List of acronyms: F

(Main list of acronyms)

• f – (s) Femto
• F – (s) Farad – Fluorine

FA

• fa – (s) Persian language (ISO 639-1 code)
• FA – Food Addicts in Recovery Anonymous
• fA – (s) Femtoampere
• FA
• (i) Field Artillery
• Financial aid
• Football Association (England)
• Football Australia (governing body for association football)
• FAA
• (i) U.S. Federal Aviation Administration
• Financial Aid Administrator
• Fleet Air Arm
• Functional Area Analysis
• FAAD – (a) Forward Area Air Defence
• FAAN – (i) Fellow of the American Academy of Neurology
• FAAFP – (i)Fellow of the American Academy of Family Physicians
• FAAN – (i) Fellow of the American Academy of Nursing
• FAANG – Facebook, Amazon, Apple, Netflix, Google (the leading stocks in the late-2010s US market rally) (c.f. FANG, which originally did not include Apple)
• FAAQ – (a/i) Frequently Asked and Anticipated Questions (cf. FAQ)
• FAASV – (i) Field Artillery Ammunition Supply Vehicle
• FAB – (i) Feline Advisory Bureau (UK feline charity)
• (i) Forward Air Controller
• Front of Allies for Change
• Frontal Affinity Chromatography
• Full Aperture Calibrator
• FACA – (a) (US) Federal Advisory Committee Act
• FACH – (a) Fuerza Aérea de Chile
• FACN – (i) Fellow of the American College of Nutrition
• FACP – (i) Fellow of the American College of Physicians
• FACS
• (i) Fellow of the American College of Surgeons
• (a) Formal Aspects of Computing Science
• Fluorescent-activated cell sorting
• FACTS – (a) Flexible Alternating Current Transmission System
• FAD
• (i) Flavin Adenine Dinucleotide
• (a) Funding Authorization Document
• M18 FADAC – (p) Field Artillery Data Computer
• FADEC - (a) Full Authority Digital Engine (or Electronic) Control
• FAFSA – (a) Free Application for Federal Student Aid (US)
• FAH
• (i) Federation of American Hospitals
• Fine Arts and Humanities
• Foreign Affairs Handbook
• FAI
• (i) Fédération Aéronautique Internationale (French, "International Aeronautics Federation")
• Football Association of Ireland
• FAL - (a) Fusil Automatique Léger (French, Light Automatic Rifle), Belgian battle rifle
• FAM – (i) Foreign Affairs Manual
• fao – (s) Faroese language (ISO 639-2 code)
• FAO – (i) Food and Agriculture Organization
• FAPA – Fellow of the American Psychological Association
• FAPHA – Fellow of the American Public Health Association
• FAQ – (a/i) Frequently Asked Questions (sometimes pronounced "fak")
• FARC – (a) Fuerzas Armadas Revolucionarias de Colombia (Spanish, "Revolutionary Armed Forces of Colombia")
• FARDC – (a) "Military of the Democratic Republic of the Congo
• FARP – (a) Forward Arming and Refuelling Point / Forward Area Rearm/refuel Point
• fas – (s) Persian language (ISO 639-2 code)
• FAS
• (i) Federation of American Scientists
• Fetal Alcohol Syndrome
• FASCAM – (p) Family of Scatterable Mines
• FASD – (i) Fetal Alcohol Spectrum Disorder
• FASEB – (a/i) Federation of American Societies for Experimental Biology
• FAST
• (a) Face, Arm, Speech, Time (stroke symptoms)
• Five hundred meter Aperture Spherical Telescope (Chinese radio telescope)
• Fixing America's Surface Transportation Act (U.S. legislation)
• FAT – (a) Field Artillery Tractor – File Allocation Table
• FAVS – (a) Future Armoured Vehicle System
• FAW
• (i) Football Association of Wales
• First Automobile Works (Chinese automobile manufacturer)

