| Official Name: | Tanandava Sud |
| Other Name: | Tanandava Atsimo |
| Pushpin Map: | Madagascar |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Madagascar |
| Pushpin Mapsize: | 180 |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Anosy |
| Subdivision Type2: | District |
| Subdivision Name2: | Amboasary Sud |
| Population As Of: | 2018 |
| Population Footnotes: | Census |
| Population Total: | 9586 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Timezone: | EAT |
| Utc Offset: | 3 |
| Coordinates: | -25.1333°N 73°W |
| Elevation Footnotes: | [1] |
| Elevation M: | 31 |
| Postal Code Type: | Postal code |
| Postal Code: | 603 |
Tanandava Sud (Tanandava Atsimo) is a town and commune in Madagascar. It belongs to the district of Amboasary Sud, which is a part of Anosy Region. It has a population of 9586 inhabitants in 2018.
Primary and junior level secondary education are available in town. Farming and raising livestock provides employment for 30% and 30% of the working population. The most important crop is beans, while other important products are maize, sweet potatoes and rice. Industry and services provide employment for 9% and 1% of the population, respectively. Additionally fishing employs 30% of the population.[2]