Or

Or or OR may refer to:

Arts and entertainment

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)

Or (digraph), in the Uzbek alphabet
Or (letter) (or forfeda), in Ogham, the Celtic tree alphabet
Odia language, a language spoken in East India (ISO 639)
Or, an English grammatical conjunction
-or, an English agent noun suffix
Or, a digraph in Taiwanese's DaÃÂ«-ghÃÂ® tÃÂng-iÃÂng pÃÂ«ng-im phonetic transcription

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
ObjectÃ¢ÂÂrelational mapping

Official receiver, a statutory office holder in England and Wales
Order of Roraima of Guyana, an award of the Republic of Guyana
Other ranks, personnel who are not commissioned officers, usually including non-commissioned officers (NCOs), in militaries of many Commonwealth countries