FB

• FB – Facebook, An on-line social network
• FBCB2 or FBCB² – (p) Force XXI Battle Command, Brigade-and-Below
• FBCS – (i) Fellow of the British Computer Society
• FBI – (i) Federal Bureau of Investigation
• FBIS – (i) Foreign Broadcast Information Service
• FBIDST – (i) Fellow of the British Institute of Dental and Surgical Technologists
• FBLA (i) Future Business Leaders of America {Jr & HS Group}
• FBM – (s) Board foot
• FBR
• (i) Fast Breeder Reactor
• Foundation for Biomedical Research
• Friedman, Billings, Ramsey (now known as Arlington Asset Investment)
• FBS
• Federal Bureau of Statistics (Pakistan)
• Fetal bovine serum
• Football Bowl Subdivision (U.S. college football)
• Fukuoka Broadcasting Corporation

FC

• fC – (s) Femtocoulomb
• FC
• (i) Fire Control
• Football Club
• (s) Funnel Cloud (METAR Code)
• FCA
• (i) Fellowship of Christian Athletes
• Fiat Chrysler Automobiles
• Fraction of Combat Active forces
• FCC – (i) U.S. Federal Communications Commission
• FCE – (i) First Certificate in English
• FCF – (i) Financial Free Cash Flow
• FCFS – (i) First Come, First Served
• FCM
• (i) Federation of Canadian Municipalities
• Fogarty's Cove Music
• FCO – (i) UK Foreign and Commonwealth Office
• FCS
• (i) Football Championship Subdivision (U.S. college football)
• Future Combat System
• FCSB – (i) Fotbal Club Steaua București, a name claimed by two association football clubs in Bucharest – FCSB and CSA Steaua București
• FCW – (i) Florida Championship Wrestling
• FCW - Forward Collision Warning, see Collision avoidance system
• FCZ – (i) Forward Combat Zone

FD

• FD – (i) Falun Dafa
• FDA – (i) Food and Drug Administration (U.S.)
• FDBK – (i) Feedback
• FDC
• (i) Federal Detention Center (U.S.)
• Fire Direction Centre
• FDDI – (i) Fibre Distributed Data Interface
• FdI – (i) Fratelli d'Italia (Italian, "Brothers of Italy"), an Italian political party
• FDI
• (i) Fault detection and isolation
• Films Division of India, a government film production agency
• Flexible Display Interface
• Foreign direct investment
• Frégate de défense et d'intervention (French, "Defense and Intervention Frigate"), a planned class of French Navy ships
• FDNY – Fire Department of New York
• FDR
• (i) Flight data recorder
• Franklin Delano Roosevelt

FE

• Fe – (s) Iron (Latin Ferrum)
• FE – (i) Fully Exposed (armoured vehicle target, as opposed to Hull-Down)
• FEAR
• (a) First Encounter Assault Recon
• Focus sash Endeavor (Quick) Attack Rattata (or Fucking Evil Annoying Rodent), a last-resort tactic in competitive Pokemon battling
• FEAST – (a/i) Forum for European-Australian Science and Technology Cooperation
• FEATS – (a) Festival of European Anglophone Theatrical Societies
• FEB
• (i) Federación Española de Baloncesto (Spanish, "Spanish Basketball Federation")
• Federatie Eredivisie Basketball (Dutch, "Federation Honorary Division (of) Basketball"), the former name of the basketball competition later known in Dutch by the English-language Dutch Basketball League
• Força Expedicionária Brasileira (Portuguese, "Brazilian Expeditionary Force")
• FEBA – (a) Forward Edge of the Battle Area
• fec. – (p) fecit (Latin, "he made it")
• FED – (a/i) Field emission display
• FEF – (i) Frontal Eye Field (neurophysiology)
• FEI – (i) Fédération équestre internationale (French, "International Federation for Equestrian Sports")
• FEMA
• (a/i) Farm Equipment Manufacturers Association
• (a/i) U.S. Federal Emergency Management Agency
• FENAFUTH – (p) Federación Nacional Autónoma de Fútbol de Honduras (Spanish, "National Autonomous Football Federation of Honduras")
• FENS – (a/i) Federation of European Neuroscience Societies
• FEP – (i) Firepower Enhancement Program – Fleet satellite (FLTSAT) Extremely high frequency (EHF) Package
• FEPAFUT – (p) Federación Panameña de Fútbol (Spanish, "Panamanian Football Federation")
• FES – (i) Flywheel Energy Storage
• FEST – (a) Frankfurt English Speaking Theatre
• FET – (a) Field-effect transistor
• FEZ – (a/i) Fighter Engagement Zone

