Tritriva is a town and commune in Madagascar. It belongs to the district of Betafo, which is a part of Vakinankaratra Region in Antananarivo Province. The population of the commune was estimated to be approximately 17,000 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 potatoes, while other important products are maize, barley, rice and soya.