Antsahambaharo or Antsambaharo is a town and commune (Malagasy: kaominina) in northern Madagascar. It belongs to the district of Sambava, which is a part of Sava Region. The population of the commune was estimated to be approximately 11,000 in 2001 commune census.
Only primary schooling is available in town. The majority 99.99% of the population in the commune are farmers. The most important crop is vanilla, while other important products are coffee and rice. Services provide employment for 0.01% of the population.