An Affair of Three Nations is a 1915 American silent film based on a story by John T. McIntyre. The film was the first in the “Ashton-Kirk, Investigator” series, and was followed by The Menace of the Mute. The film was directed by Arnold Daly and Ashley Miller, and produced by Pathé Frères Films. As with a lot of silent films, the survival status of this film is unknown.