- AEFA stands for American Express Financial Advisors
- AEFA stands for American Education Finance Association (Evergreen, CO)
- AEFA stands for Asociación Española de Farmacéuticos Analistas
- AEFA stands for Association des Écoles Françaises en Amérique du Nord (French: Association of French Schools in North America)
- AEFA stands for Average Emission Factor Approach
- AEFA stands for Fleet Replenishment Ship (Royal Navy)
- AEFA stands for Advanced Engineering Flight Activity
AEFA