- F
- F-you money
- F/U
- F2F
- F2Fmail
- F2T
- F4F
- FAANGs
- FAB
- face time
- facebooking
- faceprint
- facial recognition
- fact-based management
- FAE
- FAF
- FAH
- failure
- FAITH
- fake
- fake fan
- fake news
- false drop
- fam
- fandom sampling
- FAP
- FAQ
- FAQL
- farm out
- FASB
- fast tracking
- FastCGI
- fat binary
- fat finger
- fat pipe
- FATC
- FATM
- fatware
- faux beau
- FAV
- favicon
- favorite
- FAWC
- FAWN
- fawning
- fawning -test
- FAWOMFT
- FAY
- FB
- FBI
- FBKS
- FBOCD
- FCFS
- FCOL
- FCS
- FDFF
- FDGB
- FDU
- FE
- FEAR
- feature
- feels
- felfie
- femtech
- ferroelectronics
- Fetch
- FF
- FF&PN
- FFA
- FFS
- FFT
- FGDAI
- FGF
- FHO
- FIAT
- fiber-optic cable
- fiber-optic or fiber-optics
- FIDO
- FIF
- FIFO
- FIGJAM
- FIGMO
- FIGS
- FIIK
- FIL
- file
- file compression
- file extension
- file sharing
- FILF
- Film at 11
- FILO
- filter
- filter bubble
- FILTH
- FINE
- fine business
- finger
- fingerprint
- finna
- finsta
- fintech
- FIPA
- FIRE
- fire off
- firedooring
- firefighters
- Firefox
- firewall
- FireWire
- firmware
- first eyes
- first mover
- first-generation
- first-mover advantage
- first-party data
- first-purchase momentum
- first-to-market
- FISH
- fisk
- FITB
- FITYMI
- five-and-dime
- fix it in post
- fixed wireless
- FKM
- FLA
- flagship product
- flame
- flame bait
- flame war
- Flash
- Flash cookie
- flash crash
- flash crowd
- flash crowds
- flash memory
- flash mob
- flash sale
- flat file
- flat panel
- flat screen
- flavor
- flex
- flex time
- flies
- flight risk
- flipping book
- floater
- floating toolbar
- flog
- floodgaters
- flooding
- floppy disk
- FLOTUS
- flowie
- FLUID
- fluttering
- flypaper meeting
- FM
- FML
- FMLTWIA
- FMOT
- FMTYEWTK
- FMUTA
- FNG
- FO
- FOAD
- FOAF
- FOAG
- fob
- FOBI
- FOC
- FOE
- FOFL
- FOGC
- FOH
- FOL
- FOLE
- folksonomy
- follow-up
- FOLO
- FOMC
- FOMCL
- FOMO
- FOMOF
- font
- foo/foobar
- FOOT
- force quit
- forced coolness
- forced downgrade
- FORD
- forelash
- forest
- forestware
- forklift upgrade
- form
- form art
- format
- fortune cookie
- forum
- forward slash
- FOS
- FOUO
- FPO
- fractal
- fram
- fram virus
- frame
- frame relay
- frame source
- frames
- frames-free
- frankenedit
- frape
- frazzing
- FRED
- free
- free-pricing model
- free-range parent
- freecycling
- freemium
- freenet
- freeware
- freeze
- frendor
- frenvy
- fresh fish
- freshness factor
- Friday night pizza maker
- friend
- FROG
- front end
- frontdoor
- FrontPage
- FRZN
- FS
- FSBO
- FSR
- FSTOW
- FSU
- FTAD
- FTASB
- FTBL
- FTBOMH
- FTC
- FTE
- FTF
- FTFOI
- FTL
- FTLOG
- FTN
- FTP
- FTR
- FTRF
- FTTB
- FTTC
- FTTH
- FTW
- FU2
- FUB
- FUBAR
- FUBARBUNDY
- FUBB
- FUBYOYO
- FUD
- fudge factor
- FUI
- FUJIMO
- fulfillment
- full duplex
- full user mobility
- full-on honkey handshake
- full-stack
- full-text search
- FUM
- FUMF
- functionality
- funemployment
- FUPA
- FURTB
- furverts
- fusion
- future-proof
- FUW
- fuzzy expert system
- fuzzy logic
- fuzzy objects
- FWB
- FWD
- FWIW
- FWOT
- FYA
- FYC
- FYE
- FYEO
- FYF
- FYI
- FYIFV
- FYLTGE
- FYM
- FYSBIGTBABN
