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)