LOS, or Los, or LoS may refer to:

Science and technology

Length of stay Length of stay (LOS) is the duration of a single episode of hospitalization. patient, Inpatient days are calculated by subtracting day of admission from day of :wikt:discharge, discharge. Analysis A common statistic associated with length of stay ...

, the duration of a single episode of hospitalisation *

Level of service Level of service may refer to: * Levels of service in asset management * Level of service (transportation) in transportation and traffic * Something agreed on in a Service-level agreement A service-level agreement (SLA) is a commitment between a ...

, a measure used by traffic engineers * Level of significance, a measure of statistical significance *

Line-of-sight (disambiguation) Line of sight (adjectival form line-of-sight) is the unobstructed line between an observer and a subject of interest. Line of sight or Line of Sight may also refer to: * Sightline (architecture), an unobstructed line-of-sight between a subject a ...

LineageOS LineageOS is an Android-based operating system for smartphones, tablet computers, and set-top boxes, with mostly free and open-source software. It is the successor to CyanogenMod, from which it was forked in December 2016, when Cyanogen Inc. a ...

, a free and open-source operating system for smartphones and tablet computers * Loss of signal **

Fading In wireless communications, fading is variation of the attenuation of a signal with various variables. These variables include time, geographical position, and radio frequency. Fading is often modeled as a random process. A fading channel is a ...

**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 esophageal sphincter, 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 List of craters on Mars#L, crater on Mars

Business

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

Weapons

* PZL.37 Łoś, Polish bomber aircraft * Los (hunting rifle), 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 Spanish determiners, determiner in the Spanish language * ''los'', a Spanish pronouns, 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