FF

• ff – (s) Fula language (ISO 639-1 code)
• fF – (s) Femtofarad
• FF
• (i) Final Fantasy
• (p) Firefox (Web browser)
• FFA
• (i) Football Federation Australia, former name of the governing body now known as Football Australia
• Pacific Islands Forum Fisheries Agency
• Free-Fire Area
• Fusiform Face Area
• Future Farmers of America (today the National FFA Organization)
• FFB – (i) Frum From Birth (referring to an observant Jew born into a religiously observant family)
• FFC – (i) Free For Chat
• FFCM — Fellow of the Faculty of Community Medicine (fellowship created in 1972, now replaced by FFPH)
• FFE – (i) Fukuoka Futures Exchange
• FFF – (i) Fédération française de football (French, "French Football Federation")
• FFG – (s) Guided Missile Frigate (hull classification symbol)
• FFOV – (i) Forward Field Of View
• FFP - (i) Federally Funded Participation
• FFPH — Fellow of the Faculty of Public Health, replacing FFPHM
• FFR – (i) Fédération française de rugby (French, "French Rugby (Union) Federation")
• FFS – (i) For Fuck's Sake
• FFT
• (i) Fast Fourier transform
• Final Fantasy Tactics

FG

• FG – (i) Falun Gong
• fg – (s) Femtogram
• FG – (s) Fog (METAR Code) – French Guiana (FIPS 10-4 territory code)
• FGR – (a) Flickr Group Roulette

FH

• fH – (s) Femtohenry
• FHFIF – (i) Foster's Home for Imaginary Friends
• FHI – (i) Family Health International, Fuji Heavy Industries, Ltd.

FI

• fi – (s) Finnish language (ISO 639-1 code)
• FI – (s) Finland (ISO 3166 digram; FIPS 10-4 country code)
• FIA – (a) Fédération internationale de l'automobile (French "International Automobile Federation")
• FIAT – (a) Fabbrica Italiana Automobili Torino (Italian "Italian Car Factory of Turin")
• FIBA – originally (a) Fédération internationale de basket-ball amateur (French, "International Amateur Basketball Federation"); since 1989, (p) Fédération internationale de basket-ball
• FIBUA – (i/a) Fighting In Built-Up Areas
• FIC – (i) Fellowship for Intentional Community
• FID – (i) Foreign Internal Defence
• FIDÉ – (a) Fédération internationale des échecs (French, "World Chess Federation")
• FIE – (i) Fly-In Echelon
• FIFA – (a) Fédération internationale de football association (French, "International Association Football Federation")
• FIFe – (a) Fédération internationale féline (French, "International Feline Federation")
• FIFO – (a) First In, First Out
• FIFRA – (a) Federal Insecticide, Fungicide, and Rodenticide Act
• FIG
• (i) Fédération internationale des géomètres (French, "International Federation of Surveyors")
• Fédération internationale de gymnastique (French, "International Federation of Gymnastics")
• Feminist Improvising Group (music ensemble)
• fij – (s) Fijian language (ISO 639-2 code)
• FILA – (a) Fédération internationale des luttes associées (French, "International Federation of Associated Wrestling Styles"), former name of the sport governing body now known as United World Wrestling
• FILO – (a) First In, Last Out (see also LIFO)
• FIMPT – (i) Fellow of the Institute of Maxillofacial Prosthetists and Technologists
• fin – (s) Finnish language (ISO 639-2 code)
• FIN – (s) Finland (ISO 3166 trigram)
• FINA – (p/a) Fédération internationale de natation (French, "International Swimming Federation")
• FIPS – (a) Federal Information Processing Standard
• FIR
• (i) Final Inspection Report
• Federazione Italiana Rugby (Italian, "Italian Rugby (Union) Federation")
• FIRES – Fever Induced Refractory Epilepsy Syndrome or Febrile Infection-Related Epilepsy Syndrome
• FIS – (a/i) Fédération internationale de ski (French "International Ski Federation")
• FISA – (a) Fédération Internationale des Sociétés d'Aviron (French, "International Federation of Rowing Associations")
• FISH – (a) Fluorescence In-Situ Hybridisation
• FiST – (p) Fire Support Team
• FITS – (a) Flexible Image Transport System
• FIU – (i) Florida International University

