Blue Light

Blue Light or Blue light may refer to:

Science and technology

 * Portion of the visible spectrum related to the blue color
 * Blue laser
 * Blue LED
 * Cherenkov radiation, the physical phenomenon responsible for the characteristic blue glow in nuclear reactors
 * Blue light (pyrotechnic signal), a firework composition used for night-time signaling and illumination
 * Biological effects of high-energy visible light

Military and emergency services

 * Blue Light (counter-terrorist subunit), a 1970s US counter-terrorist subunit of the 5th Special Forces Group
 * Blue lights, also known as blues and twos services, British emergency services
 * Blue lights, emergency telephone systems meant to deter crime, specially designed for use on campuses

Film and television

 * The Blue Light (1932 film), a 1932 film directed by Leni Riefenstahl
 * The Blue Light (2003 film), a 2003 Japanese film directed by Yukio Ninagawa
 * Blue Light (TV series), a 1966 television series starring Robert Goulet
 * Blue Lights (2023 TV series), a British television series

Literature

 * Blue Light (novel), 1998 novel by Walter Mosley
 * Blue Light, an alternative title to The Transall Saga, a novel by Gary Paulsen
 * "The Blue Light" (fairytale), a Brothers Grimm fairy tale

Albums and EPs

 * Blue Light, an EP by Aoife O'Donovan released in 2010
 * Blue Lights (album), an album by Kenny Burrell released as two volumes in 1958

Songs

 * "Blue Light", a song by Armageddon Dildos from their 1997 album Speed
 * "Blue Light", a song by Bloc Party from their 2005 album Silent Alarm
 * "Blue Light", a song by David Gilmour from his 1984 album About Face
 * "Blue Light", a song by Mazzy Star from their 1993 album So Tonight That I Might See
 * "Blue Light", a song by Miranda Sex Garden from their 1992 EP Iris
 * "Blue Light", a song by Mitski from her 2018 album Be the Cowboy
 * "Blue Light", a song by Mostly Autumn from their 2006 album Heart Full of Sky
 * "Blue Light", a song by Prince from the Love Symbol Album
 * "Blue Light", a song from Braggin' in Brass: The Immortal 1938 Year
 * "Blue Lights" (song), a song by Jorja Smith from her 2018 album Lost & Found
 * "The Blue Light", a song by Frank Zappa from his 1981 album Tinsel Town Rebellion

Other uses

 * Blue Light (horse) (born 1958), Canadian racehorse
 * Blue Light, a Canadian beer made by the Labatt Brewing Company
 * Blue Light Specials, sales held at Kmart stores
 * Bluelight (web forum), a web forum dedicated to harm reduction in drug use