Or

OR and/or or may stand for:

In logic, the or operator that captures some of the meaning of the English conjunction "or"; see Logical disjunction.
In electronics, the or operator is carried out by a 4071 IC
In computer programming, or can refer to both propositional and bitwise operators in various languages
In heraldry, Or is the tincture with the colour gold (or yellow). It is usually spelt with a capital letter to distinguish it from the conjunction.
In the Dungeons and Dragons World of Greyhawk campaign setting, OR is an abbreviation of Oeridian Record, or Oeridian Reckoning.
In Medicine an Operating Room.
Arkefly airline IATA code
Old Rugbeian, a former pupil of Rugby School.
Oregon, abbreviation for the US state.
Oristano, abbreviation for the Italian comune.
Oriya language (ISO 639 alpha-2, or).
In applied mathematics, OR is an abbreviation for Operations Research, or Operational Research, the use of mathematical models, statistics and algorithms to aid in decision-making.
In statistics OR is the abbreviation for odds ratio
In Olympic Games OR is the abbreviation for Olympic Record.
Owasco River Railroad (AAR reporting mark OR).
Outdoor Research, a manufacturer of sporting equipment is also referred to as OR.
Or (Afghanistan), a location in Afghanistan.
Or (Crimea), a region in Crimea.
Or, a London-based computer-music record label since 1998.
Or Music, a New York-based independent record label since ca. 2002 founded by a former Epic executive [link].
Optima Regal, Korean car built by Kia Motors.
Organic code in OR.
Official Receiver.

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