Or or OR may refer to: Arts and entertainment Film and television "O.R.", a 1974 episode of M*A*S*H 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 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) Orange Line (Washington Metro) 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 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