IAS

IAS may stand for
*Insolvency Advisory Service LLP
*Illawarra Astronomical Society
*Indian Academy of Sciences
*Indian Administrative Service
*Indicated airspeed
*Ideal Adsorbed Solution, thermodynamic theory of adsorption of Minka and Myers
*Individual Assignment System (New York Supreme Court)
*International Accounting Standards
*International Adsorption Society
*International Affairs Specialist United States Air Force Officer Program emphasizing international understanding, cultural expertise, and adaptive language skills
*International AIDS Society, an organization of physicians, scientists, and public health workers who treat HIV/AIDS
*International Atherosclerosis Society
*Interpersonal Adjectives Scale
*Institute for Advanced Study
** The IAS computer built at the Institute for Advanced Study
*Institute of African Studies (University of Bayreuth)
*Institute for Anarchist Studies
* [http://www.ias.unu.edu/ Institute of Advanced Studies of the United Nations University (UNU-IAS)]
*Institute of the Aeronautical Sciences
*Interocean American Shipping
*International Association of Scientologists
*International Association of Sedimentologists
*Interactive Application System, a variant of the RSX-11 operating system
*Internet Authentication Service
*Internet Application Server an application server from Oracle Corporation
*Intelligent Application Switch
*Intelligence and Analysis Service, Japan's intelligence agency
*Integrated Anti-Swimmer System, an ultrasound system to detect submerged divers
*IAS Internet Slang- An expression used over internet to show amusement
*Islamic World Academy of Sciences, an organization promoting science and technology in the Muslim World
*Iaşi International Airport in Iaşi, Romania, designated by IATA airport code IAS