| Acronym | Definition |
|---|
| FESA | Federal Endangered Species Act |
| FESA | Fire and Emergency Services Authority (Australia) |
| FESA | Further Education Society of Alberta (Alberta, Canada) |
| FESA | Federation of European Shogi Associations (est. 1985) |
| FESA | Frozen Embryo and Sperm Archive (UK) |
| FESA | Fédération des Entreprises Spécialisées de l'Automobile (French: Federation of Specialized Automobile Enterprises) |
| FESA | Fire and Emergency Services Administration (educational program) |
| FESA | Facilities Engineering Support Agency |
| FESA | Facilities Engineering Support Activity |
| FESA | Fédération Européenne des Syndicats Agrobiologistes (French: European Federation of Agrobiologist Trade Unions) |