Antsirabe is a town and commune (Malagasy: kaominina) in Madagascar. It belongs to the district of Ambanja, which is a part of Diana Region. According to 2001 commune census the population of Antsirabe was 3,405.

Only primary schooling is available in town. The majority 90% of the population are farmers, while an additional 1.5% receives their livelihood from raising livestock. The most important crops are rice and coffee, while other important agricultural products are seeds of catechu and pepper. Services provide employment for 0.5% of the population. Additionally fishing employs 8% of the population.

13°52′S 48°12′E / 13.867°S 48.200°E / -13.867; 48.200