Il dio serpente (The snake god) is a 1970 Italian erotic fantasy film directed by Piero Vivarelli and featuring Italian-based American actress Nadia Cassini in her first lead role.

The theme song of the film, "Djamballà" by Augusto Martelli, reached the first position in the Italian hit parade.

After the couple move to an island in the Caribbean, Paola befriends a local woman named Stella who introduces her to the cult of the serpent god Djamballà.

At a ritual where reality is interspersed within fantasy, Paola has sex with a strong black man she identifies with the serpent god himself.

After her husband's sudden death, she invites her former lover Tony to the island to start a new life but understands that Djamballà has become her sole obsession.