Look up collusion in Wiktionary, the free dictionary.
Collusion is an agreement, usually secretive, which occurs between two or more persons to deceive, mislead, or defraud others of legal rights. If the agreement is to commit a crime in the future, such collusion may be a criminal conspiracy.
Collusion may also refer to:
- Collusion (EP), a 2005 metalcore album
- Collusion Syndicate, a defunct special interest group
- Collusion (software), later called Lightbeam, an experimental add-on for Firefox and Google Chrome