What Do You Say to a Naked Lady? is a hidden-camera style documentary released in 1970, and directed by Candid Camera creator Allen Funt. The first Candid Camera feature film, Funt secretly films people's reactions to unexpected encounters with nudity in unusual situations.
In the U.S., the film was originally rated X by the Motion Picture Association of America; an edited version was rated R in 1982. When submitted to the British Board of Film Classification in 1970, the film was originally rejected, then rated X; a 1988 video release was rated 18.