ABF
- ABF Freight System
- Abai Sungai language
- Abaiang Airport
- Africa Badminton Federation
- American Bar Foundation
- Ammonium bifluoride
- Amorphous brazing foil
- Applications-By-Forms
- Arbetarnas bildningsförbund
- Argentina Boxing Federation
- Army Benevolent Fund
- Artists' Benevolent Fund
- Associated British Foods
- Australian Baseball Federation
- Australian Border Force
- Availability-based tariff
- Aviation boatswain's mate, fuels
- Bergen County Academies