Andalatanosy is a town and commune in Madagascar. It belongs to the district of Ambovombe, which is a part of Androy Region. The population of the commune was estimated to be approximately 23,000 in 2001 commune census.

Only primary schooling is available. The majority 50% of the population of the commune are farmers, while an additional 49% receives their livelihood from raising livestock. The most important crop are peanuts, while other important products are maize, cassava, sweet potatoes and cowpeas. Services provide employment for 1% of the population.

24°40′S 45°36′E / 24.667°S 45.600°E / -24.667; 45.600