Interference is a 1928 American pre-Code drama film directed by Lothar Mendes, as Paramount Pictures' first feature-length all-talking motion picture. It stars Clive Brook, William Powell, Evelyn Brent, and Doris Kenyon, all making their sound film debuts. In England, when a first husband turns out not to be dead, blackmail leads to murder.

Lothar Mendes was a German-born screenwriter and film director. His two best known films are Jew Süss (1934) and The Man Who Could Work Miracles (1936), both productions for British studios.