| Rank | Abbreviation | Meaning |
|---|
| ***** | FEST | Field Force Engineering Support Team
| |
| **** | FEST | foreign emergency support team; forward engineer support team
| |
| **** | FEST | Forward Engineer Support Team
| |
| **** | FEST | Foundation for Education, Science and Technology
| |
| **** | FEST | Faculdade de Educação Santa Terezinha
| |
| **** | FEST | for Elementary School Teachers
| |
| **** | FEST | Festival of English Speaking Theatre
| |
| *** | FEST | Far East Shipping & Trading
| |
| *** | FEST | Forschungsstätte der Evangelischen Studiengemeinschaft
| |
| *** | FEST | Fixtures for Easy Software Testing
| |
| *** | FEST | Fire and Emergency Services Technology
| |
| *** | FEST | Fiera Editoria Scientifica Trieste
| |
| *** | FEST | Field Epidemiological Survey Team
| |
| ** | FEST | Federation for Education Science and Technology
| |
| ** | FEST | Framework for European Services in Telemedicine
| |
| ** | FEST | Females in Engineering, Science and Technology
| |
| ** | FEST | finite element computer simulation technique
| |
| ** | FEST | Florida Etsy Street Team
| |
| ** | FEST | Foreign Emergency Support Team
| |
| ** | FEST | Folkestone English Soccer Tour
| |
| ** | FEST | finite element simulation techniques
| |
| ** | FEST | Frankfurt English Speaking Theatre
| |
| ** | FEST | Fosinopril Efficacy Safety Trial
| |
| * | FEST | Fronts Experiment Systems Test
| |
| * | FEST | Formazione Emergenza Sanitaria Torino
| |