Masiaboay

Masiaboay is a town and commune () in southwest Madagascar. It belongs to the district of Betioky Sud, which is a part of Atsimo-Andrefana Region. The population of the commune was estimated to be approximately 10,000 in 2001 commune census.

Only primary schooling is available. The majority 60% of the population of the commune are farmers, while an additional 39% receives their livelihood from raising livestock. The most important crops are cassava and maize, while other important agricultural products are peanuts and sweet potatoes. Services provide employment for 1% of the population.