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 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

"Red Light" (Linda Clifford song), on the soundtrack to the film Fame
"Red Light" (David Nail song), by David Nail
"Redlight" (song), a single by Ian Carey
"Red Light" (U2 song), by U2
"Red Light", a single by Eddie Murphy, featuring Snoop Dogg
"Red Light (Siouxsie and the Banshees song)", by Siouxsie and the Banshees from Kaleidoscope
"Red Light", by The Strokes from First Impressions of Earth
"Red Light", by Fastball from Keep Your Wig On
“Red Light”, by Jonny Lang from Long Time Coming
"Redlight", by Kelly Osbourne from Sleeping in the Nothing
"Red Lights" (song), a single by Tiësto
"Red Lights" (Stray Kids song), a song by Stray Kids from Noeasy
"Red Lights", by duo Chloe x Halle from their EP Sugar Symphony

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