FESB
| Acronym | Definition |
|---|---|
| FESB | Fakultet Elektrotehnike, Strojarstva i Brodogradnje (Croatian: Faculty of Electrical Engineering, Mechanical Engineering and Shipbuilding; University of Split) |
| FESB | Freie Evangelische Schulen Berlin (German: Berlin Free Evangelical Schools; Berlin, Germany) |
| FESB | Fiorano Enterprise Service Bus (middleware infrastructure platform) |