Espionage is the obtaining of information considered secret or confidential without the permission of the holder of the information.
Industrial espionage is a form of espionage conducted for commercial purposes instead of purely national security.
Espionage may also refer to:
Media
Film and television Espionage (1937 film), an American film based on the play Espionage (1955 film), an Austrian film directed by Franz Antel Espionage (TV series), a British television show 1963–64 "Espionage" (QI), a 2007 television episode
Music Espionage (production team), a Norwegian music production team
Albums and songs Espionage (album), an album by rap group Steady Mobb'n Espionage (band), a band from the 1980s "Espionage", a song by Green Day from Shenanigans
Plays Espionage (play), a 1935 West End play by Walter Hackett
Games Espionage!, a 1983 spy role-playing game Espionage, a Commodore 64 game