Tarzan and the Mermaids is a 1948 American adventure film based on the Tarzan character created by Edgar Rice Burroughs. Directed by Robert Florey, it was the last of twelve Tarzan films to star Johnny Weissmuller in the title role, with the following sixteen films in the series featuring alternating actors between main and supporting, while maintaining a single continuity. It was also the first Tarzan film since 1939 not to feature the character Boy, adopted son of Tarzan and Jane.

Robert Florey was a French-American director, screenwriter, film journalist and actor.