The initialism IES may refer to:

Government organizations

Indian Education Service The Indian Education Service or Indian Educational Service (IES) formed part of the British Raj between 1896 and 1924, when overseas recruitment ceased. It was an administrative organisation running educational establishments in British India, larg ...

, in British India *

Institute for Environment and Sustainability The Institute for Environment and Sustainability (IES) used to be a specialised institute of the Joint Research Centre (JRC) directorate of the European Commission, based in Ispra, Italy. Its mission was to provide scientific and technical support ...

of the European Commission *

Institute of Education Sciences The Institute of Education Sciences (IES) is the independent, non-partisan statistics, research, and evaluation arm of the U.S. Department of Education. IES' stated mission is to provide scientific evidence on which to ground education practice ...

of the U.S. Department of Education

Non-profit organizations

Institute for the International Education of Students The Institute for the International Education of Students, or IES Abroad, is a non-profit study abroad organization that administers study abroad programs for U.S. college-aged students. Founded in 1950 as the Institute of European Studies, the ...

Illuminating Engineering Society The Illuminating Engineering Society (IES), formerly the Illuminating Engineering Society of North America (IESNA), is an industry-backed, not-for-profit, learned society that was founded in New York City on January 10, 1906. The IES's stated m ...

* International Enterprise Singapore * International Society of Endocrinology * Israel Endocrine Society *

Israel Exploration Society The Israel Exploration Society (''IES'') (Hebrew:החברה לחקירת ארץ ישראל ועתיקותיה - Hakhevra Lekhakirat Eretz Yisrael Va'atikoteha), originally the Jewish Palestine Exploration Society, is a society devoted to historic ...

* Institution of Environmental Sciences

Companies

* IES Ltd (Integrated Export Systems), a transportation software company * Integrated Electrical Services *

Internationella Engelska Skolan Internationella Engelska Skolan (IES), or the International English School, is a Swedish corporation which operates independent schools (or “free schools”). IES was founded in 1993 by the American teacher Barbara Bergström who moved to Sweden ...

Other

Indian Engineering Services The Engineering Services Examination (ESE) is conducted by the Union Public Service Commission (UPSC) to recruit officers for the services which cater to the technical functions of the Government of India. It is a three-stage competitive examin ...

* Integrated Encryption Scheme, in cryptography, a public key cryptosystem * Intertemporal elasticity of substitution {{Disambiguation