ABF may refer to:
Aviation
- Aviation boatswain's mate, fuels
- IATA airport code for Abaiang Airport in Gilbert Islands, Kiribati
Organizations
- ABF Freight System, an American company
- Africa Badminton Federation
- American Bar Foundation
- Arbetarnas bildningsförbund, Swedish for "Workers' Educational Association"
- Argentina Boxing Federation
- Army Benevolent Fund
- Artists' Benevolent Fund
- Associated British Foods
- Australian Baseball Federation
- Australian Border Force
- Anti Bot Federation, an internet organization dedicated to promoting ethical use of bots and the removal of YouTube engagement bots
Other uses
- Abai Sungai language, an Austronesian language of Malaysia
- Academy for Business and Finance, part of high school Bergen County Academies in New Jersey, United States
- Ammonium bifluoride
- Amorphous brazing foil
- Applications-By-Forms, a component of CA-OpenIngres
- Availability-based tariff