Or or OR may refer to:

Arts and entertainment

Film and television

* "O.R.", a 1974 episode of

M*A*S*H ''M*A*S*H'' (Mobile Army Surgical Hospital) is an American media franchise consisting of a series of novels, a film, several television series, plays, and other properties, and based on the semi-autobiographical fiction of Richard Hooker. The ...

* Or (My Treasure), a 2004 movie from Israel (''Or'' means "light" in Hebrew)

Music

* ''Or'' (album), a 2002 album by Golden Boy with Miss Kittin * ''O*R'', the original title of Olivia Rodrigo's album '' Sour'', 2021 * "Or", a song by Israeli singer

Chen Aharoni Chen Aharoni ( he, חן אהרוני; also known as Chen and also transliterated as Hen Aharoni; born in Holon, Israel on 12 April 1990) is an Israeli singer-songwriter, musician and television presenter Career ''Kokhav Nolad'' (2007) He came i ...

in Kdam Eurovision 2011 * Or Records, a record label * Organized Rhyme, a Canadian hip-hop group featuring Tom Green

Businesses and organizations

* Or (political party) (), Israel *

OR Books OR Books is a New York City-based independent publishing house founded by John Oakes and Colin Robinson in 2009. The company sells digital and print-on-demand books directly to the customer and focuses on creative promotion through traditional med ...

, an American publisher * Owasco River Railway, Auburn, New York, U.S. (by reporting mark) * TUI fly Netherlands, formerly ''Arke'', a Dutch charter airline (by IATA designator)

Language and linguistics

Or (digraph) This is a list of digraphs used in various Latin alphabets. Capitalisation involves only the first letter (''ch'' becomes ''Ch'') unless otherwise stated (''ij'' becomes ''IJ''). Letters with diacritics are arranged in alphabetic order accordin ...

, in the Uzbek alphabet * Or (letter) (or ''forfeda''), in Ogham, the Celtic tree alphabet *

Odia language Odia (, ISO: , ; formerly rendered Oriya ) is an Indo-Aryan language spoken in the Indian state of Odisha. It is the official language in Odisha (formerly rendered Orissa), where native speakers make up 82% of the population, and it is also ...

, an ancient Indo-Aryan tongue spoken in East India (ISO 639) * Or, an English

grammatical conjunction In grammar, a conjunction (list of glossing abbreviations, abbreviated or ) is a part of speech that connects words, phrases, or clauses that are called the conjuncts of the conjunctions. That definition may overlap with that of other parts of s ...

* -or, an English

agent noun In linguistics, an agent noun (in Latin, ) is a word that is derived from another word denoting an action, and that identifies an entity that does that action. For example, "driver" is an agent noun formed from the verb "drive". Usually, ''derive ...

suffix * Or, a digraph in Taiwanese's Daī-ghî tōng-iōng pīng-im phonetic transcription

Places

Europe

Or (Crimea) The Isthmus of Perekop, literally Isthmus of the Trench ( uk, Перекопський перешийок; Romanization of Ukrainian, transliteration: ''Perekops'kyy pereshyyok''; russian: Перекопский перешеек; Romanization of ...

, an isthmus of the Black Sea *

Or (river) The Or (russian: Орь, kk, Ор) is a river in Orenburg Oblast of Russia and Aktobe Province of Kazakhstan. It is a left tributary of the Ural, and is 332 km long, with a drainage basin of 18 600 km2. The river is formed by the co ...

, a tributary of the Ural * Province of Oristano, Italy (by vehicle code)

United States

Oregon Oregon () is a U.S. state, state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington (state), Washington, while the Snake River delineates much of it ...

, a U.S. state (by postal abbreviation)

Science, technology, and mathematics

Computing and mathematics

* Or (logic), logical disjunction * Exclusive or (XOR), a logical operation * Bitwise OR, an operator in computer programming, typically notated as or or , * The short-circuit operator ''or'', notated or, , , , or or else * Elvis operator, an operator in computer programming that returns its first operand if its value is considered true, and its right operand if not * Null coalescing operator, an operator in computer programming * Onion routing, anonymous networking technique (also Onion Router) * OR gate, an integrated circuit in electronics * Object-relational mapping

Other uses in science and technology

Odds ratio An odds ratio (OR) is a statistic that quantifies the strength of the association between two events, A and B. The odds ratio is defined as the ratio of the odds of A in the presence of B and the odds of A in the absence of B, or equivalently (due ...

, a measure of effect size in statistics * ''OR'', a previous title of the ''

Journal of the Operational Research Society The ''Journal of the Operational Research Society'' is a peer-reviewed academic journal covering operations research. It is an official journal of The Operational Research Society and has been in existence since 1950. It publishes full length case- ...

'' *

Operating room Operation or Operations may refer to: Arts, entertainment and media * ''Operation'' (game), a battery-operated board game that challenges dexterity * Operation (music), a term used in musical set theory * ''Operations'' (magazine), Multi-Man ...

, in medicine *

Operations research Operations research ( en-GB, operational research) (U.S. Air Force Specialty Code: Operations Analysis), often shortened to the initialism OR, is a discipline that deals with the development and application of analytical methods to improve deci ...

, or operational research, in British English * Operations readiness

Titles and ranks

* Official receiver, a statutory office holder in England and Wales *

Order of Roraima of Guyana The Order of Roraima of Guyana is the second highest National Award of Guyana, and is limited to only thirty five living Guyanese recipients. Established in 1976, it is awarded to any citizen of Guyana who has given outstanding service to the nat ...

, an award of the Republic of Guyana *

Other ranks, Denmark (disambiguation) For non-officer ranks in Denmark, see: *Ranks and insignia of Royal Danish Army *Ranks and insignia of Royal Danish Navy *Ranks and insignia of Royal Danish Air Force The Royal Danish Air Force ranks follow the NATO system of ranks and insignia, a ...

, military personnel in all branches of the Danish military that are not officers by the NATO system of ranks and insignia *

Other ranks (UK) Other ranks (ORs) in the Royal Marines, British Army, Royal Air Force, and in the armies and air forces of many other Commonwealth countries and the Republic of Ireland, are those personnel who are not commissioned officers, usually including no ...

, personnel who are not commissioned officers, usually including non-commissioned officers (NCOs), in militaries of many Commonwealth countries

Other uses

* Or (name), Hebrew given name and surname *

Official Records of the American Civil War The ''Official Records of the Union and Confederate Armies in the War of the Rebellion'', commonly known as the ''Official Records of the Union and Confederate Armies'' or Official Records (OR or ORs), is the most extensive collection of Americ ...

* Olympic record, a term for the best performances in Olympic Games * ''Or'' (heraldry), a gold or yellow tincture (from the French word for "gold") * Own

Recognizance In some common law nations, a recognizance is a conditional pledge of money undertaken by a person before a court which, if the person defaults, the person or their sureties will forfeit that sum. It is an obligation of record, entered into before ...

, the basis for releasing someone awaiting trial without bail