Red flag may refer to: * Red flag (idiom), a metaphor for something signalling a problem * Red flag warning, a term used by meteorologists *

Bloody flag Often called bloody flags or blood flags (among other names, see ), pattern free ''red flags'' was the traditional nautical symbol in European waters prior to the invention of flag signal codes to signify an intention to give battle and that � ...

, maritime flag signaling an intention to give battle with no quarter (fight to the death) *

Red flag (racing) Racing flags are traditionally used in auto racing and similar motorsports to indicate track condition and to communicate important messages to drivers. Typically, the starter, sometimes the grand marshal of a race, waves the flags atop a flag s ...

, used in auto racing when conditions are too dangerous to continue the session *

Red flag (politics) In politics, a red flag is predominantly a symbol of socialism, communism, Marxism, trade unions, left-wing politics, and historically of anarchism. It has been associated with left-wing politics since the French Revolution (1789–1799).Brink, ...

, a symbol of socialism, communism or left-wing politics

Politics

* ''Red Flag'' (magazine), a major political journal published by the Chinese Communist Party *

Red Flag Party The Red Flag Party ( es, Partido Bandera Roja) is a communist party in Venezuela. Formed in 1970 by anti-revisionist members of the Revolutionary Left Movement (MIR), the party initially supported the ideology of Enver Hoxha and the Party o ...

, a communist party in Venezuela *

Peruvian Communist Party (Marxist–Leninist) The Peruvian Communist Party (Marxist–Leninist) ( es, Partido Comunista Peruano (Marxista–Leninista)) is an anti-revisionist communist party in Peru. It was founded in January 1964 following a split in the Peruvian Communist Party, and was or ...

, a communist party in Peru * ''Red Flag'' (newspaper), an Australian left-wing newspaper published by Socialist Alternative * '' Shimbun Akahata'' (Newspaper Red Flag), the newspaper of the Japanese Communist Party * Red Banner, a symbol of revolutionary struggle used in Russia and the Soviet Union * Flag of the Soviet Union, known as "The Red Banner"

Law

* Red flag law, a law that allows the temporary confiscation of firearms from a person deemed a risk to others or to themselves *

Red flag traffic laws Red flag laws were laws in the United Kingdom and the United States enacted in the late 19th century, requiring drivers of early automobiles to take certain safety precautions, including waving a red flag in front of the vehicle as a warning. Red ...

, laws in the late 19th century affecting drivers of early automobiles * ''Red Flag Act'', properly, Locomotives Act 1865, the 19th-century British road law * Red Flags Rule created by the Federal Trade Commission (FTC) to help prevent identity theft

Military

* Exercise Red Flag (also called "Operation Red Flag"), a series of military training exercises *

Red Flag – Alaska Red Flag-Alaska is a realistic, ten-day air combat United States Air Force (USAF) training exercise held up to four times a year. It is held at Eielson Air Force Base and Elmendorf Air Force Base in the State of Alaska. Each ''Red Flag-Alaska'' ...

, a United States Air Force military training exercise conducted in Alaska

Film and TV

* "Red Flag" (''Jericho'') * Red Flag, television series characters in '' Alphas'' * ''Red Flag: The Ultimate Game'', a 1981 TV movie starring Barry Bostwick * "Red Flag", an episode of the television documentary series ''

People's Century ''People's Century'' is a television documentary series examining the 20th century. It was a joint production of the BBC in the United Kingdom and PBS member station WGBH Boston in the United States. The series was first shown on BBC in the 1995 ...

Music

* Red Flag (band), a synthpop band founded in 1984 * ''Red Flag'' (album), a 2016 album by All Saints

Songs

* The Red Flag, anthem of the British Labour Party * "Red Flag Day", song from U2 album ''

Songs of Experience ''Songs of Innocence and of Experience'' is a collection of illustrated poems by William Blake. It appeared in two phases: a few first copies were printed and illuminated by Blake himself in 1789; five years later, he bound these poems with a ...

'' * Red Flag (Italian song) " Bandiera Rossa", one of the most famous songs of the Italian labour movement * "Red Flag" (song), a song by Billy Talent from ''Billy Talent II'' * "Red Flags" (song), a 2023 song by Mimi Webb * "Red Flags", a 2023 song by

Josh Ross Josh Ross may refer to: * Josh Ross (sprinter) (born 1981), Australian sprinter * Josh Ross (singer), Canadian country singer and songwriter * Josh Ross (American football) Josh Ross (born October 31, 1999) is an American football linebacker fo ...

The Standard of Revolt The Standard of Revolt (original French title: Le drapeau rouge, ''The Red Flag'') is a French socialist and anarchist revolutionary song written in 1877 by Paul Brousse to the melody of the Swiss patriotic song ''Les bords de la libre Sarine'' ...

(French: ''Le drapeau rouge''), a French socialist song * "Red Flag", a song from Slipknot's album '' We Are Not Your Kind''

Other uses

* A red flag is used by a coach to signal a

replay review in gridiron football In gridiron football, replay review is a method of reviewing a play using cameras at various angles to determine the accuracy of the initial call of the officials. An instant replay can take place in the event of a close or otherwise controversial ...

* Red flags are sometimes used (less often than in the past) on rail transport in Great Britain and Ireland by railway guards as a signal to engine drivers that they must not proceed. * Red Flag (automobile), or FAW Hongqi, a luxury limousine made by First Automobile Works in China from the late 1950s *

Red Flag Linux Red Flag Linux () is a Linux distribution developed by Red Flag Software. The distribution logo is Tux carrying a prominent red flag. , the executive president of Red Flag Software is Jia Dong (). Beside specialised solutions, Red Flag Lin ...

, the Chinese Linux distribution *

Red Flag Publishing House Red Flag Publishing House or Hongqi Press (红旗出版社) is a book publisher based in China. It is a subsidiary company of Zhejiang Daily Press Group. Established in 1981, it is originally belonged to ''Qiushi'' Magazine and named after its pre ...

, a book publisher based in China