| Acronym | Definition |
|---|
| FEMS➣Fire and Emergency Services (Washington, DC) |
| FEMS➣Federation of European Microbiological Societies |
| FEMS➣Fédération des Écomusées et des Musées de Société (French museum association) |
| FEMS➣Fédération Européenne des Médecins Salariés (French: European Federation of Salaried Doctors; Belgium) |
| FEMS➣Federation of European Materials Societies |
| FEMS➣Fire Emergency Medical Services (Washington, DC) |
| FEMS➣Florida Electroacoustic Music Studio (University of Florida) |
| FEMS➣Fellow of the Minerals Engineering Society |
| FEMS➣Facility Equipment Maintenance System (PMEL/TMDE) |
| FEMS➣Fatigue and Engine Monitoring System (US Navy) |
| FEMS➣Fabrication Engineering Management System |
| FEMS➣Finite Ergodic Markov Source |