Andonabe is a town and commune in Madagascar. It belongs to the district of Mananjary, which is a part of Vatovavy-Fitovinany Region in Fianarantsoa Province. The population of the commune was estimated to be approximately 12,000 in 2001 commune census.
Only primary schooling is available. It is also a site of industrial-scale mining. The majority 98% of the population of the commune are farmers. The most important crops are coffee and rice; also pepper is an important agricultural product. Industry and services provide both employment for 1% of the population.