| FFS | Amiga Fast File System 
| Others |
| FFS | Facial Feminization surgery
| Others |
| FFS | Facial Feminizing Surgery
| Others |
| FFS | Failover File System
| Others |
| FFS | Failure Free Survival
| Others |
| FFS | Fake Funny Stories
| Others |
| FFS | Fallback Fault Tolerant Server
| Others |
| FFS | Family Financial Statement
| Others |
| FFS | Family Food Safety
| Others |
| FFS | Farmer Field School
| Others |
| FFS | Farmer Field Schools
| Others |
| FFS | Fast And Furious Sex
| Others |
| FFS | Fast File Splitter
| Others |
| FFS | Fast File System
| Others |
| FFS | Fast Filling System
| Others |
| FFS | Fast Front Shifting
| Others |
| FFS | Fast Fuel Sensor
| Others |
| FFS | Fat File System
| Others |
| FFS | Federated File System
| Others |
| FFS | Fee For Service
| Others |
| FFS | Fee-for-service
| Others |
| FFS | Fee-For-Service(s)
| Others |
| FFS | Fee-For-Services
| Others |
| FFS | Feedback Fuel System
| Others |
| FFS | Ferrari Financial Services
| Others |
| FFS | Ferrovie Federali Svizzere
| Others |
| FFS | Fertility and Family Survey
| Others |
| FFS | Fertility and Family Surveys
| Others |
| FFS | Fighting For Survival
| Others |
| FFS | File Format Support
| Others |
| FFS | Film Fernseh Synchron
| Others |
| FFS | Film For Sale
| Others |
| FFS | Financial Forecasting System
| Others |
| FFS | Fire Fighting Superstructure
| Others |
| FFS | Fire Fighting Systems
| Others |
| FFS | Firefox Send
| Others |
| FFS | First Fit Scheduler
| Others |
| FFS | Fitness for Service
| Others |
| FFS | Fitter Faster Stronger
| Others |
| FFS | Fixed File System
| Others |
| FFS | Flash File System
| Others |
| FFS | Flat Field Screen
| Others |
| FFS | Flat File System
| Others |
| FFS | Flat Foot Shifting
| Others |
| FFS | Flexible Fuel Sensor
| Others |
| FFs | Flip Flops
| Others |
| FFS | Flogged by Firing Squad
| Others |
| FFS | Focused Facilities Strategy
| Others |
| FFS | Fold Flat System
| Others |
| FFS | For F*** s
| Others |
| FFS | For F*** Sake
| Others |
| FFS | For Fire Safety
| Others |
| FFS | for FME Desktop
| Others |
| FFS | For Franks Sake
| Others |
| FFS | For Fun Sakes
| Others |
| FFS | For Future Study
| Others |
| FFS | Ford Financial Services
| Others |
| FFS | Form Fill and Seal
| Others |
| FFS | Form Fill Seal
| Others |
| FFS | Form Fill Sealer
| Others |
| FFS | Formatted File System
| Others |
| FFS | Frame and Fork Straightener
| Others |
| FFS | Frame Floor System
| Others |
| FFS | Framework For Flexible Systems
| Others |
| FFS | Franz Ferdinand and Sparks
| Others |
| FFS | Free Floor Space
| Others |
| FFS | Free Flow Speed
| Others |
| FFS | Free Fluid Surface
| Others |
| FFS | Free For Shipping
| Others |
| FFS | Free Form Surface
| Others |
| FFS | Freedom From Smoking
| Others |
| FFS | Frente Federativo Sindical
| Others |
| FFS | Friction Free Shaving
| Others |
| FFS | Fringe Field Switching
| Others |
| FFS | Front Facing Seats
| Others |
| FFS | Fuel Feedback System
| Others |
| FFS | Full Fiscal Shambles
| Others |
| FFS | Full Flight Simulation
| Others |
| FFS | Furious Flagger Squad
| Others |
| FFS | Future Flight Support
| Others |
| FFS | The Fene Fene Sisterhood
| Others |