FA
- fa – (s) Persian language (ISO 639-1 code)
- fA – (s) Femtoampere
- FA – (i) Field Artillery – Financial Aid – Football Association (England)
- FAA – (i) U.S. Federal Aviation Administration – Financial Aid Administrator – Fleet Air Arm – Functional Area Analysis
- FAAD – (a) Forward Area Air Defence
- FAADEZ – (i) Forward Area Air Defence Engagement Zone
- FAAN – (i) Fellow of the American Academy of Neurology
- FAAFP - (i)Fellow of the American Academy of Family Physicians
- FACP - (i) Fellow of the American College of Physicians
- FACS -(i) Fellow of the American College of Surgeons
- FAAN – (i) Fellow of the American Academy of Nursing
- 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)
- FAC – (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
- FACS – (a) Formal Aspects of Computing Science – Fluorescent-activated cell sorting
- FACTS – (a) Flexible Alternating Current Transmission System
- FAD – (i) Flavin Adenine Dinucleotide – Fuck A Duck – (a) Funding Authorization Document
- M18 FADAC – (p) Field Artillery Data Computer
- 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
- 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")
- 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) Field Artillery Scatterable Mines
- FASD – (i) Fetal Alcohol Spectrum Disorder
- FASEB – (a/i) Federation of American Societies for Experimental Biology
- FAT – (a) Field Artillery Tractor – File Allocation Table
- FAVS – (a) Future Armoured Vehicle System
- FAW – (i) Football Association of Wales
Read more about this topic: List Of Acronyms And Initialisms: F