Red light

Red light or redlight may refer to:

Science and technology

• Red, any of a number of similar colors evoked by light in the wavelength range of 630–740 nm
  • Red light, a traffic light color signifying stop
  • Red light, a color of safelight used in photographic darkrooms
  • Red light therapy

Arts and entertainment

• Red Lights (novel) (Feux Rouges), a 1953 book by Georges Simenon

Film

• Red Lights (1923 film), a 1923 American silent film
• Red Light (film), a 1949 crime film starring George Raft
• Red Lights (2004 film) (Feux rouges), a French thriller directed by Cédric Kahn
• Red Lights (2012 film), a thriller by Rodrigo Cortés
• Redlight (film), a 2009 documentary film
• Redlights, a 2023 short film by Eva Thomas that was subsequently expanded into the 2025 feature Nika and Madison

Music

• Red Light, a sublabel of Tunnel Records
• Redlight (musician) (born 1980), British electronic musician

Albums

• Red Light (Bladee album), 2018
• Red Light (f(x) album), 2014
• Redlight (Grails album), 2004
• Redlight (The Slackers album), 1997
• Red Light!, by Indigo Swing, 1999

Songs

• "Red Light" (Linda Clifford song)
• "Red Light" (David Nail song)
• "Red Light" (Siouxsie and the Banshees song)
• "Red Light" (U2 song)
• "Redlight" (song), by Ian Carey
• "Red Lights" (song), by Tiësto
• "Red Light", by Fastball from Keep Your Wig On
• "Red Light", by Jonny Lang from Long Time Coming
• "Red Light", by Eddie Murphy, featuring Snoop Dogg
• "Red Light", by The Strokes from First Impressions of Earth
• "Red Light", by Wall of Voodoo from Dark Continent
• "Red Light!", by XXXTentacion from A Ghetto Christmas Carol
• "Redlight", by Destroy Lonely from If Looks Could Kill
• "Redlight", by Kelly Osbourne from Sleeping in the Nothing
• "Red Lights", by Stray Kids from Noeasy
• "Red Lights", by Chloe x Halle from Sugar Symphony

Other uses

• Redlight Children Campaign, an American non-profit organization
• Common synonym for goals in ice hockey, derived from the red lamp behind the net activated to confirm a goal
• André Racicot (born 1969), nicknamed "Red Light", retired ice hockey goalie
• Operation Red Light II, a 2006 coalition military operation of the Iraq War

See also

• Red-light district, a part of an urban area where there is a concentration of prostitution and sex-oriented businesses
• Red Light Lizzie (fl. 1860–1875), a 19th-century madam and underworld figure in New York City
• Red light/Green light, a traditional children's game
• Red Lantern (disambiguation)
• Green light (disambiguation)