Spam may refer to:
* Spam (food), a canned meat product
* "Spam" (Monty Python), a comedy sketch
* Spam (electronic), unsolicited or undesired electronic messages (named after the Monty Python sketch); in particular:
o E-mail spam, unsolicited or undesired email messages
* Spam (gaming), the repetition of an in-game action
* Street spam or Flyposting, illegal blanket advertising in public places.
* "Spam" (song), a song about the canned meat product, sung by "Weird Al" Yankovic
* "Spam", track #9 on It Means Everything, 1997 ska album by Save Ferris
* Smoothed Particle Applied Mechanics, the use of smoothed particle hydrodynamics computation to study impact fractures in solids