Red flag may refer to:

Signs and warnings

* Red flag (idiom), a literal or metaphorical warning * Red flag (American slavery), signal of an upcoming slave sale * Red flag warning, issued by the National Weather Service in the United States *

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

, maritime flag signaling an intention to give battle with no quarter (fight to the death) * Red flag in motor racing, when conditions are too dangerous to continue the session * Red flag in gridiron football * Red flag used by a railway conductor

Politics

Red flag (politics) In politics, a red flag is predominantly a symbol of left-wing politics, left-wing ideologies, including socialism, communism, anarchism, and the labour movement. The originally empty or plain red flag has been associated with left-wing politi ...

, predominantly a symbol of left-wing ideologies ** Red Banner, a symbol of revolutionary struggle used in Russia and the Soviet Union **

Flag of the Soviet Union The State Flag of the Union of Soviet Socialist Republics, also simply known as the Soviet flag or the Red Banner, was a Red flag (politics), red flag with two Communist symbolism, communist symbols displayed in the Canton (flag), canton: a gold ...

, known as the Red Banner * Red Flag Party, a communist party in Venezuela * Peruvian Communist Party (Marxist–Leninist), originally Peruvian Communist Party – Red Flag * Communist Organization of Spain (Red Flag) * Communist Party (Burma), or Red Flag Communist Party * Communist Party of India (Marxist–Leninist) Red Flag * Marxist-Leninist Party of India (Red Flag)

Law

Red flag law In the United States, a red flag law (named after the idiom red flag meaning “warning sign“; also known as a risk-based gun removal law,Reena Kapoor, Elissa Benedek, Richard J. Bonnie, Tanuja Gandhi, Liza Gold, Seth Judd, Debra A. PinalsRes ...

, a state law in the US that allows temporary confiscation of firearms *

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 ...

, in the UK and US in the 19th century affecting drivers of early automobiles ** "Red Flag Act", a Locomotive Act, the 19th-century British road law *

Red Flags Rule The Red Flags Rule was created by the Federal Trade Commission (FTC), along with other government agencies such as the National Credit Union Administration (NCUA), to help prevent identity theft Identity theft, identity piracy or identity inf ...

, to help prevent identity theft in the US

Arts, entertainment and media

Film and television

* ''Red Flag'', a 2012 film starring Alex Karpovsky * ''Red Flag: The Ultimate Game'', a 1981 TV film starring

Barry Bostwick Barry Knapp Bostwick (born February 24, 1945) is an American actor. He is best known for portraying Brad Majors in '' The Rocky Horror Picture Show'' (1975) and Mayor Randall Winston in the sitcom '' Spin City'' (1996–2002). Bostwick has also ...

* "Red Flag", an episode of ''Jericho'' * Red Flag, fictional group in ''

Alphas ''Alphas'' is an American superhero drama television series created by Zak Penn and Michael Karnow. It follows a group of people with superhuman abilities, known as "Alphas", as they work to prevent crimes committed by other Alphas. The serie ...

'' * "Red Flag", an episode of the TV 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-TV, WGBH Boston in the United States. The series was first shown on BBC in ...

Literature

* ''Red Flag'' (magazine), published by the Chinese Communist Party * ''Red Flag'' (newspaper), by the Trotskyist organisation Socialist Alternative in Australia * '' Shimbun Akahata'' ('Newspaper Red Flag'), of the Japanese Communist Party * ''Bandera Roja'' (La Paz), a socialist newspaper in Bolivia of the 1920s * ''

Die Rote Fahne ''Die Rote Fahne'' (, ''The Red Flag'') was a German newspaper originally founded in 1876 by Socialist Worker's Party leader Wilhelm Hasselmann, and which has been since published on and off, at times underground, by German Socialists and Commun ...

'' ('The Red Flag'), a German communist newspaper created on 9 November 1918 by Karl Liebknecht and Rosa Luxemburg

Music

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

The Red Flag "The Red Flag" () is a socialist song, emphasising the sacrifices and solidarity of the international labour movement. It is the anthem of the British Labour Party, the Northern Irish Social Democratic and Labour Party and the Irish Labour P ...

", a socialist song * " Bandiera Rossa" ('Red Flag'), a famous song of the Italian labour movement * " The Standard of Revolt" (French: ''Le drapeau rouge'' 'the red flag'), a French socialist song * "Red Flag" (song), by Billy Talent, 2006 * "Red Flags" (song), by Mimi Webb, 2023 * "Red Flags", a 2023 song by Josh Ross * "Red Flags", a 2023 song by Plain White T's * "Red Flag", a song by Slipknot from the 2019 album ''

We Are Not Your Kind ''We Are Not Your Kind'' is the sixth studio album by American heavy metal band Slipknot. Recorded at EastWest Studios in Hollywood, California with co-producer Greg Fidelman (who previously produced the band's 2014 album '' .5: The Gray Cha ...

'' * "Red Flag", a song by Gwen Stefani from the 2016 album ''

This Is What the Truth Feels Like ''This Is What the Truth Feels Like'' is the third studio album by American singer Gwen Stefani. It was released on March 18, 2016, by Interscope Records. Initially, the album was scheduled to be released in December 2014 with Stefani working w ...

'' * "Red Flag Day", a song by U2 from the 2017 album ''

Songs of Experience ''Songs of Innocence and of Experience'' is a collection of illustrated poems by William Blake. Originally, Blake illuminated and bound ''Songs of Innocence'' and ''Songs of Experience'' separately. It was only in 1794 that Blake combined the t ...

'' * "Red Flags", a song by Chris Brown from the 2023 album '' 11:11'' * "Red Flags", a song by Tinashe from the 2024 album '' Quantum Baby''

Other uses

* Red Flag AB, a company based in Stockholm and Malta * Red Flag Group, a compliance risk firm in Hong Kong * Red Flag Linux, software * Red Flag Publishing House, a book publisher based in China *

Exercise Red Flag Exercise Red Flag (also Red Flag – Nellis) is a two-week advanced aerial combat training exercise held several times a year by the United States Air Force (USAF). It aims to offer realistic air-combat training for military pilots and other ...

, a series of United States Air Force training exercises ** Red Flag – Alaska * Red Flag, several classes of locomotives by Kim Chong-t'ae Electric Locomotive Works, in North Korea * Charles E. Taylor (politician), known as "Red Flag" Taylor, an American politician