FJ

• fj – (s) Fijian language (ISO 639-1 code)
• fJ – (s) Femtojoule
• FJ – (s) Fiji (ISO 3166 digram; FIPS 10-4 country code)
• FJD – (s) Fiji dollar (ISO 4217 currency code)
• FJI – (s) Fiji (ISO 3166 trigram)
• FJN – (a) Financial Job Network

FK

• fK – (s) Femtokelvin
• FK – (s) Falkland Islands (ISO 3166 code)
• FKA - (i) Formerly known as
• FKP – (s) Falkland Islands pound (ISO 4217 currency code)
• FKSM – (i) Fort Knox Supplemental Manual
• FKT – (i) Fastest known time

FL

• fl – (p) floruit (Latin, "living") (genealogy)
• fL – (s) Femtolitre
• FL – (s) Florida (postal symbol)
• FLA – (p) Florida – (i) Front Line Assembly – Future Large Aircraft
• FLAC – (a/i) Free Lossless Audio Codec
• FLAC – (a/i) Free Legal Advice Centres
• FLAK – (p) FLugAbwehrKanone (German for "Anti-Aircraft Guns")
• FLB – (i) Forward Logistics Base
• FLET – (a/i) Forward Line of Enemy Troops
• FLG – (p) Falun Gong
• FLIP – (p) Flight Information Publication
• FLIR – (i) Forward Looking InfraRed (sensor)
• FLK – (s) Falkland Islands (ISO 3166 trigram)
• Also Funny-Looking Kid, a medical initialism for a young child with a mostly normal but somewhat unusual ("funny") appearance that raises the suspicion index for congenital disorder. Used only before a medical diagnosis has determined the cause of the unusual appearance.
• FLOT – (a/i) Forward Line of Own Troops
• FLSA – (i) Fair Labor Standards Act
• FLQ – (i) Front de libération du Québec (French for "Québec Liberation Front")
• FLTSAT – (p) Fleet Satellite
• FLTSATCOM – (p) Fleet Satellite Communication System

FM

• FM – (s) Factory Mutual http://fmglobal.com
• fm – (s) Femtometre
• Fm – (s) Fermium
• FM
• (i) Federal Magistrate (Australian post-nominal)
• (s) Federated States of Micronesia (postal symbol; ISO 3166 digram; FIPS 10-4 territory code)
• (i) Field Manual
• Flight Manager
• Frequency Modulation (electronics)
• FMC
• (i) Federal Magistrates' Court (an Australian federal court, formerly FMS)
• Food Machinery Corporation (original name of the company now known as FMC Corporation)
• FMCA – (i) Federal Magistrates' Court of Australia (used for citing decisions of the FMC other than family law decisions)
• FMCAfam – (i) Federal Magistrates' Court of Australia: family (used for citing family law decisions of the FMC)
• FME – (i) Formal Methods Europe
• FMECA – (i) Failure Modes and Effect Criticality Analysis
• FMJD – (i) Fédération Mondiale du Jeu de Dames
• FMLA – (i) Family Medical Leave Act
• Fmr – Former (as in "Fmr. president")
• fMRI – (i) Functional Magnetic Resonance Imaging
• FMS
• (i) Federal Magistrates Service (an Australian federal court, now FMC)
• (i) Flight Management System
• Foreign Military Sales
• FMSF – (i) False Memory Syndrome Foundation
• FMTV – (i) Family of Medium Tactical Vehicles
• FMCG – (i) Fast-Moving Consumer Goods

FN

• fN – (s) Femtonewton
• Fabrique Nationale (Belgian firearms manufacturer)
• FNA – (i) Functional Needs Analysis
• FNaF - (a) Five Nights at Freddy’s (horror video game series)

