| Official Name: | Marovoay Sud |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Melaky |
| Subdivision Type2: | District |
| Subdivision Name2: | Besalampy |
| Population As Of: | 2001 |
| Population Total: | 8000 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Timezone: | EAT |
| Utc Offset: | 3 |
Marovoay Sud is a town and commune (mg|kaominina) in western Madagascar. It belongs to the district of Besalampy, which is a part of Melaky Region. The population of the commune was estimated to be approximately 8,000 in a 2001 commune census.
Only primary schooling is available. The majority 60% of the population of the commune are farmers, while an additional 38% receives their livelihood from raising livestock. The most important crops are rice and raffia palm; also seeds of catechu are an important agricultural product. Additionally fishing employs 2% of the population.[1]