EFSN
| Acronym | Definition |
|---|---|
| EFSN | European Fire Sprinkler Network (UK) |
| EFSN | Explorations Fonctionnelles du Système Nerveux (French: Functional Exploration of the Nervous System) |
| EFSN | Encyclopedia of Food Sciences and Nutrition |
| EFSN | Educational Foundation Support Network (various locations) |