Editing IR

'''IR''' or '''Ir''' may refer to:
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==Arts and media==
* [[Ir (newspaper)]], Latvian weekly newspaper
* ''[[Imperator: Rome]]'', a 2019 video game published by Paradox Interactive
* [[Integrated resort]], a euphemism for a casino in Singapore
* [[International Relations (journal)|''International Relations'' (journal)]], an academic journal
* I.R. Baboon, a fictional character in the cartoon series ''[[I Am Weasel]]''

==Businesses and organizations==
===Transportation===
* [[Iarnród Éireann]] (Irish Rail), national passenger and freight railway system of the Republic of Ireland
* [[Illinois Railway]], US
* [[Indian Railways]], state-owned railway company of India
* [[InterRegio]], part of Swiss Federal Railways
* [[IR Ishikawa Railway]], local railway company in Ishikawa, Japan
* [[Iran Air]] (IATA airline code IR)
* [[Israel Railways]], state-owned railway company of Israel

===Other businesses and organizations===
* [[Ingersoll Rand]] (NYSE trading symbol IR)
* [[International Rectifier]], a former manufacturer of power semiconductors
* [[Independent-Republican Party of Minnesota]], former name of the Republican Party of Minnesota

==Finance==
*[[Incidence rate (market research)]]
*[[Interest rate]], or (when referring to an asset class) interest rate derivative
* [[Information ratio]], when referring to risk-adjusted returns of a financial security
* [[Investor relations]], a management responsibility in which companies disclose information for regulatory compliance and for bond/share-holders to make investment judgments

==Language==
* [[Ir (cuneiform)]], a sign in cuneiform writing 
* Ir language, also known as [[Ta'Oi language]], spoken in parts of Laos and Vietnam
* [[Istro-Romanian language]]

==Places==
* [[Indian Reserve]], a section of land in Canada that is controlled by an Indigenous band government
* [[Iran]], by ISO country code

==Science and technology==
===Biology and medicine===
* Immediate-release, related to [[time release technology]] in pharmaceuticals
* [[Incidence Rate]], in epidemiology
* [[Insulin receptor]], a transmembrane receptor that is activated by insulin
* [[Insulin resistance]], a pathological condition
* [[Interventional radiology]] and interventional radiologist, an independent medical specialty
* [[Inverted repeat]], a sequence of nucleotides that is the reversed complement of another sequence further downstream

===Computing===
* [[.ir]], the Internet country code top-level domain for Iran
* [[Adobe ImageReady]], a bitmap graphics editor shipped with Adobe Photoshop by Adobe Systems
* [[Image retention]], the LCD and plasma display equivalent of screen burn
* [[Information retrieval]], the science of searching for information in or as documents or databases
* [[Information revolution]], one of the theoretical frameworks within which trends in current society can be conceptualized
* [[Institutional repository]], a digital collection for preserving the intellectual output of an institution
* [[Institutional research]], the collection, analysis, and reporting of institutional data
* [[Instruction register]], part of a CPU's control unit
* [[Intermediate representation]], a computer data structure
* [[Internal router]]

===Other uses in science and technology===
* [[Imaginary number]]s, in mathematics, denoted <math>\text{i}\mathbb{R}</math> or {{math|i'''R'''}} 
* [[Infrared]], a portion of the electromagnetic radiation spectrum
* [[Impulse response]], an output function of a dynamic system presented with a brief input signal
* [[Portable appliance testing#Insulation resistance test|Insulation resistance]], a measure of insulation material performance
* [[Ionizing radiation]]
* [[Iridium]], symbol Ir, a chemical element

==Other uses==
* [[Imperial–royal]], abbreviation applied to institutions of the Austrian Empire
* [[Industrial relations]], relations between management and workers in industry
* [[Ingenieur]], abbreviated ''ir.'', an engineer's degree awarded by technical universities in the Netherlands, Belgium, Indonesia, and Malaysia
* [[Injured reserve list]], a list of professional sports players who are injured and unable to play for an extended time
* [[International relations]], in political science, the study of foreign affairs of and relations among states
* [[International rules football]] a hybrid code of football

==See also==
* [[Real number|<math>\mathbb{R}</math>]], the symbol of the set of real numbers in mathematics
* [[Inland Revenue Department (disambiguation)]], a government revenue service in several countries
* [[International Rescue (disambiguation)]]
* [[IRS (disambiguation)]]

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