# Flag (disambiguation)

A flag is a colored cloth with a specified meaning.
Flag(s) or The Flag(s) may also refer to:

## Places

* Flag, Arkansas, an unincorporated community
* Flag, Missouri, a ghost town
* Flag River, a river in northern Wisconsin
* Flag (crater), a small crater in the Descartes Highlands of the Moon

## Arts, entertainment, and media
### Fictional entities

* Captain Flag, American superhero
* Foundation for Law And Government (FLAG), a fictional law-enforcement foundation in the TV series Knight Rider and sequels
* Jack Flag, superhero appearing in American comic books
* The Flag (Ace Comics), comicbook superhero

### Film and television

* Flag (TV series), 2006 Japanese mecha-genre anime television series by Kazuo Terada
* The Flag: A Story Inspired by the Tradition of Betsy Ross, a 1927 silent short film

### Music

* Flag (note), a part of a note value in music notation
* Flag, a band formed by former members of Black Flag
* Flag (James Taylor album), 1979
* Flag (Yello album), 1988
* Flags (Brooke Fraser album), 2010
* Flags (Moraz and Bruford album), 1985
* The Flag (album), by Rick James, 1986
* "Flags", a song by Coldplay from Everyday Life, 2019
* "Flags", a song by the Cat Empire, a pre-order bonus track from Rising with the Sun

### Paintings

* Flag (painting), a 1954/1955 painting by American artist Jasper Johns
* The Flag (O'Keeffe painting), a 1918 painting by Georgia O'Keeffe

### Other media

* Flag (lighting), in film and photography, a device used to block light
* The Flag (novel), a 1965 novel by Robert Shaw
* Karogs, The Flag in Latvian, a literary magazine (1940–2010)

## Biology and medicine
### Plants

Flag is the common name of several genera or species of flowering plants:
* Acorus calamus or sweet flag, found in many countries
* Flag iris or just "flag", various species in North America
* Libertia pulchella, or pretty grass-flag, a species native to New Guinea, New Zealand and Australia
* Patersonia or native flag, an Australian plant genus resembling the genus Iris

### Other uses in biology and medicine

* FLAG (chemotherapy), a chemotherapy regimen
* FLAG-tag, a unique epitope added to proteins in biochemistry
* Flagging (botany), a growth pattern that reduces or eliminates growth on one side of a tree or other plant

## Computing

* Flag (computing), a true/false, on/off or open/closed indicator (Boolean variable)
* Command line flag, a modifier for a command line interface command
* FLAGS register (computing), a CPU register on x86 systems
* Fiber-Optic Link Around the Globe (FLAG), an undersea fiber optic cable
* To alert admins on a message board that a post needs to be moderated

## Industry

* F.L.A.G. (Fabbrica Ligure Automobili Genova), an Italian automobile manufacturer c. 1906
* FLAGS (Far North Liquids and Associated Gas System), a natural gas pipeline in the North Sea
* Flag and pennant patterns, in technical analysis

## Mathematics

* Flag (geometry), part of a polygon, polyhedron or higher polytope
* Flag (linear algebra), an increasing sequence of subspaces of a vector space

## Physical science and technology

* Flagstone or flag, a large flat stone used for paving, fencing, or roofing

## Politics and government

* The Free Legal Assistance Group or FLAG, the largest firm of Filipino human rights lawyers
* Flag state, the state under whose laws a merchant ship is registered or licensed
* Flag Boshielo, Missing South African anti-apartheid activist, trade unionist, and communist

## Sports and games

* Flag, a baton used in the sporting event Beach Flags
* Flag, a type of bet offered by UK bookmakers
* Flag, a casino token used at the Bellagio in Las Vegas, Nevada
* Penalty flag or flag, a yellow cloth used by game officials in some field sports to indicate an infraction
* The prize for being the premier of the Australian Football League.

## Other uses

* Church of Scientology Flag Service Organization, commonly referred to in Scientology as "Flag," in Clearwater, Florida, U.S.