Red flag

Template:Sister project 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, 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), predominantly a symbol of left-wing ideologies
  • Flag of the Soviet Union, 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)

Botany

• Red flag, a common name for Iris fulva, a flowering plant endemic to the southern and central United States

Law

• Red flag law, a state law in the US that allows temporary confiscation of firearms
• Red flag traffic laws, 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, 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
• "Red Flag", an episode of Chicago Fire
• "Red Flag", an episode of Jericho
• "Red Flag", an episode of the TV documentary series People's Century
• Red Flag, fictional group in Alphas

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 ('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", 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
• "Red Flag", a song by Gwen Stefani from the 2016 album This Is What the Truth Feels Like
• "Red Flag", a song by Kesha from the 2025 album Period
• "Red Flag Day", a song by U2 from the 2017 album Songs of Experience
• "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, 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

See also

• Hongqi (disambiguation) (Chinese, 'Red Flag')
• Jolly Roger, a pirate flag
• Red Flag riots, in Brisbane, Australia 1918–19