ISG
# ISG

ISG may refer to:

## Academics

* Information Security Group, academic information security group in Royal Holloway, University of London
* Indian School, Al-Ghubra, a K-12 school in Muscat, Oman
* International School of Geneva, an international school in Geneva, Switzerland
* International School in Genoa, an international school in Genoa, Italy
* International School Groningen, an international school in Haren, Netherlands
* ISG Business School, a business school in Paris, France

## Organisations

* Idaho State Guard, active during World War II
* Independent Senators Group, a Canadian Senate parliamentary group
* Interactive Support Group, a defunct CD-I development company
* International Steel Group, a steel company headquartered in Cleveland, Ohio
* Interserve Group, a UK construction company
* Iowa State Guard, active during World War II
* ISG Ltd, a UK construction company

## Transportation

* Integrated Starter-Generator, part of an automotive start-stop system
* New Ishigaki Airport (IATA airport code) on Ishigaki Island, Okinawa, Japan

## Other uses

* In situ gasification, a process in underground coal gasification (UCG)
* Instruction Stream Generator, also called random test generator
* Interferon-stimulated genes, a varied group of genes that are switched on by interferon to tackle viral infection
* International Socialist Group, a Trotskyist group and British section of the Fourth International between 1987 and 2009
* Iraq Study Group, a 2006 congressionally appointed panel charged with assessing the situation in Iraq, also known as the Baker-Hamilton Commission
* Iraq Survey Group, the 2003–2005 investigative mission in the Iraqi WMD search program that produced the Duelfer Report
* Irish Sign Language (ISO 639 code isg)
