| EFM | Ecotrust Forest Management 
| Others |
| EFM | Edge Flow Manager
| Others |
| EFM | Edmonds Family Medicine
| Others |
| EFM | Education For Ministry
| Others |
| EFM | Eight to Fourteen Modulation
| Others |
| EFM | Eight-to-Fourteen Modulation
| Others |
| EFM | Electric Field Monitor
| Others |
| EFM | Electric Folding Mirrors
| Others |
| EFM | Electric Force Microscopy
| Others |
| EFM | Electric Force Motor
| Others |
| EFM | Electrode Fetal Monitor
| Others |
| EFM | Electronic Fetal Monitoring
| Others |
| EFM | Electronic Flow Measurement
| Others |
| EFM | Electronic Fuel Management
| Others |
| EFM | Electronic Fuel Metering
| Others |
| EFM | Electrostatic Force Microscopy
| Others |
| EFM | Emanuela Frattini Magnusson
| Others |
| EFM | Emergency Financial Manager
| Others |
| EFM | Employ Florida Marketplace
| Others |
| EFM | Empowering Families of Milwaukee
| Others |
| EFM | Energy From the Mechanical
| Others |
| EFM | Energy-Friendly Microcontroller
| Others |
| EFM | Engineered Fiber Matrix
| Others |
| EFM | Engineering Fracture Mechanics
| Others |
| EFM | Enterprise Fax Manager
| Others |
| EFM | Enterprise Feedback Management
| Others |
| EFM | Enterprise Fleet Management
| Others |
| EFM | Environmental Fluid Mechanics
| Others |
| EFM | Epilepsy Foundation of Michigan
| Others |
| EFM | Escape From Martyrdom
| Others |
| EFM | Ethernet First Mile
| Others |
| EFM | Ethernet in First Mile
| Others |
| EFM | Ethernet in the first mile
| Others |
| EFM | European Film Market
| Others |
| EFM | Evangelical Friends Mission
| Others |
| EFM | Evangelistic Faith
| Others |
| EFM | Evangelistic Faith Missions
| Others |
| EFM | Executive Functions Management
| Others |
| EFM | Expenditure Flow Model
| Others |
| EFM | Experiences For Mankind
| Others |
| EFM | External Feature Model
| Others |
| EFM | Extramural Fund Management
| Others |
| EFM | Extreme Faith Mentality
| Others |