| Official Name: | Soanega |
| Pushpin Map: | Madagascar |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Madagascar |
| Pushpin Mapsize: | 180 |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Melaky |
| Subdivision Type2: | District |
| Subdivision Name2: | Besalampy |
| Population As Of: | 2001 |
| Population Total: | 9000 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Timezone: | EAT |
| Utc Offset: | 3 |
| Coordinates: | -16.5°N 80°W |
| Elevation Footnotes: | [1] |
| Elevation M: | 26 |
Soanenga is a town and commune (Malagasy: 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 9,000 in 2001 commune census.
Soanenga has a riverine harbour. Only primary schooling is available. Farming and raising livestock provides employment for 48% and 30% of the working population. The most important crop is rice, while other important products are coconuts and seeds of catechu. Services provide employment for 2% of the population. Additionally fishing employs 20% of the population.[2]