| F&ES | Fire and Emergency Services 
| Others |
| FES | Factor Evaluation System
| Others |
| FES | Family Empowerment Scholarship
| Others |
| FES | Family Engagement Specialist
| Others |
| FES | Farley Elementary School
| Others |
| FES | Fast Ethernet Switch
| Others |
| FES | Fast, Easy, and Simple
| Others |
| FES | Fayetteville Elementary School
| Others |
| FES | Ferdinand Everts Sohn
| Others |
| FES | Festus City Airport, Festus City Airport, Missouri USA
| Others |
| FES | Fiat Ecu Scan
| Others |
| FES | Field Emission Spectroscopy
| Others |
| FES | Financial Education Services
| Others |
| FES | Financial Enterprise Solution
| Others |
| FES | First Energy Solutions
| Others |
| FES | First Excited State
| Others |
| FES | Fixed Earth Station
| Others |
| FES | Flash Evaporator System
| Others |
| FES | Flat Earth Society
| Others |
| FES | Fleet Electronic Support
| Others |
| FES | Flexible Education System
| Others |
| FES | Flextronics Enclosure Systems
| Others |
| FES | Flight Element Set
| Others |
| FES | Florida Engineering Society
| Others |
| FES | Flow Equivalent Server
| Others |
| FES | Flower Essence Services
| Others |
| FES | Flower Essence Society
| Others |
| FES | Fluently English Speaking
| Others |
| FES | Fluid Experiment System
| Others |
| FES | Focus Error Signal
| Others |
| FES | Folder Error Summary
| Others |
| FES | Follett Educational Services
| Others |
| FES | Fonds Economische Structuurversterking
| Others |
| FES | For Embedded Systems
| Others |
| FES | Ford Festiva
| Others |
| FES | Foreign Elite Soldier
| Others |
| FES | Foreign Exchange Stud
| Others |
| FES | Foreign Exchange Student
| Others |
| FES | Forestry & Environmental Studies
| Others |
| FES | Foriegn Exchange Student
| Others |
| FES | Foundation for Educational Services
| Others |
| FES | Franconia Elementary School
| Others |
| FES | Fred Evans Special
| Others |
| FES | Friedrich Ebert Stiftung
| Others |
| FES | Front Electric Sustainer
| Others |
| FES | Front End Server
| Others |
| FES | Front End Specialists
| Others |
| FES | Fuel Economy Standard
| Others |
| FES | Fuel Evaporation System
| Others |
| FES | Fugen's Educational System
| Others |
| FES | Functional Electric Stimulation
| Others |
| FES | Functional Electrical Stimulation
| Others |
| FES | Fundamentals of
| Others |
| FES | Fundamentals of Endoscopic Surgery
| Others |
| FES | Fundamentals of Endoscopic SurgeryTM
| Others |
| FES | Further Enterprise Solutions
| Others |
| FES | Fusion Energy Sciences
| Others |
| FES | Future Energy Solutions
| Others |