Pusher can mean:

• Slang for a drug dealer
• A Danish movie by Nicolas Winding Refn, Pusher (movie) (1996), Pusher II (movie) (2004) or Pusher III (movie) (2005)
• An aircraft configuration, Pusher configuration
• A criminal villain from the American television show The X-Files with psychic abilities.
• A type of character in fiction who uses telepathy to hypnotize others and force them to do what the "pusher" wants them to do (often forcing them ot injure themselves or their allies, or to simply forget that they've even met the "pusher").