- AES stands for Advanced Encryption Standard
- AES stands for Audio Engineering Society
- AES stands for Agricultural Experiment Station
- AES stands for Automated Export System (US Customs)
- AES stands for American Epilepsy Society (West Hartford, Connecticut)
- AES stands for Administration Economique et Sociale (French: Economic and Social Administration; various universities)
- AES stands for Advanced Engineering Solutions (various locations)
- AES stands for Auger Electron Spectroscopy
- AES stands for Agricultural and Environmental Sciences (various schools)
- AES stands for Atomic Emission Spectroscopy
- AES stands for American Energy Services (Laytonsville, MD)
- AES stands for Annual Employee Survey (various organizations)
- AES stands for Académie d’Education et d’Etudes Sociales (French: Academy of Education and Social Studies)
- AES stands for Advanced Electronic Signature
- AES stands for Accident Exposant au Sang (French: Accidental Blood Exposure)
- AES stands for Application Enablement Services (Avaya)