AOE
- AEO (disambiguation)
- ATA over Ethernet
- Acute otitis externa
- Age of Empires
- Airport of entry
- Alberta Order of Excellence
- Alpha Omega Epsilon
- American Orient Express
- Anywhere on Earth
- Area of effect
- Assembly of Experts
- Audio over Ethernet
- Axis of evil
- European Train Control System
- List of ITU letter codes
- List of United States Navy oilers