| FSMO |
Flexible Single Master Operation |
| FSN |
Full Service Network |
| FSN |
File System Navigator |
| FSP |
File Service Protocol (Internet) |
| FSS |
Fixed Satellite Services |
| FST |
Freiwillige Selbstkontrolle Telefonmehrwertdienste |
| FSTP |
Fast Spanning Tree Protocol |
| FSU |
Free Software Union |
| FT |
Free Term |
| FT |
Funkentelegraphie |
| FT |
Fast Track |
| FTA |
Final Type Approval |
| FTAM |
File Transfer, Access and Management (OSI) |
| FTB |
Front To Back Algorithm |
| FTC |
Fax Transfer Centre |
| FTC |
Federal Trade Commission, USA |
| FTDS |
Failure Tolerant Disk System |
| FTLS |
Formal Top Level Specification |
| FTP |
File Transfer Protocol (Internet) |
| FTP |
Foiled Twisted Pair |
| FTPI |
Flux Transitions Per Inch |
| FTS |
Fidonet Transport Standard |
| FTS |
File Transfer Service |
| FTS |
Fahrerlose Transportsysteme |
| FTTB |
Fiber To The Building |
| FTTC |
Fiber To The Curb |
| FTTG |
Fiber To The Galaxy |
| FTTH |
Fiber To The Home |
| FTZ |
Fernmeldetechnisches Zentralamt |
| FTZ |
Forschungs- und Technologie-Zentrum der DBP Telekom |
| FU |
Functional Unit |
| FUBS |
Fido Used Book Squad |
| FUD |
Flussdiagramm (DIN 66 001) |
| FUG |
Functional Unification Grammar |
| FUI |
Fake User Interface |
| FUI |
File Update Information |
| FUL |
Forschung und Lehre |
| FUNET |
Finnish University and Research Network |
| FUNI |
Frame based/Relay User Network Interface |
| FUP |
Funktionsplan (DIN 40 719) |
| FURA |
Föreningen Ume{aa} Radioamatörer |
| FuSt |
Funkstelle |
| FV |
Festverbindung |
| FVF |
Flexible Vertex Format |
| FVIT |
Fachverband Informationstechnik im ZVEI |
| FVT |
Full Video Translation |
| FVV |
Feste virtuelle Verbindung |
| FWEE |
Fernwirkendeinrichtung |
| FWEG |
Fernwirkendgerät |
| FWH |
Firmware Hub |