Bacteria are a major group of prokaryotic living organisms.

Look up bacteria in Wiktionary, the free dictionary.

Bacteria may also refer to:

• Bacteria (malware) or Rabbit Programs, a type of malicious software
• Bacteria, a fictional country in The Great Dictator
• Bacteria (Asterix character), the wife of Unhygienix in the Asterix comics
• Bacteriidae, a family of South American stick insects

This disambiguation page lists articles associated with the title Bacteria.
If an internal link led you here, you may wish to change the link to point directly to the intended article.