| F | Fahrenheit; Flat |
| FA | Fire alarm box |
| FAA | Federal Aviation Administration (U.S.) |
| FAAT | Fully Analytical Aerotriangulation |
| FAC | Feature analysis code(s) |
| FACC | Feature and Attribute Coding Catalog |
| FACE | Field Ancillary Computer Effort |
| FACM | Florida Assn. of Cadastral Mappers |
| FACS | Feature Attribute Coding Standard; Feature Attribute Coding System |
| Fahrb. | Fahrbahn = roadway |
| FAO | Food and Agricultural Organization (United Nations) |
| FAQ | Frequently Asked Question(s) |
| FARC | Federal Archives and Record Center |
| FAST | Faceted Application of Subject Terminology |
| Fb. | Fabrik = Factory |
| FB | Freytag-Berndt und Artaria |
| FBN | Federal base network (U.S.) |
| FC | Field component; Field completion |
| FCC | False color composite; Federal Communications Commission (U.S.) |
| FCM | Feature change map |
| FCT | Forestry Commission Tasmania |
| FCW | Federal Computer Week (journal) |
| FDDI | Fiber Digital Data Interface |
| FDIS | Formal Draft International Standard (ISO) |
| FDLP | Federal Depository Library Program (US GPO) |
| FDLS | Fiji Dept. of Lands and Survey |
| FDPP | Framework Demonstration Projects Program (FGDC) |
| FE | Feature extraction; Field engineer; Frame enclosed elevator |
| F.E. | Forest Engineer |
| fe. | Fecit (maker) |
| FEAT | Alternate Feature Identification Code |
| fec. | Fecit (maker) |
| FED | Field-emission displays |
| FEE | Feature Extraction Environment |
| FEMA | Federal Emergency Management Agency (U.S.) |
| FEP | Feature Extraction Processor |
| FES | Feature Extraction Segment |
| FESWMS | Finite Element Surface Water Model System |
| FEWS | Feature Extraction Workstation |
| FGCC | Federal Geodetic Control Committee (U.S.) |
| FGCS | Federal Geodetic Control Subcommittee (U.S.) |
| FGDC | Federal Geographic Data Committee (U.S.) |
| FGEF | Federal Geographic Exchange Format (U.S.) |
| F.G.S. | Fellow of the Geological Society |
| FGS | Florida Geological Survey |
| FGT | Federal Geographic Technology (U.S.) |
| FH | Field headquarters |
| FHA | Federal Highway Administration (U.S.) |
| FHWA | Federal Highway Administration (U.S.) |
| FICCDC | Federal Interagency Coordinating Committee on Digital Cartography (U.S.) |
| FIG | Federation Internationale des Geom`etres = International Federation of Surveyors |
| FII | Fundacion Instituto de Ingeneiria |
| FILS | Federal Government Information Locator System |
| FIPS | Federal Information Processing Standard(s); Flagstaff Image Processing System |
| FIRM | Flood Rate Insurance Map |
| FIRMS | Flood Rate Insurance Maps |
| FL | Florida; Focal length; Function libraries |
| Fla. | Florida |
| FLHO | Federal Lands Highway Office (U.S.) |
| FLIMAP | Fast Laser Imaging Mapping and Profiling (system) |
| FLIR | Forward-looking Infrared |
| FLL | Waterfall |
| FLOPS | Floating Point Operations per Second |
| FM | Facilities management; Field manual |
| F.M. | Field Marshall |
| FMC | Federal Maritime Commission (U.S.) |
| FME | Feature Manipulation Engine (Safe Software Inc.) |
| FMGIS | Flight management geographic information system |
| FMLIS | Federal Mineral Lands Information System |
| FMP | Field Pack Mobile Professional (All Points Software) |
| FMS | Facility Mapping Systems Inc.; Flight Managing System |
| FMS/AC | Facility Mapping System for AutoCAD |
| FNESA | Federation of New England Surveyors Assn.s |
| FO | Field office |
| F.O. | Field Officer; Foreign Office |
| FOC | Full operational capability |
| FOGs | Fiber Optic Gyros |
| FOM | Field Operations Manual |
| FORTRAN | Formula Translation (computer language) |
| FOUO | For official use only |
| FOV | Field of view |
| FPC | Federal Power Commission; Federal Publishers Committee |
| FPT | Full production training |
| FPU | Floating point unit |
| FRA | Federal Railroad Administration |
| FRC | Federal Records Center (U.S.) |
| F.R.G.S. | Fellow of the Royal Geographical Society |
| FRM | Farm |
| FRP | Federal Radio-navigation Plan |
| F.R.S. | Fellow of the Royal Society |
| FS | Fire station; Forest Service (U.S.); Federal Survey Div. (Nigeria) |
| FSLUPC | Federal/State Land Use Planning Commission for Alaska |
| FSMS | Florida Surveying and Mapping Society |
| FSO | Field Support Office (U.S. Army Engineer Topographic Laboratories) |
| FSPLS | Florida Society of Professional Land Surveyors |
| FSR | Flight Summary Report |
| FSRAMIS | Forest Service Range Management Information System |
| FT | Field terminator |
| Fth. | Fathom |
| FTL | Future Temporal Logic |
| FTM | Foiben Taosarintanin' i Madagasikara |
| FTP | File Transfer Protocol |
| FU | Field unit |
| Fur. | Furlong |
| Fw. | Fussweg = Footpath |
| FWPCA | Federal Water Pollution Control Administration (U.S.) |
| FWS | Fish and Wildlife Service (U.S.) |
| FZDS | Flood Zone Determination Services |