ACF
- ACF (gene)
- ACF Fiorentina
- ACF River Basin
- ACFS (disambiguation)
- Aberrant crypt foci
- Academic Competition Federation
- Access Control Facility
- Action contre la Faim
- Active Citizen Force
- Adivasi Cobra Force
- Administration for Children and Families
- Aircraft railway station
- American Car and Foundry Company
- American Checker Federation
- American Culinary Federation
- Anisotropic conductive film
- Anti-Corruption Foundation
- Arab Chess Federation
- Aral Talim Airport
- Army Cadet Force
- Asian Chess Federation
- Associação Chapecoense de Futebol
- Asymmetric crying facies
- Ateliers et Chantiers de France
- Australian Cat Federation
- Australian Chess Federation
- Australian Conservation Foundation
- Autocorrelation function
- Automobile Club of France
- Meade Instruments
- Saint Lucian Creole French