| Acronym | Definition |
|---|
| EFA | Essential Fatty Acid |
| EFA | Education for All |
| EFA | Elektronische Fahrplanauskunft (German) |
| EFA | Equestrian Federation of Australia |
| EFA | European Free Alliance |
| EFA | European Film Awards |
| EFA | Exploratory Factor Analysis |
| EFA | Electronic Frontiers Australia Inc. |
| EFA | Epilepsy Foundation of America |
| EFA | Editorial Freelancers Association |
| EFA | European Fighter Aircraft |
| EFA | European Finance Association |
| EFA | École Française d'Athènes (French: French School of Athens; Athens, Greece) |
| EFA | Egyptian Football Association |
| EFA | Estimated Financial Assistance |
| EFA | Educational Foundation of America |
| EFA | Engineering Field Activity (SPAWAR) |
| EFA | European Federation of Asthma and Allergy Associations |
| EFA | European Fundraising Association |
| EFA | European Federation of Allergy and Airway Diseases Patients Association (Brussels, Belgium) |
| EFA | Extended File Attribute |
| EFA | Environmental Foundation for Africa |
| EFA | Ecological Farming Association |
| EFA | Expedited Funds Availability Act |
| EFA | English Football Association |
| EFA | Engineering Failure Analysis |
| EFA | Edited For Accuracy |
| EFA | End-Fire Array |
| EFA | Everglades Forever Act of 1994 |
| EFA | Experiment Flight Applications |
| EFA | External Function Acknowledge |
| EFA | Electrodiagnostic Functional Assessment |
| EFA | Early Flank Alarm |
| EFA | Environment in Focus Association |
| EFA | Engineering Flight Activity |
| EFA | Escuela Formativa Ágape (Guatemala school) |
| EFA | Event Frequency Analysis |
| EFA | Elizabeth Foundation for the Arts (New York, NY) |
| EFA | Economics, Finance, Accounting (course; various schools) |
| EFA | Ecological Footprint Analysis (natural resource measurement) |
| EFA | Elmira Free Academy (Elmira, NY) |
| EFA | Emergency First Aid (health care; various locations) |