IAS may refer to:

Science

* Institute for Advanced Study, in Princeton, New Jersey, United States *

Image Analysis & Stereology ''Image Analysis & Stereology'' (IAS) formerly ''Acta Stereologica'', is a triannual peer-reviewed scientific journal published by an independent not-for-profit publisher DSKAS. It is the official journal of the International Society for Stereolog ...

, the official journal of the International Society for Stereology & Image Analysis. *

Iowa Archeological Society The Iowa Archeological Society is an organization of academic, professional, and amateur archaeologists. It promotes education about Iowa's cultural past, conducts excavations, and encourages ethical collection and recording of archaeological sites ...

, United States *

Iranian Arachnological Society The Iranian Arachnological Society (IAS) was founded in 2010 as an academic society for amateur and professional arachnologists and individuals interested in Arachnids (including spiders, scorpions, harvestmen, ticks, mites and Solifugae) in order ...

, for the study of arachnids in Iran *

International AIDS Society The International AIDS Society (IAS) is the world's largest association of HIV/AIDS professionals, with 11,600 members from over 170 countries , including clinicians, people living with HIV, service providers, policy makers and others. It aims to r ...

, an association of HIV/AIDS professionals *

Institute of Agricultural Sciences, Banaras Hindu University Institute of Agricultural Sciences, Banaras Hindu University (IAS-BHU, IAS) is one of India's premier agricultural colleges located in Varanasi in Uttar Pradesh state. It is one of the three institutes of the Banaras Hindu University. History I ...

, in India *

Institute for Advanced Study at University of Minnesota The University of Minnesota, formally the University of Minnesota, Twin Cities, (UMN Twin Cities, the U of M, or Minnesota) is a public land-grant research university in the Twin Cities of Minneapolis and Saint Paul, Minnesota, United States. T ...

in Minneapolis, Minnesota *

Institute of Advanced Study (Durham) The Institute of Advanced Study (IAS) is an interdisciplinary research centre of Durham University. The IAS - set up to mark Durham's 175th anniversary - is intended to attract scholars and public figures from across the world to collaborate on ...

in Durham, North East England * IEEE Industry Applications Society

Government

Indian Administrative Service The Indian Administrative Service (IAS) is the administrative arm of the All India Services of Government of India. Considered the premier civil service of India, the IAS is one of the three arms of the All India Services along with the India ...

, the Indian administrative civil service

Finance

* International Accounting Standards *

Internal Audit Service (European Commission) The Internal Audit Service or IAS is a Directorate-General (DG) of the European Commission that was established in 2001 to provide an increased accountability of the Commission. The Commissioner responsible for the IAS is Frans Timmermans First Vi ...

Investment Analysts Society of Southern Africa The Investment Analyst's Society of Southern Africa (IAS, IASSA) is the liaison body for the financial analyst profession in South Africa. It is based in Johannesburg South Africa, with members from Cape Town, Durban and throughout the region. Mem ...

* various numbered International Financial Reporting Standards

Religion

International Association of Scientologists Scientology is a set of beliefs and practices invented by American author L. Ron Hubbard, and an associated movement. It has been variously defined as a cult, a Scientology as a business, business, or a new religious movement. The most recent ...

International Association of Sufism International Association of Sufism (IAS) is a California nonprofit organization headquartered in Marin County. It is a United Nations' NGO/ DPI and the first organization established to organize an inclusive forum that opens a line of communic ...

Politics

Institute for Anarchist Studies The Institute for Anarchist Studies (IAS) is a non-profit organization founded by Chuck W. Morse in 1996, following the anarcho-communist school of thought, to assist anarchist writers and further develop theoretical aspects of the anarchist move ...

Izquierda Asturiana Izquierda Asturiana (IAS; en, Asturian Left) is an Asturian nationalist leftist political party of Asturias, Spain. History Izquierda Asturiana was founded in 1992 by former members of the Unidá Nacionalista Asturiana. In the European Parlia ...

, a political party in Spain * Immunisation Awareness Society, a New Zealand anti-vaccination group * International Aviation and Shipping emissions, specifically

greenhouse gas emissions Greenhouse gas emissions from human activities strengthen the greenhouse effect, contributing to climate change. Most is carbon dioxide from burning fossil fuels: coal, oil, and natural gas. The largest emitters include coal in China and lar ...

arising from those

sectors Sector may refer to: Places * Sector, West Virginia, U.S. Geometry * Circular sector, the portion of a disc enclosed by two radii and a circular arc * Hyperbolic sector, a region enclosed by two radii and a hyperbolic arc * Spherical sector, a po ...

(the term also used in the United Kingdom

Climate Change Act 2008 The Climate Change Act 2008 (c 27) is an Act of the Parliament of the United Kingdom. The Act makes it the duty of the Secretary of State to ensure that the net UK carbon account for all six Kyoto greenhouse gases for the year 2050 is at l ...

)

Aeronautics

Indicated airspeed Indicated airspeed (IAS) is the airspeed of an aircraft as measured by its pitot-static system and displayed by the airspeed indicator (ASI). This is the pilots' primary airspeed reference. This value is not corrected for installation error, in ...

Institute of Aerospace Sciences The American Institute of Aeronautics and Astronautics (AIAA) is a professional society for the field of aerospace engineering. The AIAA is the U.S. representative on the International Astronautical Federation and the International Council of t ...

, in the United States *

Institut aéronautique et spatial Institut aéronautique et spatial (IAS) is the French aeronautical industry's education coordinator. IAS was created in 1980 and is located in Toulouse. It is directly under the supervision of GIFAS (French Aerospace Industries Association) intern ...

, in France *

Iași International Airport Iași International Airport is an international airport located in Iași, Romania, east of the city centre. One of the oldest accredited airports in Romania and the most important airport in the historical region of Moldavia, Iași Airport was i ...

, IATA designation for the airport in Iași, Romania *

IAS Cargo Airlines International Aviation Services Limited, trading as IAS Cargo Airlines from 1975, is a defunct wholly privately owned, independentindependent from government-owned corporations British airline that was based at London Gatwick Airport in the Un ...

, a British airline

Computing

* IAS machine, the first electronic computer built at the Institute for Advanced Study * Interactive Application System, a DEC PDP-11 operating system * Internet Application Server, alternate name for

Oracle Application Server The Oracle Application Server 10g (the "g" stands for '' grid'') (short Oracle AS), consists of an integrated, standards-based software platform. It forms part of Oracle Corporation's Fusion Middleware technology stack. The heart of Oracle Appli ...

Internet Authentication Service Internet Authentication Service (IAS) is a component of Windows Server operating systems that provides centralized user authentication, authorization and accounting. Overview While Routing and Remote Access Service (RRAS) security is sufficient ...

, a component of Windows Server

Other uses

Instituto Ayrton Senna The Instituto Ayrton Senna (English: Ayrton Senna Institute; abbreviated IAS) is a Brazilian non-governmental organization, intended to help create opportunities for human development to young Brazilians in cooperation with businesses, governmen ...

, an NGO in Brasil * Insulin autoimmune syndrome, a rare cause of reversible autoimmune hypoglycemia * International American School of Warsaw, a preK–12 school in Poland * International Automated Systems, an American company * IAS Limited an Australian-based gambling company * Internal anal sphincter, human anatomy