| Official Name: | Betioky Sud |
| Other Name: | Betioky-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: | Atsinanana |
| Subdivision Type2: | District |
| Subdivision Name2: | Betioky-Atsimo |
| Leader Title: | District Chef |
| Leader Name: | Robert Rafaralahy |
| Population As Of: | 2015 |
| Population Total: | 210898 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Timezone: | EAT |
| Utc Offset: | 3 |
| Coordinates: | -23.7167°N 67°W |
Betioky is a town in Atsimo-Andrefana Region, Madagascar and is crossed by the Route nationale 10. An airport serves the town.
Betioky belongs to the poorest regions of Madagascar, where no facilities for tapped drinking water exist.[1]
The district is further divided into 22 communes:
The Beza Mahafaly Reserve lies approx. 35 km North-East of Betioky Sud.
Bertioky is crossed by the unpaved National road 10.