Tsimazava is a town and commune (Malagasy: kaominina) in Madagascar. It belongs to the district of Mahabo, which is a part of Menabe Region. The population of the commune was estimated to be approximately 3,000 in 2001 commune census.

Only primary schooling is available. The majority 90% of the population of the commune are farmers, while an additional 10% receives their livelihood from raising livestock. The most important crop is rice, while other important products are bananas, sugarcane and cassava.

20°41′S 45°42′E / 20.683°S 45.700°E / -20.683; 45.700