| Acronym | Definition |
|---|
| FESP | Faculdade de Engenharia São Paulo (Portuguese: Sao Paulo School of Engineering; Brazil) |
| FESP | Fédération du Service aux Particuliers (French: Federation Service for Individuals) |
| FESP | Fédération des Entreprises de Services à la Personne (French: Federation of Enterprises in Personal Services) |
| FESP | Fluoroethyl Spiperone (pharmacology) |
| FESP | Facultté des Études Supérieures et Postdoctorales (French: Faculty of Graduate and Postdoctoral Studies; Canada) |
| FESP | Featured Export Service Provider (US Commercial Service) |