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 compression artifact (or artefact) is a noticeable distortion of media (including images, audio, and video) caused by the application of lossy compression. Lossy data compression involves discarding some of the media's data so that it beco ...

, 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