| Acronym | Definition |
|---|
| EER | Energy Efficiency Ratio |
| EER | Equal Error Rate (biometrics) |
| EER | Extended Entity-Relationship (Bellcore) |
| EER | Emerging Energy Research (alternative energy) |
| EER | Estimated Energy Requirement (Calories) |
| EER | Envelope Elimination and Restoration (power amplifiers) |
| EER | Experimental Event Rate |
| EER | Enhanced Entity Relationship (diagram; database design) |
| EER | Evolutionary Ecology Research |
| EER | Espace Européen de la Recherche (French: European Research Area; EU) |
| EER | Extended Eye Relief (handgun scopes) |
| EER | Escape, Evacuation and Rescue |
| EER | Extended Echo Ranging |
| EER | Enlisted Evaluation Report |
| EER | Excess Emission Report |
| EER | Evacuation, Escape and Rescue |
| EER | Electronic Electricity Repository |
| EER | Explosive Echo Ranging |
| EER | Excessive Error Rate |
| EER | Equine Exertional Rhabdomyolysis (horse disease) |
| EER | Electrical Equipment Rack |
| EER | Employee Expense Report (Sprint) |
| EER | Engineering and Economic Research |
| EER | External Engineering Review |
| EER | Endowment for Education and Research |
| EER | Engineering and Economics Research Systems |
| EER | Equipment Electrical Requirements |
| EER | Expanded Electrical Requirements |
| EER | Elevated Equipment Room (US military satellite communications) |
| EER | Evaluator Electronic Register |
| EER | Equipment Evaluation Report |
| EER | Extensive Energy Reserves |
| EER | Emerging Economic Region |
| EER | Ethernet Edge Router (Riverstone) |
| EER | Employee Evaluation Report (US State Department) |
| EER | Electronic Educational Resource |
| EER | Europese Economische Ruimte (Dutch: European Economic Area) |
| EER | Exposure, Epidemiology and Risk (various schools) |
| EER | Environmental Education Research (various organizations) |