Agent may refer to:

Espionage, investigation, and law

*, spies or intelligence officers *

Law of agency The law of agency is an area of commercial law dealing with a set of contractual, quasi-contractual and non-contractual fiduciary relationships that involve a person, called the agent, that is authorized to act on behalf of another (called the ...

, 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 In professional sports, a free agent is a player who is eligible to sign with other clubs or franchises; i.e., not under contract to any specific team. The term is also used in reference to a player who is under contract at present but who is a ...

, 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 A talent agent, or booking agent, is a person who finds jobs for actors, authors, broadcast journalists, film directors, musicians, models, professional athletes, screenwriters, writers, and other professionals in various entertainment or s ...

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''), a group of characters in the series * The Agents, superhuman characters in ''

Seven Samurai 20XX is a PlayStation 2 game released by Sammy Studios in 2004. Its story and concept are based upon Akira Kurosawa's 1954 movie ''Seven Samurai''. Rights for the production of the game were given by the Kurosawa production, with character designs by F ...

Film and television

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

Music

Agent (band) Agent was an American hardcore band from Long Island, New York. History Agent began in 2006, releasing their first EP titled ''I Wouldn't Trade That for Anything'' on Iron Pier Records. In 2008, Agent released their second EP titled ''Awake In ...

, an American hardcore band from Long Island, New York *

Agents (Finnish band) Agents is a Finnish band formed in 1979, playing rautalanka, schlager and rock'n'roll music. The head figure and musical director of the band is solo guitarist Esa Pulliainen. History Founding of Agents Agents was founded in 1979 on th ...

, a Finnish schlager/rock'n'roll band *

The Agents (Australian band) Jamie Francis "James" Griffin is an Australian singer-songwriter, poet, musician, playwright and broadcaster. His style is rock and country music, his work has been covered by other artists including The Black Sorrows and Lee Kernaghan. Griff ...

, led by James Griffin * The Agents (English band), a Bristol post-punk band * "Intro: The Agent", by Rhymefest from '' El Che'' (2010) * "The Agent" (Little Man Tate song) (2006)

Other uses in arts and entertainment

* ''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 An agent-based model (ABM) is a computational model for simulating the actions and interactions of autonomous agents (both individual or collective entities such as organizations or groups) in order to understand the behavior of a system and what ...

, a computational model for simulating the actions and interactions of individuals *

Intelligent agent In artificial intelligence, an intelligent agent (IA) is anything which perceives its environment, takes actions autonomously in order to achieve goals, and may improve its performance with learning or may use knowledge. They may be simple or c ...

, 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 In computing, a user agent is any software, acting on behalf of a user, which "retrieves, renders and facilitates end-user interaction with Web content". A user agent is therefore a special kind of software agent. Some prominent examples of u ...

, 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