Fenoarivo Atsinanana (French: Fénérive Est) is a city (commune urbaine) in Madagascar.

It is situated at the East coast of Madagascar, about 103 km north of the city of Toamasina and 58 kms south of Soanierana-Ivongo along the National road 5 to Maroantsetra.

The region around Fenoarivo is one of the most important clove growing areas of Madagascar.

Ratsimilaho, the first king of the Betsimisaraka, was the son of a pirate and a local princess.

He is buried on the island Nosy Hely, a former pirate's stronghold that can be visited today (Vohimasina).