| Acronym | Definition |
|---|
| ACF | Administration for Children and Families (US Department of Health & Human Services) |
| ACF | Army Cadet Force (UK military) |
| ACF | American Culinary Federation |
| ACF | Australian Conservation Foundation |
| ACF | Aviation Club de France (French: Aviation Club of France) |
| ACF | Autocorrelation Function |
| ACF | American Checker Federation |
| ACF | African Conservation Foundation |
| ACF | American Chestnut Foundation |
| ACF | Anisotropic Conductive Film |
| ACF | Association of Charitable Foundations (UK) |
| ACF | Army College Fund (recruiting/retention education incentive) |
| ACF | Automobile Club de France |
| ACF | American Composers Forum |
| ACF | Association of Consulting Foresters |
| ACF | Alliance for Children and Families (merger of FSA and NAHSC) |
| ACF | African Clawed Frog |
| ACF | Air Combat Fighter |
| ACF | Admission Confirmation (signaling message) |
| ACF | Access Control Facility |
| ACF | Alaska Conservation Foundation |
| ACF | Australian Chess Federation |
| ACF | Application Compatibility Factory (Microsoft) |
| ACF | Access Control Field |
| ACF | Advanced Communication Function |
| ACF | Anterior Cervical Fusion |
| ACF | Activated Carbon Filter |
| ACF | Action Contre la Faim Action (French NGO) |
| ACF | Acute Care Facility |
| ACF | American Canine Foundation |
| ACF | Asian Christian Fellowship |
| ACF | Advanced Common Flightdeck (Boeing cockpit design) |
| ACF | Association de la Cause Freudienne (French: Freudian Cause Association) |
| ACF | Asymmetric Crying Facies |
| ACF | Agent Character File (Microsoft Office file extension) |
| ACF | Attribute Configuration File |
| ACF | Australian Cat Federation (Inc) (Port Adelaide, South Australia) |
| ACF | Application Configuration File |
| ACF | Actual Cubic Feet |
| ACF | Alternative Care Facility |
| ACF | Anti-coalition Forces |
| ACF | Apalachicola–Chattahoochee–Flint River Basin Compact |
| ACF | Area Control Facility |
| ACF | Arts County Fair (University of British Columbia) |
| ACF | American Cinema Foundation |
| ACF | Asociación Cristiana Femenina (Christian Womens' Association, Guatemala) |
| ACF | Advanced Communication Facility |
| ACF | Africa Conservation Fund |
| ACF | Apple Communications Framework |
| ACF | Asian Cricket Foundation |
| ACF | Agricultural Christian Fellowship |
| ACF | Angular Correlation Function |
| ACF | American Communications Foundation |
| ACF | Air Contingency Force |
| ACF | Acquisition Career Field |
| ACF | Aircraft File |
| ACF | Authentication Control Function |
| ACF | Access Coordination Function |
| ACF | Advanced Communications Facility |
| ACF | Access Coordination Fee |
| ACF | Adult Christian Formation |
| ACF | Aspen Community Foundation (Aspen, CO) |
| ACF | Analysis, Correlation, and Fusion (Air Space Ops Ctr) |
| ACF | Acceptance Check Flight |
| ACF | Adiabatic Connection Formula (Theory) |
| ACF | Active Contract File |
| ACF | Acid Concentrator Feed |
| ACF | Accomplishment Confidence Factor |
| ACF | Acoustafoil |
| ACF | Account Code Feature (Sprint) |
| ACF | Aéromodel Club Forézien (French: Model Aircraft Club Forézien) |
| ACF | Alternate Command Facility |
| ACF | Army Club Fund |
| ACF | Area Confinement Facility |
| ACF | Automatic Control Feature |
| ACF | American Crossword Federation |
| ACF | Accountability Computer Function |
| ACF | Advanced Command Formatter |
| ACF | Administrative Control Facility (Orion Series VI) |
| ACF | Access Control Factor |
| ACF | Airline Consumer Forum |
| ACF | Activated Coke Fire |
| ACF | Amorphous Carbon Fluoride |
| ACF | Anticoagulant Factor |
| ACF | Airlift Clearance File |
| ACF | Advanced Communications Feature |
| ACF | Agent Communications Facility |
| ACF | Ax Club de France (French automobile club) |
| ACF | All Chiru Fans |
| ACF | Arts Crafts Festivals |
| ACF | Adams County Fairgrounds (various locations) |
| ACF | Arts Center Foundation (various locations) |
| ACF | Average Cost of Funds |