Flash, flashes, or FLASH may refer to:

• Flash (DC Comics character), several DC Comics superheroes with super speed:
  • Flash (Barry Allen)
  • Flash (Jay Garrick)
  • Wally West, the first Kid Flash and third adult Flash
  • Bart Allen, the second Kid Flash who also became the adult hero for a time
• Flash (G.I. Joe), a character in the G.I. Joe universe
• Flash, a robot in the video game Brave Saga 2
• Flash, a character in the comedy film Daddy Day Care (2003)
• Flash, a character in the TV science fiction drama Real Humans
• Flash, a character in the 1989 American action comedy movie Speed Zone
• Flash, a character in the TV sitcom Step by Step
• Flash, a character in the film Zootopia (2016)
• Flash Gordon, the titular hero of science fiction comic strip
• Flash Sentry, in My Little Pony: Friendship is Magic
• Flash Thompson, a Marvel comic book character
• Flash, known as Furzz in the US, an anthropomorphic rabbit from Roary the Racing Car

• Flash (1997 film), Disney Channel
• Flash (2007 film), Malayalam
• The Flash (film), 2023 film based on DC comics

• Flash (pinball), a 1979 Williams pinball game designed by Steve Ritchie
• Teen patti or Flash, a three-card poker-style game, popular in South Asia
• The Flash (video game), a 1991 action video game

• Flash Comics, a 1940s anthology comic book
• The Flash (DC Rebirth), a comic book in the DC Rebirth relaunch
• The Flash (comic book), an ongoing comic book featuring the titular DC Comics hero

• Flash (Krentz novel), a 1998 romance novel by Jayne Ann Krentz
• Flash (Modesitt novel), a 2004 science fiction novel by L. E. Modesitt
• Flash (magazine), a quarterly Australian photography magazine
• Flash (newspaper), a community newspaper of Auckland City, New Zealand

• Flash (band), a 1970s progressive rock group

• Flash (Amoyamo album) (2013)
• Flash (EP), a 2010 extended play album by Crystal Kay
• Flash (Jeff Beck album)

• Flash (Electric Food album) (1970)
• Flash (Flash album) (1972)
• Flash (Moving Sidewalks album) (1968)
• Flash (Towa Tei album) (2005)
• Flash, a 1996 album by Red Five

• "Flashes" (song), a 1931 composition by Bix Beiderbecke
• "Flash" (Queen song), 1980
• "Flash" (Stéphanie song), 1986
• "Flash" (B.B.E. song), 1997
• "Flash" (Iggy Azalea song), 2012
• "Flash" (Perfume song), 2016
• "Flash", a song by Cigarettes After Sex from their self-titled album, 2017
• "Flash" (X1 song), 2019
• "Flash", a song by Rocket Punch, 2022

• The Flash (1990 TV series), a 1990 American superhero series
• The Flash (2014 TV series), a 2014 American superhero series

• FLASH (Z), a military message precedence designation
• M202 FLASH, a rocket launcher
• Operation Flash, a May 1995 Croatian Army offensive in Western Slavonia
• Tactical recognition flash, a coloured patch worn on the arm of combat clothing to distinguish their regiment or corps

• Flash (wrestler) (born 1981), masked professional wrestler
• Flash Brown (born 1981), pornographic actor and basketball player
• Adam Flash (born 1971), American professional wrestler
• Flash Flanagan (born 1974), American professional wrestler
• Grandmaster Flash (born 1958), American hip hop musician and DJ
• Larry "Flash" Jenkins (1955–2019), American actor, film director, producer, and screenwriter
• Scott Norton (born 1961), American professional wrestler
• Flash Terry (1934–2004), American guitarist and singer

• Flash, on the TV show American Gladiators
• Gabriel Elorde (1935–1985), Filipino professional boxer
• Richard Flash (born 1976), English footballer
• Josh Gordon (born 1991), American football player
• Flash Hollett (1911–1999), Canadian ice hockey defenceman
• Cordarrelle Patterson (born 1991), American football player
• Gordon Shedden (born 1979), British racing driver
• Dwyane Wade (born 1982), American basketball player
• Lee Young-ho (born 1992), South Korean professional Starcraft player also known as "Flash"

• George Flash (1909–1990), Israeli politician
• Sandy Flash (died 1778), American highwayman
• Mark Kennedy (policeman), known undercover as Flash or Mark Stone

• Flash, Staffordshire, England, a village
• The Flash (lake), a lake near Borras, Wales

• Adobe Flash (formerly Shockwave Flash and Macromedia Flash), multimedia platform software
• Flash memory, a kind of non-volatile computer memory
• Flash!, the bundled graphics package for the SAM Coupé

• Flash (manufacturing), an excess material attached to a moulded product along a parting line
• Flash (photography), instantaneous illumination for picture taking
• FLASH, a particle physics facility in Germany
• Flash lightning, a lightning burst within a cloud (Intracloud)
• FlAsH-EDT2 or FlAsH tag, a fluorescent label for proteins
• Fly Castelluccio Flash, an Italian paramotor design
• Hook flash in telephony, often labelled on buttons as simply 'flash'
• M202 FLASH, a rocket launcher
• Tilbury Flash, an American racing monoplane built in the 1930s
• Fast low angle shot magnetic resonance imaging (FLASH), an MRI pulse-sequence

• Flash (juggling), a type of throwing and catching
• Delaware Blue Coats, originally the Utah Flash, an NBA Development League team
• Flash Engineering, a Swedish motorsports team
• Flash Stakes, a former Thoroughbred horse race
• Kent State Golden Flashes or just the Flashes, the athletics teams of Kent State University
• Las Vegas Flash, an inline hockey team in 1994
• Monterrey Flash, a Mexican indoor soccer team formed in 2011
• Rochester Flash, a former American Soccer League team
• San Diego Flash, a soccer team based in San Diego, California
• Western New York Flash, an American women's soccer franchise

• Flash (cleaning product), the trading name of Mr. Clean in the UK and Ireland
• Flash (lake), a body of water that forms where the land below it has subsided
• Flash (tattoo), a source pattern for body art
• Flash, to expose a person's private parts to another person in exhibitionism
• Flash, a lightning bolt symbol, for example in Flash and Circle
• Flash Airlines, a private charter airline operating out of Cairo, Egypt
• Flash BRT, a bus rapid transit network in Montgomery County, Maryland

• Flashing (disambiguation)
• All pages with titles beginning with Flash
• All pages with titles containing Flash