Threshold may refer to:

Science

Biology

* Threshold (reference value) * Absolute threshold * Absolute threshold of hearing * Action potential * Aerobic threshold * Anaerobic threshold * Dark adaptation threshold * wiktionary:Epidemic threshold, Epidemic threshold * Flicker fusion threshold * Masking threshold * Odor detection threshold * Renal threshold * Seizure threshold * Sensory threshold * Threshold expression * Threshold limit value * Threshold model * Threshold of pain * Threshold potential

Other science-related

* Ecological threshold * Error threshold (evolution) * Extinction threshold * Lasing threshold * Percolation threshold * Polygyny threshold model * Threshold cryptosystem * Threshold displacement energy * Threshold energy * Threshold graph * Threshold knowledge * Threshold model * Threshold voltage * Thresholding (image processing) * Transparency threshold

Architecture

* Threshold (architecture), the sill of a door

Literature

* Threshold (1990 novel), ''Threshold'' (1990 novel), a science fiction novel by Chris and Janet Morris * Threshold (Sara Douglass novel), ''Threshold'' (Sara Douglass novel), a fantasy novel * Threshold (Palmer novel), ''Threshold'' (Palmer novel), a science fiction novel by David R. Palmer * ''Threshold'', the first volume of the collected short fiction of Roger Zelazny * Threshold (DC Comics), ''Threshold'' (DC Comics), a comic book published by DC Comics * ''Threshold'', a science-fiction novel by Caitlín R. Kiernan * ''Threshold'', a Christian novel by Bill Myers (author) * ''Threshold'', a science-fiction novel by Ben Mezrich * Threshold Editions, a conservative imprint

Media

* Threshold (1981 film), ''Threshold'' (1981 film) * ''Threshold'', a 2008 film directed by Deepak Rauniyar * Threshold (TV series), ''Threshold'' (TV series), an American science fiction drama TV series * Threshold (Stargate SG-1), "Threshold" (''Stargate SG-1''), an episode of the TV series * Threshold (Star Trek: Voyager), "Threshold" (''Star Trek: Voyager''), an episode of the TV series * Threshold Entertainment, a Hollywood Intellectual Property Management and Production Company * Threshold Podcast, a podcast focused on long-form reporting of climate justice topics

Music

* Threshold (band), a UK progressive metal band * Threshold House, a record label created by Coil * Threshold Records, a record label created by The Moody Blues

Albums

* Threshold (album), ''Threshold'' (album), a 2006 album by HammerFall * Thresholds (album), ''Thresholds'' (album), a 1992 album by Nocturnus * ''Threshold'', a 1997 Erik Norlander#Solo albums, album by Erik Norlander

Songs

* "Threshold", by Pocahaunted#EPs and singles, Pocahaunted, 2010 * "Threshold", by Sex Bob-Omb from the Scott Pilgrim vs. the World (soundtrack), ''Scott Pilgrim vs. the World'' soundtrack, 2010 * "Threshold", by Slayer from ''God Hates Us All'', 2001 * "Threshold", by the Steve Miller Band from ''Book of Dreams'', 1977 * "Threshold", by Turnover from ''Peripheral Vision (album), Peripheral Vision'', 2015 * "The Threshold", by Connie Smith from ''Connie Smith (album), Connie Smith'', 1965

Other uses

* Threshold (video game), ''Threshold'' (video game), a 1981 video game * Thresholds, a nonprofit organization serving persons with mental illnesses and substance abuse problems in Illinois * Threshold Audio, a manufacturer of high end audio amplifiers * Displaced threshold, an aviation term * Election threshold, a concept in voting systems * Poverty thresholds (United States Census Bureau) *In government procurement, the expenditure value which determines which rules and procedures are to be applied to a proposed purchase