Interloper, Interlopers or The Interlopers may refer to:
Entertainment
- The Interloper: Lee Harvey Oswald Inside the Soviet Union, a 2013 book by Peter Savodnik
- Interloper (comics), a fictional character in the Marvel Comics universe
- Interloper Films, a production company
- Interlopers (novel), a 2001 science fiction novel by Alan Dean Foster
- The Interlopers (novel), a Matt Helm spy novel by Donald Hamilton
- "The Interlopers", a short story by Saki
- Interloper (album), by Carbon Based Lifeforms
Other uses
- Interloper (business)
- Interloper (asteroid), a nominal, but not true member of an asteroid family