| Official Name: | Southern Development Region |
| Settlement Type: | Development Region |
| Subdivision Type: | Country |
| Subdivision Type3: | Capital city |
| Area Total Km2: | 7379 |
| Population As Of: | 2013 |
| Population Total: | 537182 |
| Population Density Km2: | auto |
| Demographics Type1: | GDP |
| Demographics1 Title1: | Total |
| Demographics1 Info1: | leu 16.838 billion (€0.8 billion) (4th) |
| Demographics1 Title2: | Per capita |
| Demographics1 Info2: | leu 31,300 (€1,500) |
The Southern Development Region (abbreviated RDS) of the Republic of Moldova includes 8 districts: Basarabeasca, Cahul, Cantemir, Căușeni, Cimișlia, Ștefan Vodă, Leova and Taraclia, occupying 24% of the territory of the Republic of Moldova. The population of the region constitutes 15% of the total population of the country. The infrastructure of the localities is composed of 10 cities without municipal status (including 8 district centers) and 278 rural localities organized in 177 communes. The cities of the region are: Basarabeasca, Cahul, Cantemir, Căușeni, Căinari, Cimișlia, Leova, Iargara, Ștefan-Vodă and Taraclia. The largest city of the region is the city of Cahul.
The gross domestic product (GDP) of the region was 16.838 billion leu in 2021, accounting for 7% of Moldova economic output. GDP per capita was around 31,300 leu.