National Lampoon may refer to:

• National Lampoon, Inc., an American mass media company
  • National Lampoon (magazine), an American humor magazine
  • The National Lampoon Radio Hour, an American comedy radio program
  • National Lampoon Comics, an American comic book
  • The National Lampoon Show, a 1975 play by John Belushi, Brian Doyle-Murray, Bill Murray, Gilda Radner, and Harold Ramis
  • List of National Lampoon films

• The Harvard Lampoon, an American humor magazine
• Lampoon (disambiguation)