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

• Blue Light (unit), a 1970s US counter-terrorist subunit of the United States Army's 5th Special Forces Group

Emergency services

• 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

Arts, entertainment and media

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

Music

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
• "Blue Lights", a song by James Barker Band from their 2025 album One of Us
• "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

See also

• Blue Lights in the Basement, a studio album by American singer Roberta Flack released in 1977
• Blue light phototherapy, light therapy involving a medical device that radiates blue light
• Cobalt blue light, a type of light used by slit lamps to help in the diagnosis of eye diseases
• Effects of blue light technology
• Blue Lanterns (disambiguation)
• Bluelight (disambiguation)