FO

• fo – (s) Faroese language (ISO 639-1 code)
• FO
• (s) Faroe Islands (ISO 3166 digram; FIPS 10-4 territory code)
• (i) Force Operations (military)
• Forward Observer
• Frame Optional (military symbology)
• FOAD – (a) Fuck Off And Die
• FOAF – (a) Friend Of A friend
• FoB – (i) Free On Board (shipping)
• FOB
• (i/a) Forward Operating Base
• Fall Out Boy
• FOC
• (i) First of Class
• Forward of center (measure of weight bias of an arrow)
• Full Operational Capability
• FOD - Foreign Object Debris
• FoE
• (a/p) Federation of Earth
• (p) Friends of the Earth
• FOGC – (i) Federal Oil and Gas Council
• FOH – (a) Front Of House
• FOIA – (a) Freedom of Information Act
• FOM – (a) Federation Object Model
• FOMO – (a) Fear of missing out
• FONSI – (a) Finding of No Significant Impact
• FOO – (a) Forward Observation Officer
• FOR
• (i) Field Of Regard
• Frame Of Reference
• Fortran – (p) The IBM Mathematical FORmula TRANslating System (programming language)
• FOS
• (i) Florida Ornithological Society
• Full Operational Status
• FoS – (i) Family of Systems
• FOSE – (p) Fallout 3 Script Extender
• FOSE – (a) Federal Office Systems Expo
• FOT – (i) Free on truck
• FOTA – (i) Fellow of the Orthodontic Technicians Association
• FOTC – Flight of the Conchords
• FOUO – (i) For Official Use Only
• FOV – (i) Field Of View

FP

• FP – (s) French Polynesia (FIPS 10-4 territory code)
• FPF
• (i) Federação Portuguesa de Futebol ("Portuguese Football Federation" in that language)
• Final Protective Fire
• fps – (s) frames per second (motion pictures, television, computer graphics)
• FPS
• (i) Fire Prevention System
• First-person shooter (computer/video games)

FQ

• FQ – (s) Baker Island (FIPS 10-4 territory code) – French Southern and Antarctic Territories (ISO 3166 digram; obsolete 1979)
• FQDN – (i) Fully Qualified Domain Name

FR

• fr – (i) For real
• fr – (s) French language (ISO 639-1 code)
• Fr – (s) Francium
• FR – (s) France (FIPS 10-4 country code; ISO 3166 digram)
• fra – (s) French language (ISO 639-2 code)
• FRA
• (i) Federal Railroad Administration
• (s) France (ISO 3166 trigram)
• FRAGO – (p) Fragmentary Order (military)
• FRAND – (a) Fair, reasonable, and non-discriminatory (concept in standards-setting and intellectual property law)
• FRCP
• (i) Federal Rules of Civil Procedure
• Fellow of the Royal College of Physicians
• FRICBM – (i) Full Range ICBM
• frr – (s) North Frisian language (ISO 639-2 code)
• FRR
• (s) Falls Road Railroad (reporting mark)
• (i) FederaÅ£ia Română de Radioamatorism (Romanian, "Romanian Amateur Radio Federation")
• (i) Fix, Rebuild, Replace
• FederaÅ£ia Română de Rugby (Romanian, "Romanian Rugby (Union) Federation")
• FRO – (s) Faroe Islands (ISO 3166 trigram)
• FRS
• (i) Fellow of the Royal Society
• U.S. Federal Reserve System
• FRSA – (i) Fellow of the Royal Society of Art
• FRSL – (i) Fellow of the Royal Society of Literature
• fry – (s) West Frisian language (ISO 639-2 code)
• FRY – (i) Federal Republic of Yugoslavia

