Atlantida (French: L'Atlantide) is a French novel by Pierre Benoit published in February 1919. It was translated into English in 1920 as Atlantida. L'Atlantide was Benoit's second novel, following Koenigsmark, and it won the Grand Prize of the French Academy. The English translation of Atlantida was first published in the United States as a serial in Adventure magazine. The story inspired many films.