Antsambalahy is a commune (Malagasy: kaominina) in northern Madagascar. It belongs to the district of Antalaha, which is a part of Sava Region. According to 2001 census the population of Antsambalahy was 11,284.
Only primary schooling is available in town. The majority 99.9% of the population are farmers. The most important crop is vanilla, while other important products are coffee and rice. Services provide employment for 0.1% of the population.
Coordinates: 14°43′S 49°55′E / 14.717°S 49.917°E / -14.717; 49.917