IGR may refer to:
*
Iguazu International Airport serving Puerto Iguazú and the nearby falls
*
IGR Iwate Ginga Railway
The is a railway line in Japan operated by the " third sector" publicly and privately owned operator Iwate Galaxy Railway Company. It connects Morioka Station in Morioka, Iwate to Metoki Station in Sannohe, Aomori.
Formerly part of the East Ja ...
in Iwate Prefecture, Japan
*
Imperial Japanese Government Railways
The Japanese Government Railways (JGR) was the national railway system directly operated by the Japanese Ministry of Railways ( ja, 鉄道省, Tetsudō-shō, ) until 1949. It was a predecessor of Japanese National Railways and the later Japan Rai ...
(or, domestically, Imperial Government Railways) of early 20th century Japan
*
Indiana Guard Reserve
The Indiana Guard Reserve (INGR), formerly the Liberty Guard and the Indiana Legion, is the state defense force of the state of Indiana. The Indiana Guard Reserve serves under the exclusive authority of the governor of the State of Indiana throug ...
, the state defense force of Indiana
*
International Gay Rugby
International Gay Rugby (IGR), formerly known as the International Gay Rugby Association and Board (IGRAB), is the umbrella organisation for the world's gay and inclusive rugby clubs. Based in London, UK, IGR is recognised by World Rugby as the ...
*
Insect growth regulator, a chemical that disrupts the growth and/or development of insects
* The
Interessengemeinschaft für Rundfunkschutzrechte The Interessengemeinschaft für Rundfunkschutzrechte GmbH Schutzrechtsverwertung & Co. KG. ("IGR GmbH") is a patent holding company
A patent holding company (PHC) exists to hold patents on behalf of one or more other companies but does not necessar ...
(IGR), a broadcasting "IP" rights interest group
**
IGR Stereo, a German standard for analogue TV stereo audio transmission claimed by the above organization.
*
Intergenic region
An intergenic region is a stretch of DNA sequences located between genes. Intergenic regions may contain functional elements and junk DNA. ''Inter''genic regions should not be confused with ''intra''genic regions (or introns), which are non-cod ...
* Integral Gamma-Ray source, a catalog based on observations by the
INTEGRAL
In mathematics, an integral assigns numbers to functions in a way that describes displacement, area, volume, and other concepts that arise by combining infinitesimal data. The process of finding integrals is called integration. Along wit ...
telescope
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