The Beach Girls and the Monster is a horror and beach party film, released in 1965, directed by and starring Jon Hall. It is notable for its surf music instrumental soundtrack, bad acting, and not-very-terrifying-monster.

The beach party film is an American film genre of feature films which were produced and released between 1963 and 1968, created by American International Pictures (AIP), beginning with their surprise hit, Beach Party, in July 1963. With this film, AIP is credited with creating the genre. In addition to the AIP films, several contributions to the genre were produced and released by major and independent studios alike. According to various sources, the genre comprises over 30 films, with the lower-budget AIP films being the most profitable.