| Official Name: | Tsiamalao |
| Pushpin Map: | Madagascar |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Madagascar |
| Pushpin Mapsize: | 180 |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Sofia |
| Subdivision Type2: | District |
| Subdivision Name2: | Befandriana-Nord |
| Population As Of: | 2001 |
| Population Total: | 21000 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Timezone: | EAT |
| Utc Offset: | 3 |
| Coordinates: | -15.05°N 75°W |
| Elevation Footnotes: | [1] |
| Elevation M: | 264 |
Tsiamalao is a town and commune (Malagasy: kaominina) in Madagascar. It belongs to the district of Befandriana-Nord, which is a part of Sofia Region. The population of the commune was estimated to be approximately 21,000 in 2001 commune census.
Primary and junior level secondary education are available in town. The majority 95% of the population of the commune are farmers. The most important crop is rice, while other important products are maize and cassava. Services provide employment for 5% of the population.[2]