Agent may refer to:

Espionage, investigation, and law

*, spies or intelligence officers * Law of agency, laws involving a person authorized to act on behalf of another ** Agent of record, a person with a contractual agreement with an insurance policy owner ** Election agent, a person responsible for the conduct of a political campaign ** Free agent, a sports player who is eligible to sign with any club or franchise ** Literary agent, an agent who represents writers and their written works ** Modeling agency, a person or a corporation which represents fashion models ** Press agent, a professional publicist ** Foreign agent, a person who carries out the interests of a foreign country ** Political agent (disambiguation) ** Patent attorney, an attorney who represents clients in patent matters ** Real estate agent, an intermediary between sellers and buyers of real estate ** Registered agent, in the US, receives service of process for a party in a legal action ** Shipping agent, a person responsible for handling shipments and cargo ** Sports agent, a legal representative for professional sports figures such as athletes and coaches ** Talent agent or booking agent, a person who finds jobs for entertainment professionals ** Trade mark agent, a person who represents clients in trade mark matters ** Travel agent, a retailer that provides travel and tourism related services * Special agent, an American criminal investigator or detective for example

Arts and entertainment

Fictional characters

* Agent (comics), a Marvel Comics character * Agent (The Matrix), Agent (''The Matrix''), a group of characters in the series * The Agents, superhuman characters in ''Seven Samurai 20XX''

Film and television

* The Agent (1922 film), ''The Agent'' (1922 film), featuring Oliver Hardy * Agent (film), ''Agent'' (film), an upcoming spy thriller film * Agent (TV series), ''Agent'' (TV series), a Polish reality competition

Music

* Agent (band), an American hardcore band from Long Island, New York * Agents (Finnish band), a Finnish schlager/rock'n'roll band * The Agents (Australian band), led by James Griffin * The Agents (English band), a Bristol post-punk band * "Intro: The Agent", by Rhymefest from ''El Che (album), El Che'' (2010) * The Agent (Little Man Tate song), "The Agent" (Little Man Tate song) (2006)

Other uses in arts and entertainment

* Agent (video game), ''Agent'' (video game), a stealth action game

Science and technology

Biology and chemistry

* Biological agent, a bacterium, virus, protozoan, parasite, or fungus used as a weapon * Chemical agent, used as a chemical weapon

Computing

* Agent architecture, a blueprint for software agents and control systems * Agent-based model, a computational model for simulating the actions and interactions of individuals * Intelligent agent, an autonomous, goal-directed entity which observes and acts upon an environment * Software agent, a piece of software that acts for a user or other program * User agent, software that is acting on behalf of a user

Other uses

* Agency (philosophy), the capacity of an actor to act in a given environment * Agency (psychology), an attribute of humans and non-human animals * Agent (economics), an actor and decision maker in a model * Agent (grammar), in linguistics, the thematic relation of a cause or initiator to an event * Agent noun, a word identifying an actor, derived from a word denoting an action * Cleaning agent, a substance used to remove bad smells, clutter, dirt, dust, or stains on surfaces