| A&F | Abercrombie & Fitch 
| Others |
| A&F | Air and Fuel
| Others |
| A.F. | Amniotic Fluid
| Others |
| A/F | Across Flats
| Others |
| A/F | Air-to-Fuel Ratio
| Others |
| A/F | Asian Female
| Others |
| AF | A Flutter
| Others |
| AF | Aakash Foundation
| Others |
| AF | Abbreviated Form
| Others |
| AF | Abnormal Frequency
| Others |
| AF | Abraham Fund
| Others |
| AF | Absolutely Fake
| Others |
| AF | Absolutely Fantastic
| Others |
| AF | Acceleration Factor
| Others |
| AF | Access Fund
| Others |
| AF | Accounting and Finance
| Others |
| AF | Acid-Fast
| Others |
| AF | Acronym Finder
| Others |
| AF | Across the Flats
| Others |
| AF | Action Figure
| Others |
| AF | Active FIFO (First-In, First-Out)
| Others |
| AF | Active Frame
| Others |
| AF | Adaptive Filter
| Others |
| AF | Adaptive Frequency
| Others |
| AF | Added Fluoroelastomer
| Others |
| AF | Address Family
| Others |
| AF | Addressing the Future
| Others |
| AF | Administrative Failure
| Others |
| AF | Administrative File
| Others |
| AF | Adult Female
| Others |
| AF | Advance Fighting
| Others |
| AF | Advance Freight
| Others |
| AF | Advanced Functions
| Others |
| AF | Aerobrake Ferry
| Others |
| AF | AF definition
| Others |
| AF | Afghanistan
| Others |
| AF | Afrikaans
| Others |
| AF | Aft Fuselage
| Others |
| AF | After Fall
| Others |
| AF | After Fantasy
| Others |
| AF | After Fate
| Others |
| AF | After Finale
| Others |
| AF | After Fire
| Others |
| AF | After Ford
| Others |
| AF | After Foundation
| Others |
| AF | After Funimation
| Others |
| AF | After Life
| Others |
| AF | Agnostic Front
| Others |
| AF | Agreed Framework
| Others |
| AF | Air Filter
| Others |
| AF | Air Force
| Others |
| AF | Air Frame
| Others |
| AF | Air France
| Others |
| AF | Air Freight
| Others |
| AF | Air Freshener
| Others |
| AF | AirField
| Others |
| AF | Airway Facilities
| Others |
| AF | Akademi Fantasia
| Others |
| AF | Akedemi Fantasia
| Others |
| AF | Alabama and Florida Railway
| Others |
| AF | Alabama and Florida Railway Company
| Others |
| AF | Alan Frank
| Others |
| AF | Alexander Ferguson
| Others |
| AF | Align Focus
| Others |
| AF | All Fake
| Others |
| AF | All Flat
| Others |
| AF | All Forward
| Others |
| AF | All Funds
| Others |
| AF | Alliance Francophone
| Others |
| AF | Allied Forces
| Others |
| AF | Allocations Familiales
| Others |
| AF | Alluvial Fan
| Others |
| AF | Almost Free
| Others |
| AF | Alpha Federation
| Others |
| AF | Alpha Flames
| Others |
| AF | Alternate Final
| Others |
| AF | Alternate frequency
| Others |
| AF | Alternate Future
| Others |
| AF | Alternating Field
| Others |
| AF | Alternative Future
| Others |
| AF | Aluminium Filler
| Others |
| AF | Aluminum Frame
| Others |
| AF | Always Fun
| Others |
| AF | Alyssa Francine
| Others |
| AF | American Fiction
| Others |
| AF | American Flag
| Others |
| AF | American Forces
| Others |
| AF | American Forests
| Others |
| AF | American Front
| Others |
| AF | Amiable Friend
| Others |
| AF | Amphibious Force
| Others |
| AF | Amplified and Focused
| Others |
| AF | Anarchist Federation
| Others |
| AF | Ancestral File
| Others |
| AF | And Fabulous
| Others |
| AF | And Fun
| Others |
| AF | Anglo-French
| Others |
| AF | Angry Froggy
| Others |
| AF | Anime False
| Others |
| AF | Anisotropic Filtering
| Others |
| AF | Anistropic Filtering
| Others |
| AF | Anode Fall
| Others |
| AF | Another Future
| Others |
| AF | Antenna Factor
| Others |
| AF | Anti Federation
| Others |
| AF | Anti Flag
| Others |
| AF | Anti Friction
| Others |
| AF | Anti-Fall
| Others |
| AF | Anti-Fatigue
| Others |
| AF | Anti-Fungal
| Others |
| AF | Antistropic Filtering
| Others |
| AF | Aortic Flow
| Others |
| AF | Appears Af
| Others |
| AF | Application Framework
| Others |
| AF | Appropriated Funds
| Others |
| AF | Approximately Finite
| Others |
| AF | April Fool
| Others |
| AF | April Fools
| Others |
| AF | Arc Fault
| Others |
| AF | Arctic Fibulation
| Others |
| AF | Areometric Filler
| Others |
| AF | Armed Forces
| Others |
| AF | Armor Factor
| Others |
| AF | Array Formula
| Others |
| AF | Arrow From
| Others |
| AF | Arthacharya Foundation
| Others |
| AF | Arthritis Foundation
| Others |
| AF | As F
| Others |
| AF | As F***
| Others |
| AF | As Forever
| Others |
| AF | Asian Fit
| Others |
| AF | Asked For
| Others |
| AF | Assured Forwarding
| Others |
| AF | Astraea Foundation
| Others |
| AF | At first
| Others |
| AF | Atlanta-Fulton
| Others |
| AF | ATM Forum
| Others |
| AF | Atrial Fibrillation
| Others |
| AF | Atrial Flutter
| Others |
| AF | Attenuation Factor
| Others |
| AF | Audio Frequency
| Others |
| AF | Augmentation Force
| Others |
| AF | Augmented Factorial
| Others |
| AF | Augmented Formulation
| Others |
| AF | Aunt Flo
| Others |
| AF | Authentication Framework
| Others |
| AF | Authority File
| Others |
| AF | Auto Flash
| Others |
| AF | Auto Focus
| Others |
| AF | Auto-Finish
| Others |
| AF | Autofocus
| Others |
| AF | Automatic Filter
| Others |
| AF | Automatic Focus
| Others |
| AF | Automotive Forums
| Others |
| AF | Axis Future
| Others |
| AF | French Academy
| Others |
| AF | Stores Ship (Auxiliary, Freight)
| Others |