Editing RI

{{wiktionary|RI|R.I.|ri|ri-}}
{{wiktionary|rí|rì|rî|-ri}}
'''RI''' or '''ri''' may refer to:
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==People==
* [[Lee (Korean surname)|Ri]], a common Korean surname, a variant romanization of Lee
* ''[[Rí]]'' (rig), an ancient Gaelic word meaning "king"
* [[Ri (pronoun)]], a gender-neutral pronoun in Esperanto
*''RI'', an initialism of ''[[Rex Imperator]]'' (king-emperor) or ''Regina Imperatrix'' (queen-empress), used by those British monarchs who were rulers of both the United Kingdom and the Indian Empire

==Places==
* ''[[Ri (administrative division)]]'', an administrative unit in both North Korea and South Korea
* [[Ri, Orne]], a commune of the Orne ''département'' in France
* RI, abbreviation of either the Republic of [[Indonesia]] or, in the Indonesian language, ''Republik Indonesia''
* [[Rhode Island]], a state within the US (postal abbreviation RI)

==Arts and media==
* Ri, an augmented second in [[Solfege#Variations|solfege]], used in music education
* Ri, a representation of the second ''[[svara]]'' in Indian classical music
* [[Russia Insider]], a pro-Kremlin news and propaganda website

==Businesses and organizations==
* [[Raffles Institution]], a school in Singapore
* [[Refugees International]], an international humanitarian organization
* [[Rehabilitation International]], an international disability rights organization
* [[Rotary International]], international organization of business and professional leaders focused on non-political and non-sectarian humanitarian service
* [[Royal Institution]] of Great Britain, an organisation devoted to scientific education and research
* [[Royal Institute of Painters in Water Colours]], a society in the Federation of British Artists
* [[Chicago, Rock Island and Pacific Railroad]] (reporting mark RI)
* [[Tigerair Mandala]] (IATA airline designator RI)
* [[Italian Radicals]], a political party in Italy

==Science, technology, and mathematics==
* [[Ri (prefix symbol)]], a binary unit prefix symbol
* [[Referential integrity]], a database concept
* [[Refractive index]] of an optical medium (in physics/optics) is a number that describes how light propagates through that medium
* [[Arterial resistivity index]], a measure of pulsatile blood flow
* [[Ring Indicator]], a signal in the RS232 serial communications standard
* [[Rhombicosahedron]], a polyhedron, by Bowers acronym
* [[Residual income]], a financial profitability measure of a company
* [[Reputation Institute]], a research and insights company that analyzes the reputation of corporations and places
* [[Rapid intensification]], a phenomenon in which the wind speed of a tropical cyclone increases dramatically in a short period of time
* [[Research infrastructure]], national or international infrastructure open to scientists (e.g. CERN)
* [[Research institute]], an establishment founded for doing research

==Other uses==
* [[Ri (cuneiform)]], a cuneiform sign
* [[Ri (kana)]], a Romanization of the Japanese kana り and リ
* ''[[Li (unit)#Ri in Japan and Korea|Ri]]'', a unit of measurement in Japan and Korea related to the Chinese ''li''
*[[Rock Island District]], a commuter rail line on Chicago's Metra (abbreviated as RI on maps and schedules)

==See also==
{{canned search|ri}}
*{{intitle|ris}}
*{{intitle|ri}}
*[[Isaac ben Samuel]], known as the Ri ha-Zaken, a 12th-century French tosafist and Biblical commentator
*[[Riri (disambiguation)]]
*[[Ris (disambiguation)]]
*[[IR (disambiguation)]]

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