| Abbreviation | Definition |
|---|---|
| FCNN | Farsi Christian News Network |
| FDD | Floppy Disk Drive |
| FDM | Frequency Division Multiplexing |
| FDN | Freelance Digital Nomad |
| FDNM | Fairbanks Daily News-Miner |
| FFC | Fan Fic Channel |
| FFFF | Feature Films for Families |
| FFR | Frontline Freelance Register |
| FFW | Fast ForWard |
| FGTV | Family Gaming TeleVision |
| FIC | Fictional |
| FIPM | Flow in Porous Media |
| FJWF | Female Journalists Without Frontiers |
| FLAVER | Flaver Is a Media House In Ghana (Flaver Media) Which Runs News and Entertainment Websites Like Ghan |
| FM | Final Monograph |
| FM | Frequency Modulation |
| FMLA | Family and Medical Leave Act |
| FMNN | Free Market News Network |
| FMS | Flash Media Server |
| FN | Freaking News |