- AEOS stands for American Eagle Outfitters Inc. (stock symbol)
- AEOS stands for Advanced Electro-Optical System (3.67 meter adaptive optical telescope on Maui)
- AEOS stands for Aeromedical Evacuation Operations Squadron (US DoD)
- AEOS stands for Automated Empirical Optimization of Software
- AEOS stands for Advanced Electro Optical Sensor
- AEOS stands for Analytic Equation of State
AEOS