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Spam (food), canned meat sold by Hormel.

Spam (Monty Python), a comedy sketch involving the meat. The technological term takes its name from this sketch.

Spam (electronic), unsolicited or undesired bulk electronic messages.

E-mail spam, unsolicited emails with advertisements.

Forum spam, posting advertisements or useless posts on a forum

Spamdexing, manipulating a search engine to create the illusion of popularity for webpages.

Messaging spam ("SPIM"), use of instant messenger services for advertisement or even extortion.

Spam (computer game), to repeatedly use one weapon or tactic. This term is based on the technological meaning of undesired bulk electronic message.

Flyposting ("Street spam"), illegal blanket advertising in public places.

Spaghetti & Pulsar Activating Meatballs, a parody religion created to denounce Flying Spaghetti Monsterism.