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 (SLA) {{Disambiguation ...

, 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 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 ...

**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 ''The Land of Stories'' is a series of children's fiction, adventure and fantasy books written by American author, actor and singer Chris Colfer. The first book, ''The Wishing Spell'', was released on July 17, 2012. The sixth book was publishe ...

'', 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

Weapons

PZL.37 Łoś The PZL.37 ''Łoś'' (''moose'') was a Polish twin-engined medium bomber designed and manufactured by national aircraft company PZL. It is also known as "PZL P-37" or "PZL P.37", but the letter "P" was generally reserved for fighters of Zygmunt Pu� ...

, 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