Halo

Halo generally refers to:

Halo (optical phenomenon)
Halo (religious iconography), a glow or ring of light around a head or person in art or a ring above one's head
Halo (series), a video game franchise

Halo or HALO may also refer to:

Businesses and organizations

Halo (bar), a gay bar in Washington, D.C., United States
Los Angeles Angels of Anaheim, a baseball team, nicknamed "the Halos"
HALO Technology Holdings, a parent company of several long established technology sector companies
HALO Trust, an organization to remove landmines and other war debris

Galactic halo, an extended, roughly spherical component of a galaxy which extends beyond the main, visible component
Halo orbit, a periodic, three-dimensional orbit
Helium and Lead Observatory, a supernova neutrino detector

Halo (mathematics), a concept in the theory of hyperreal numbers
Monad (non-standard analysis), or halo, in non-standard analysis, the set of points infinitely close to a given point

Halo (medicine), a cervical brace
Halo sign, a finding on ultrasound that suggests the diagnosis of temporal arteritis
Health halo, a specialized Halo effect regarding food choices
Halo effect, a type of cognitive bias

Halo (optical phenomenon), an atmospheric light effect produced by ice crystals
Halation, a problem in photography
Heiligenschein an optical phenomenon giving a bright spot around a shadow, created when the surface on which the shadow falls has special optical characteristics

Halo- (chemistry), a prefix indicating the names of compounds which contain one or more halogen atoms
Halo antenna, a common omnidirectional antenna
HALO jump, a High Altitude-Low Opening parachute fall
Halo nucleus, of orbiting protons or neutrons
Project Halo, an artificial intelligence project of Vulcan Inc.
A vehicle wireless charging standard by Qualcomm
Mil Mi-26 helicopter (NATO reporting name "Halo")
Halo, a certain type of automobile headlamp
Halo (safety device), a component of open-wheel racing cars for protecting the driver's head

Halo, a fictional member of Wild Weasel's Phoenix Guard in G.I. Joe: America's Elite
Halo (comics), a DC Comics superheroine
Halo Jones, the heroine of the science fiction comic strip "The Ballad of Halo Jones" written by Alan Moore.
Characters of Halo

Halo (1996 film), a 1996 Indian film
Halo (2007 cancelled film), a never produced film adaptation of the Halo video game series
Halo 4: Forward Unto Dawn (2012 film), a military science fiction action film set in the universe of the Halo franchise

Halo (series), a video game franchise by Bungie, 343 Industries, and Microsoft Game Studios
- Halo: Combat Evolved, the first game in the series commonly referred to only as Halo
- Halo (megastructure) is the center of the game's canon and from which it is named
- Halo (board game), strategy games based on the Halo universe

"Halo" (Beyoncé song), 2008
"Halo" (Machine Head song), 2008
"Halo" (Red Flag song), 2008
"Halo" (Soil song), 2001
"Halo" (Texas song), 1997
"Halo", a song by Basement on the album Promise Everything
"Halo", a song by Bethany Joy Galeotti on the album Friends with Benefits: Music from the Television Series One Tree Hill, Volume 2
"Halo", a song by Bloc Party on the album Intimacy
"Halo", a song by Cage the Elephant on the album Melophobia
"Halo", a song by The Cure on the album Join the Dots
"Halo", a song by Depeche Mode on the album Violator
"Halo", a song by Endless Shame on the album Generation Blind
"Halo", a song by Foo Fighters on the album One by One
"Halo", a song by Linkin Park from the 2010 Linkin Park Underground EP LP Underground X: Demos
"Halo", a song by Porcupine Tree on the album Deadwing
"Halo", a song by The Pussycat Dolls on the album Doll Domination
"Halo", a song by Takida on the album Bury the Lies
"Halo", a song by Tinchy Stryder on the album Catch 22
"Halo", a song by Slash on the album Apocalyptic Love
"Halo", a song by Starset on the album Transmissions
"Halo, Halo", a song that placed 14th of 18 entries in a 1982 contest
"Haloes", a song by The Tubes on the album The Tubes