| F&S | Fichtel and Sachs 
| Others |
| F&S | Fire and Smoke detection
| Others |
| F&S | First and Second
| Others |
| F&S | Freeware and Shareware
| Others |
| FS | Fabian Society
| Others |
| FS | Fact Sheet
| Others |
| FS | Fact Space
| Others |
| FS | Faculty Staff
| Others |
| FS | Fail To Shift
| Others |
| FS | Fail to Sync
| Others |
| FS | Fail-Safe
| Others |
| FS | Fairchild Semiconductor
| Others |
| FS | Fake Sling
| Others |
| FS | Family Scovotti
| Others |
| FS | Family Services
| Others |
| FS | Family Size
| Others |
| FS | Family Sport
| Others |
| FS | Fantasy Schedule
| Others |
| FS | Far Side
| Others |
| FS | Farm Service
| Others |
| FS | Farm Storage
| Others |
| FS | Farming Simulator
| Others |
| FS | Fast And Simple
| Others |
| FS | Fast Set
| Others |
| FS | Fast Slow
| Others |
| FS | Fat Slogger
| Others |
| FS | Fault Summary
| Others |
| FS | Feasibility Study
| Others |
| FS | Federal Specification
| Others |
| FS | Federal Standard (U.S.)
| Others |
| FS | Fee Simple
| Others |
| FS | Fermi Surface
| Others |
| FS | Field Saturation
| Others |
| FS | Field Separator
| Others |
| FS | Field Serviceable
| Others |
| FS | Field Stones
| Others |
| FS | Fighter Squadron
| Others |
| FS | Fighting School
| Others |
| FS | Figure of Speech
| Others |
| FS | Figure Skater
| Others |
| FS | File Separator
| Others |
| FS | File Server
| Others |
| FS | File Size
| Others |
| FS | File System
| Others |
| FS | File Systems
| Others |
| FS | Filesystems So
| Others |
| FS | Film Scanner
| Others |
| FS | Film Simulation
| Others |
| FS | Fin Seal
| Others |
| FS | Fin Stabilised
| Others |
| FS | Final Sales
| Others |
| FS | Financial Secretary
| Others |
| FS | Financial Service
| Others |
| FS | Financial Statement
| Others |
| FS | Fine Silver
| Others |
| FS | Finite Size
| Others |
| FS | Finite Slope
| Others |
| FS | Finite Sup
| Others |
| FS | Finite Support
| Others |
| FS | Fire Safe
| Others |
| FS | Fire Support
| Others |
| FS | Fire Suppression
| Others |
| FS | Firing Squad
| Others |
| FS | Fischer Servi
| Others |
| FS | Fisher Scoring
| Others |
| FS | Fixed Sample
| Others |
| FS | Fixed Scale
| Others |
| FS | Fixed Size
| Others |
| FS | Flare Single-Unit Fs Search Radius Safety Factor
| Others |
| FS | Flash Storage
| Others |
| FS | Flat Side
| Others |
| FS | Flexibility Syndrome
| Others |
| FS | Flight School
| Others |
| FS | Flight Simulator
| Others |
| FS | Flight System
| Others |
| FS | Floor Stapler
| Others |
| FS | Florida Statutes
| Others |
| FS | Flying Screen
| Others |
| FS | Flying Shadow
| Others |
| FS | Fo Shizzle
| Others |
| FS | Fo-Sho!
| Others |
| FS | Focusing System
| Others |
| FS | Folded Short
| Others |
| FS | Folding Series
| Others |
| FS | Folding Space
| Others |
| FS | Fondo Specchio (Italian: Proof coin)
| Others |
| FS | Font Select
| Others |
| FS | Font Size
| Others |
| FS | Food Service
| Others |
| FS | Food Stop
| Others |
| FS | Foot Stone
| Others |
| FS | for Ask
| Others |
| FS | For Sale
| Others |
| FS | For Shallow
| Others |
| FS | For Signal
| Others |
| FS | For Speaker
| Others |
| FS | For Stage
| Others |
| FS | For State
| Others |
| FS | for Suggestions
| Others |
| FS | Force Sensative
| Others |
| FS | Force Sensitive
| Others |
| FS | Force Support
| Others |
| FS | Foreign Service
| Others |
| FS | Forensic Science
| Others |
| FS | Forest Service
| Others |
| FS | Fort Smith
| Others |
| FS | Fortitude South
| Others |
| FS | Fortnite S**ks
| Others |
| FS | Forward Scattering
| Others |
| FS | Forward Seating
| Others |
| FS | Forward Secrecy
| Others |
| FS | Foundation Skills
| Others |
| FS | Foundation Stage
| Others |
| FS | Foundation Support
| Others |
| FS | Four Seasons
| Others |
| FS | Four Star
| Others |
| FS | Four Stroke
| Others |
| FS | Four Swords
| Others |
| FS | Fourier Series
| Others |
| FS | Fourier Spectra
| Others |
| FS | Fox Sports
| Others |
| FS | Frame Shift
| Others |
| FS | Freaking Stolen
| Others |
| FS | Free Safety
| Others |
| FS | Free Shipping
| Others |
| FS | Free Signal
| Others |
| FS | Free Software
| Others |
| FS | Free Space
| Others |
| FS | Free Standing
| Others |
| FS | Free State
| Others |
| FS | Free Stuff
| Others |
| FS | Free-Standing
| Others |
| FS | Freemius the Service
| Others |
| FS | FreeSpace
| Others |
| FS | Freight and Supply
| Others |
| FS | French Scene
| Others |
| FS | Freon Servicer
| Others |
| FS | Frequency Synthesis
| Others |
| FS | Fresh Substance
| Others |
| FS | Friendly Status
| Others |
| FS | Friends School
| Others |
| FS | Friendship Sheet
| Others |
| FS | Friendster
| Others |
| FS | Frodo And Sam
| Others |
| FS | Front Suspension
| Others |
| FS | Frozen Section
| Others |
| FS | Fuel Spill
| Others |
| FS | Fujisawa Special
| Others |
| FS | Full Sample
| Others |
| FS | Full Scale
| Others |
| FS | Full Scalle
| Others |
| FS | Full Screen
| Others |
| FS | Full Service
| Others |
| FS | Full Shot
| Others |
| FS | Full Size
| Others |
| FS | Full Source
| Others |
| FS | Full Span
| Others |
| FS | Full Speed
| Others |
| FS | Full Steps
| Others |
| FS | Full Suspension
| Others |
| FS | Fully Sick
| Others |
| FS | Fully Successful
| Others |
| FS | Fully Support
| Others |
| FS | Function Select
| Others |
| FS | Function Space
| Others |
| FS | Functional Schematic
| Others |
| FS | Functional System
| Others |
| FS | Funny Stuff
| Others |
| FS | Funtional Specification
| Others |
| FS | Fuselage Station
| Others |
| FS | Future Shock
| Others |
| FS | Future Splash
| Others |
| FS | Future System
| Others |
| FS | The Fraction Of Solar
| Others |
| FS | Usenix FaceServer file Bitmap graphics
| Others |
| FS# | Fivaz and Stanton Number
| Others |