AES most often refers to:
- Advanced Encryption Standard, or Rijndael, a specification for the encryption of electronic data
- Advanced Encryption Standard process, the process used in choosing an algorithm for standardization as AES
- AES instruction set, an x86 microprocessor architecture addition improving Advanced Encryption Standard implementation
AES may also refer to:
Aviation
- IATA airport code for Ålesund Airport, Vigra in Møre og Romsdal County, Norway
Businesses and organizations
Companies
- AES Andes, formerly AES Gener, a Chilean electricity company
- AES Corporation, an American electricity company
- AES Data, former owner of Daisy Systems Holland
- AES Eletropaulo, a former Brazilian electricity company
- AES Hawaii, an American electricity company
- American Education Services, part of the Pennsylvania Higher Education Assistance Agency
- Asian Educational Services, an Indian publisher
Schools
- Academy of Environmental Science, in Crystal River, Florida, U.S.
- AES Algiers, in Algeria
- American Embassy School, in New Delhi, India
- Ascension Episcopal School, in Louisiana, U.S.
- Assumption English School, in Bukit Panjang, Singapore
- Ayden Elementary School, school in Ayden, North Carolina
Other organizations
- Academic Evaluation Services, a global organization that provides evaluations of foreign academic credential and translation services
- AES Electrophoresis Society, a non-profit, international organization founded to advance and promote electric field-mediated separations, manipulations, and related phenomena
- AES Group, now AES+F, a Russian artist collective
- Amateur Entomologists' Society, a British organisation
- American Elasmobranch Society, a professional society
- American Epilepsy Society, an American professional society for epilepsy
- Association of European Sommeliers, a non-profit organization to promote the profession of sommelier in Europe
- Audio Engineering Society, an American professional society
Science and technology
- Acoustic echo suppression, in telephony
- Advanced electronic signature, an EU-compliant electronic signature system (alternatively AdES)
- AES (Advanced Entertainment System), a version of the Neo Geo
- Agricultural experiment station, a scientific research center
- Algebraic entry system, a calculator input method
- Alkaline earth silicate, a mineral wool
- Application Environment Services, a component of GEM (desktop environment)
- Atomic emission spectroscopy, a method of chemical analysis
- Auger electron spectroscopy, in surface chemistry and materials science
- Automated Enforcement System, a road safety enforcement system in Malaysia
- Automated essay scoring, the use of computers to assign grades
- Automated Export System, an American exports information system
- Automatic Extinguishing System, in other words automatic fire suppression or sprinklers
Other uses
- Actually existing socialism, a catchphrase coined by Leonid Brezhnev to refer to Soviet-style economic planning
- "Aes", a 1999 song by Skepticism
- AES Railcar, a Chilean railcar
- Alliance of Sahel States (French: l'Alliance des États du Sahel), an intergovernmental military alliance between Mali, Niger and Burkina Faso
- Alsea language, ISO 639-3 code aes
- Alternative Economic Strategy, an economic strategy proposed in the 1970s by British politician Tony Benn
- Hainai, a Native American tribe sometimes also called the Aes
- Aes, sometime called As, A’s, is a plural form of A