FS

• fs – (s) Femtosecond
• fS – (s) Femtosiemens
• FS
• (i) Fire Support (military)
• (s) French Southern and Antarctic Territories (FIPS 10-4 territory code)
• FSA
• (i) Fire Support Area
• UK Food Standards Agency
• Functional Solution Analysis
• FSB
• (i) Federal'naya Sluzhba Bezopasnosti Rossiyskoi Federatsii (Федера́льная слу́жба безопа́сности Росси́йской Федера́ции, Russian "Federal Security Service of the Russian Federation", succeeded the FSK in 1995)
• Forward Support Battalion
• FSC
• (i) Federal Supply Classification
• (a) Forest Stewardship Council (ecological pressure group)
• FSCL – (i) Fire Support Co-ordination Line
• FSE – (i) Fire Support Element
• F&SF – (i) (The Magazine of) Fantasy & Science Fiction
• FSF – (i) Free Software Foundation
• FSH – (i) Follicle-stimulating hormone
• FSI – (i) Fuel Stratified Injection
• FSK – (i) Federal'naya Sluzhba Kontrrazvedki (Федера́льная Слу́жба Контрразве́дки, Russian "Federal Counterintelligence Service", succeeded the KGB in 1991)
• FSM
• (s) Federated States of Micronesia (ISO 3166 trigram)
• (i) Flying Spaghetti Monster (satirical religion)
• FSO
• (i) Fire Support Officer
• Flotilla Staff Officer
• Foreign Service Officer
• FSS – (i) Fire Support Station
• FSSP – (i) Families of Structurally Similar Proteins
• FST
• (i) Finance Support Team
• Finlands Svenska Television (Finland's Swedish-language television)
• Future Soviet Tank (Cold War era)
• FSTC – (i) Foreign Science Technology Center (now NGIC)
• FSV
• (i) Fire Support Vehicle
• Fisheries Survey Vessel
• Flexible Sender Validation
• Fort St. Vrain
• Fußball und Sportverein (German "Football and Sport Association", as in FSV Mainz)

FT

• fT – (s) Femtotesla
• FTC – (i) Federal Trade Commission
• FTE – (i) Full Time Equivalent
• FTL – (i) Faster Than Light
• FTP – (i) File Transfer Protocol
• FTS
• (i) Flight Termination System used during some rocket launches
• Follow-the-sun
• Fuck/Forget That/This Shit
• FTSE – (a/i) Financial Times Stock Exchange ("footsie")
• FTW – (i) For The Win (a commonly used phrase used online to indicate success), Fuck the World, Forever Together Wherever (gang slogan)

FU

• FU
• (s) Smoke (METAR Code)
• (p) "Fuck You"
• FUBAR – (a) Fucked/Fouled Up Beyond All Recognition/Repair
• f/u/b/o – (i) For the use and benefit of (found in legal documents)
• FUBU - (a) For Us, By Us
• FUCK – (a) For, Unlawful, Carnal, Knowledge (Van Halen album title)
• FUD – (a) Fear, Uncertainty & Doubt (marketing strategy)
• – (a) British/American Army slang, then Video Gamer FPS slang for Fucked Up, Got Ambushed, Zipped In.
• ful – (s) Fula language (ISO 639-2 code)

FV

• fV – (s) Femtovolt

FW

• fW – (s) Femtowatt
• FW – (s) Forward
• F/W – (i) Fixed Wing
• FWC – (i) Football World Cup
• FWD - (a) Front Wheel Drive (automobile transmission type)
• FWF – (i) Fixed Word Format
• FWI – (i) French West Indies
• FWIW – (i) For What It's Worth
• FWS – (i) U.S. Fish and Wildlife Service
• FWT – (i) Fresh Water Tank

FX

• FX – (a) Firefox – Fox Extended – (s) Metropolitan France (ISO 3166 digram; obsolete 1997) – Special effect
• FXX – (s) Metropolitan France (ISO 3166 trigram; obsolete 1997)

FY

• fy – (s) West Frisian language (ISO 639-1 code)
• FY – (i) Fiscal Year – (s) Former Yugoslav Republic of Macedonia (NATO country code)
• FYA – (i) For Your Agenda
• FYI – (i) For Your Information
• FYROM – (a) Former Yugoslav Republic of Macedonia, currently North Macedonia

FZ

• FZDZ – (s) Freezing Drizzle (METAR Code)
• FZFG – (s) Freezing Fog (METAR Code)
• FZRA – (s) Freezing Rain (METAR Code)

References