Artifact, or artefact, may refer to:

Science and technology

*Artifact (error), misleading or confusing alteration in data or observation, commonly in experimental science, resulting from flaws in technique or equipment ** Compression artifact, a loss of clarity caused by the data compression of an image, audio, or video ** Digital artifact, any undesired alteration in data introduced during its digital processing ** Visual artifact, anomalies during visual representation of digital graphics and imagery * In the Scrum (software development)#Artifacts, scrum software project management framework, documentation used for managing the project

Archaeology

* Artifact (archaeology), an object formed by humans, particularly one of interest to archaeologists * Cultural artifact, in the social sciences, anything created by humans which gives information about the culture of its creator and users * The Artefact (journal), ''The Artefact'' (journal), published annually by the Archaeological and Anthropological Society of Victoria

Computing

* Artifact (software development), one of many kinds of tangible by-products produced during the development of software * Artifact (enterprise architecture), a separate component of enterprise architecture * Virtual artifact, an object in a digital environment * Artifact (UML), a term in the Unified Modeling Language

Arts and media

Film and television

* Artifact (film), ''Artifact'' (film), a 2012 documentary film directed by Jared Leto under the pseudonym of Bartholomew Cubbins * Artifacts (film), ''Artifacts'' (film), a 2007 horror film * The Artifact (Eureka), The Artifact (''Eureka''), a fictional object appearing in the TV series ''Eureka''

Games

* Artifact (video game), ''Artifact'' (video game), a 2018 digital collectible card game by Valve * Artifact (Magic: The Gathering), Artifact (''Magic: The Gathering''), a card type in the trading card game ''Magic: The Gathering''

Music

* Artifacts (Steve Roach album), ''Artifacts'' (Steve Roach album), 1994 * Artifacts (Nicole Mitchell album), ''Artifacts'' (Nicole Mitchell album), 2015 * Artifacts (group), a hip-hop duo from New Jersey * Artifact (album), ''Artifact'' (album), a 2002 album by The Electric Prunes * ''Artiifact'', a 2016 album by South African hip hop record producer Anatii * Artifacts (Beirut album), ''Artifacts'' (Beirut album), 2022

Other media

* ''Artifact'', a 1985 science fiction novel by Gregory Benford * Artifact (ballet), ''Artifact'' (ballet), 1984 ballet by William Forsythe

Other uses

* Learning artifact (education), an object created by students during the course of instruction * Artifacting, a technique used on some older computers to generate color in monochrome modes by exploiting artifacts of analog television systems * A relic, an object left behind by a prophet or other important religious figure