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. Th ...

Or (My Treasure) ''Or (My Treasure)'' is a 2004 drama film starring Dana Ivgy in the title role of Or, a teenager who struggles to be responsible for her prostitute mother Ruthie, played by Ronit Elkabetz. The French-Israeli production premiered on 14 May 2004 at ...

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

Music

* Or (album), ''Or'' (album), a 2002 album by Golden Boy with Miss Kittin * ''O*R'', the original title of Olivia Rodrigo's album ''Sour (album), Sour'', 2021 * "Or", a song by Israeli singer Chen Aharoni 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, 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), in the Uzbek alphabet * Or (letter) (or ''forfeda''), in Ogham, the Celtic tree alphabet * Odia language, an ancient Indo-Aryan tongue spoken in East India (ISO 639) * Or, an English grammatical conjunction * -or, an English agent noun suffix * Or, a digraph in Taiwanese's Daī-ghî tōng-iōng pīng-im phonetic transcription

Places

Europe

* Or (Crimea), an isthmus of the Black Sea * Or (river), a tributary of the Ural * Province of Oristano, Italy (by vehicle code)

United States

* Oregon, 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, a measure of effect size in statistics * ''OR'', a previous title of the ''Journal of the Operational Research Society'' * Operating room, in medicine * Operations research, or operational research, in British English * Operations readiness and assurance, Operations readiness

Titles and ranks

* Official receiver, a statutory office holder in England and Wales * Order of Roraima of Guyana, an award of the Republic of Guyana * Other ranks, Denmark (disambiguation), military personnel in all branches of the Danish military that are not officers by the NATO system of ranks and insignia * Other ranks (UK), 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 * Olympic record, a term for the best performances in Olympic Games * Or (heraldry), ''Or'' (heraldry), a gold or yellow tincture (from the French word for "gold") * Own Recognizance, the basis for releasing someone awaiting trial without bail