Los

LOS, or Los, or LoS may refer to:

Science and technology

 * Length of stay, the duration of a single episode of hospitalisation
 * Level of service, a measure used by traffic engineers
 * Level of significance, a measure of statistical significance
 * Line-of-sight (disambiguation)
 * LineageOS, a free and open-source operating system for smartphones and tablet computers
 * Loss of signal
 * Fading
 * End of pass (spaceflight)
 * Loss of significance, undesirable effect in calculations using floating-point arithmetic

Medicine and biology

 * Lipooligosaccharide, a bacterial lipopolysaccharide with a low-molecular-weight
 * Lower oesophageal sphincter

Arts and entertainment

 * The Land of Stories, a series of children's novels by Chris Colfer
 * Los, or the Crimson King, a character in Stephen King's novels
 * Los (band), a British indie rock band from 2008 to 2011
 * Los (Blake), a character in William Blake's poetry
 * Los (rapper) (born 1982), stage name of American rapper Carlos Coleman
 * "Los", a song from the Rammstein album Reise, Reise
 * Los, or 'Legion of Skanks', is a comedy podcast on Gas Digital Network.

Games and sports

 * Line of scrimmage, in American football
 * Lucas Oil Stadium, Indianapolis, Indiana, the home of the Indianapolis Colts football team

Locations

 * Îles de Los, Guinea
 * Los, Sweden
 * Łoś, Masovian Voivodeship, Poland
 * Los, a small crater on Mars

Business

 * LOS AS, a Norwegian electricity supplier and subsidiary of Agder Energi
 * Loan Origination System

Weapons

 * PZL.37 Łoś, Polish bomber aircraft
 * Los (Лось), Soviet hunting rifle

Other uses

 * Los (surname)
 * Law of the sea
 * London Oratory School, a Catholic secondary school in Fulham, London; commonly known as The Oratory
 * League of the South, a neo-Confederate group
 * los, ISO 639 code for the Loniu language of Papua New Guinea
 * los, a determiner in the Spanish language
 * los, a pronoun in the Spanish language
 * LOS, the IATA code for Murtala Muhammed International Airport in Lagos, Nigeria
 * LOS, the National Rail code for Lostwithiel railway station in Cornwall, UK