Convention

Convention may refer to:
 * Convention (norm), a custom or tradition, a standard of presentation or conduct
 * Treaty, an agreement in international law
 * Convention (meeting), meeting of a (usually large) group of individuals and/or companies in a certain field who share a common interest
 * Fan convention, a gathering of fans of a particular media property or genre
 * Anime convention, centered on Japanese anime and manga
 * Comic book convention centered on comic books
 * Gaming convention, centered on role-playing games, collectible card games, miniatures wargames, board games, video games, and the like
 * Tattoo convention, a meeting and exhibition for tattoo practitioners and enthusiasts from different shops and areas, as well as anyone who wishes to see the world of tattooing up close
 * Furry convention, centered on anthropomorphic animals; fictional non-human animal creatures with human characteristics
 * Political convention, a formal gathering of people for political purposes
 * Trade fair
 * Bridge convention, a term in the game of bridge
 * Convention (Paris Métro), a station on line 12 of the Paris Métro in the 15th arrondissement
 * "The Convention" (The Office episode)
 * "Convention" (Malcolm in the Middle episode)