Flavien Ranaivo (Arivonimamo, 13 May 1914 - Troyes 20 December 1999) was a Malagasy poet and journalist.
His family was noble, and he spent most of his life in contact with nature. His works are influenced by Malagasy ballad and song forms, in particular the hain-teny. Ranaivo also held important civic and government posts.