EFNA
| Acronym | Definition |
|---|---|
| EFNA | European Federation of Neurological Associations |
| EFNA | Emergency Food Needs Assessment (UN World Food Programme) |
| EFNA | Economic Freedom of North America (index; Fraser Institute; Canada and US) |
| EFNA | Evans Farm Neighborhood Association (UK) |
| EFNA | European Forest Nursery Association (est. 1962) |
| EFNA | Epididymal Fine Needle Aspiration (cytology) |