Trigger

Trigger may refer to:

Notable animals and people

 * Mononym
 * Trigger (horse), owned by cowboy star Roy Rogers
 * Nickname
 * Trigger Alpert (1916–2013), American jazz bassist
 * "Trigger Mike" Coppola (1900–1966), American gangster
 * Surname
 * Bruce Trigger (1937–2006), Canadian archaeologist
 * Damon Trigger (born 1972), New Zealand born former English cricketer
 * Hannah Trigger (born 1987), Australian snowboarder
 * Ian Trigger (1938–2010), British actor

Technology

 * Trigger (firearms), a mechanism that actuates the firing of firearms
 * Database trigger, procedural code that is automatically executed in response to certain events
 * Dead man's trigger, a safety device that activates safeguards if the operator is incapacitated
 * Flip-flop (electronics), called a trigger circuit by IBM
 * Image trigger, a device used in high speed cameras
 * Schmitt trigger, an electronic circuit

Fictional entities

 * Trigger (Only Fools and Horses), a BBC sitcom character played by Roger Lloyd-Pack
 * Trigger Argee, a fictional character in a series of science fiction short stories by James H. Schmitz
 * Devil Trigger, a transformation ability found in the Devil May Cry series
 * Trigger, a fictional horse in "Ernie (The Fastest Milkman in the West)"
 * Trigger, the main player character in Ace Combat 7: Skies Unknown
 * Trigger, the version of Popeye in the film The Story of Temple Drake (1933), a film adaptation of the William Faulkner novel Sanctuary

Film and television

 * Trigger (2010 film), a Canadian film
 * Trigger, Jr. (1950), a 1950 American film starring Roy Rogers
 * "Triggers" (Supergirl), an episode of Supergirl
 * Ultraman Trigger, a 2021 Japanese tokusatsu television series
 * Trigger (2022 film), an Indoan Tamil-language action film

Literature

 * The Trigger, a 1999 science fiction novel by Arthur C. Clarke and Michael P. Kube-McDowell
 * Triggers (novel), a 2012 science fiction novel by Robert J. Sawyer

Music

 * The Trigger (band), a Serbian hard rock/heavy metal band

Albums and EPs

 * Trigger (EP), a 2003 EP by In Flames
 * Trigger (album), a 2010 album by Porno Graffitti
 * Trigger, an album by Jacob Quistgaard
 * Trigger, an album by Soulside
 * Trigger, an album by The Law

Instruments

 * Trigger (drums), a transducer that allows a drum to control an electronic device
 * Trigger (guitar), the Martin N-20 guitar played by Willie Nelson
 * Trigger (trombone), a switch that enables a trombonist to switch from one set of tubing to another
 * Trigger pad, a device used in electronic percussion

Songs

 * "Trigger" (song), a 2019 song by Major Lazer and Khalid
 * "Trigger", by Anne-Marie from Speak Your Mind
 * "Trigger", by Converge from The Dusk in Us
 * "Trigger", by In Flames from Reroute to Remain and its eponymous EP
 * "Triggers", by Royal Blood from Back to the Water Below

Ships

 * USS Trigger (SS-237), a submarine (laid down 1941, sunk 1945)
 * USS Trigger (SS-564), a submarine (laid down 1949, decommissioned 1973)

Science

 * Trigger (particle physics), hardware or software based device for the (online-)selection of specific event classes from large datasets
 * Trigger, one event that makes a slope failure in landslides, in the causes of landslides
 * Environmental trigger, a factor caused (or aided) by the environment
 * ATLAS trigger system, in the ATLAS experiment

Biology

 * Hibernation induction trigger, a blood substance that induces hibernation
 * Seizure trigger, a factor that can cause a seizure
 * Spawning triggers, environmental cues that cause fish to breed

Other uses

 * Studio Trigger, a Japanese animation studio founded by Hiroyuki Imaishi
 * Trigger, a verb conjugation specifying the subject's role in languages with Austronesian alignment
 * Casus belli, an event triggering a war
 * Trauma trigger, an event causing traumatic memories or feelings to resurface
 * Trigger (game controller), a button on some game controllers