# Agent

Agent may refer to:

## Espionage, investigation, and law

* Espionage § Agents in espionage, 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), a group of characters in the series
* The Agents, superhuman characters in Seven Samurai 20XX

### Film and television

* The Agent (1922 film), featuring Oliver Hardy
* The Agent (2010 film), a short film
* Agent (film), a spy thriller film
* 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
* "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, a computational model for simulating the actions and interactions of individuals
* Agentic AI, autonomous artificial intelligence that can make decisions and act on those decisions on its own
* 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