Or
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), an Israeli political party
- OR Books, a New York-based independent publishing house founded by John Oakes and Colin Robinson
- Owasco River Railway (reporting mark OR)
- Arkefly, Arke (formerly Arkefly), a Dutch charter airline headquartered in Schiphol-Rijk, Netherlands (IATA airline designator OR)
Education
- Old Radleian, a former pupil of Radley College in England
- Old Roedenian, a former pupil of Roedean School in England
- Old Roedenian, a former pupil of Roedean School (South Africa)
- Old Rugbeian, a former pupil of Rugby School in England
- Old Ruymian, a former pupil of Chatham House Grammar School, now the Chatham and Clarendon Grammar School
Language and linguistics
- Or (digraph) in the Uzbek alphabet
- Or (letter) (or forfeda) in the Ogham alphabet
- Odia language (by ISO 639 code), Indo-Aryan language
- Or, an English grammatical conjunction
- -or, an English agent noun suffix
- Or, a digraph in Taiwanese's daighi tongiong pingim phonetic transcription system
People
Places
- Odisha, state in India, formerly known as Orissa
- Or (Crimea)
- Or (river), a tributary of the Ural in Russia and Kazakhstan
- Oregon, a state in the United States whose postal abbreviation is "OR"
- Province of Oristano, Italy (vehicle code OR)
Science, technology, and mathematics
Computing
- 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
Mathematics and logic
- Or (logic), logical disjunction
- Exclusive or (XOR), a logical operation
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 many Commonwealth countries
Other uses
- Official Records of the American Civil War
- 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, the basis for releasing someone awaiting trial without bail
See also
- '0r' (zero r), meaning "no roods", in old measurements of land area
- And (disambiguation)
- OAR (disambiguation)
- Ore (disambiguation)
- Either/Or (disambiguation)
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