- AEU stands for Australian Education Union
- AEU stands for American Ethical Union
- AEU stands for Association Européenne des Universités (French: European Association of Universities; est. 2001)
- AEU stands for Association d’Entraide Universitaire (French: University Service Association)
- AEU stands for Advanced European Union (gaming)
- AEU stands for Asociación Española de Urología (Spanish Urology Association)
- AEU stands for Amalgamated Engineering Union (UK)
- AEU stands for Assessment and Evaluation Unit (UK)
- AEU stands for Asociación de Estudiantes Universitarios (Association of University Students, Guatemala)
- AEU stands for Antenna Equipment Unit
- AEU stands for Asia e-University (Malaysia)
- AEU stands for Australian Emission Units (Australia)
- AEU stands for Assign Essential User Bypass (US DoD)
- AEU stands for Affected End User
- AEU stands for Analog Electronics Unit
- AEU stands for Airborne Electronics Unit
- AEU stands for Antenna Electronic(s) Unit
- AEU stands for Alpha Epsilon Upsilon
- AEU stands for Association Employees Union
- AEU stands for Auxiliary Electronics Unit
- AEU stands for Aeromedical Evacuation Unit
- AEU stands for Accrued Expenditure Unpaid
- AEU stands for Appropriate Economic Unit (for measuring gain or loss; US tax code)
- AEU stands for Avionics Equipment Unit
- AEU stands for Analytical Equivalency Unit
- AEU stands for Accrued Expenses Unpaid
- AEU stands for Accounts Expense Unpaid
- AEU stands for Application Extension Unit
AEU