the district of Analalava, which is a part of Sofia Region. The population of the commune was estimated to be approximately 5,000 in 2001 commune census.
Only primary schooling is available. The majority 70% of the population of the commune are farmers, while an additional 10% receives their livelihood from raising livestock. The most important crop is rice, while other important products are sugarcane, maize and cassava. Services provide employment for 3% of the population. Additionally fishing employs 17% of the population.[2]