| Acronym | Definition |
|---|
| ECF | Extracellular Fluid |
| ECF | Eastern Conference Finals (basketball) |
| ECF | Elemental Chlorine-Free (bleaching) |
| ECF | Episcopal Church Foundation (New York, NY) |
| ECF | European Cyclists Federation |
| ECF | European Cultural Foundation |
| ECF | École de la Cause Freudienne (French: School of the Freudian Cause) |
| ECF | Economic Cooperation Foundation (Tel Aviv, Israel) |
| ECF | East Coast Fever |
| ECF | East China Fair (trade show) |
| ECF | English Chess Federation |
| ECF | Electronic Case Filing System (Administrative Office of the US Courts) |
| ECF | Enterocutaneous Fistula (postoperative complication) |
| ECF | Extended Care Facility (health care) |
| ECF | European Coordinating Facility |
| ECF | Early Church Fathers |
| ECF | Eosinophil Chemotactic Factor (immunology) |
| ECF | Event Recorder File |
| ECF | Eth Connection Function |
| ECF | Envelope Controlled Filter |
| ECF | End of Complete Frame |
| ECF | Enterprise Challenge Fund (Australia) |
| ECF | European Career Fair (MIT European Club) |
| ECF | Electronic Court Filing (law) |
| ECF | École de Conduite Française (French: French Driving School) |
| ECF | Equity Cash Flow |
| ECF | Employees Community Fund (Boeing Puget Sound) |
| ECF | Enterprise Capital Fund |
| ECF | Ethical Culture Fieldston (Bronx, NY) |
| ECF | Essex Community Foundation (UK) |
| ECF | Erie Community Foundation (Erie, PA) |
| ECF | Early Cancellation Fee (various companies) |
| ECF | European Charcot Foundation |
| ECF | Entry Control Facility |
| ECF | Engineering Consulting Firm |
| ECF | Electronic Claim Form (insurance) |
| ECF | European Championship Final |
| ECF | European Corporate Finance |
| ECF | Electronic Claim File (insurance) |
| ECF | Eclipse Communications Framework |
| ECF | eCommerce Foundation |
| ECF | Employees Compensation Fund |
| ECF | Edgar Cayce Foundation (Virginia) |
| ECF | Elmira Correctional Facility (New York) |
| ECF | Experts-Comptables et Commissaires aux Comptes de France (French: Accountants and Auditors of France; union) |
| ECF | Engineered Containment Facility (Canada) |
| ECF | Entretien et Création de Fontaines (French: Creation and Maintenance of Fountains) |
| ECF | Étoile Cycliste Fontenaysienne (French cycling club) |
| ECF | Enhanced Connectivity Facilities (IBM) |
| ECF | East Coast Fertility (New York) |
| ECF | Employee Change Form (various organizations) |
| ECF | External Configuration File |
| ECF | Early Childhood Funders |
| ECF | Espace Campus France (French study abroad program; various locations) |
| ECF | Electronic Cigarette Forum |
| ECF | Error Carried Forward |
| ECF | Emissor Cupom Fiscal (Brazil) |
| ECF | Essential Community Facility (California) |
| ECF | European Construction Forum (Belgium) |
| ECF | Entropic Cascade Failure |
| ECF | Engineering Computer Facility |
| ECF | Executable Choreography Framework (middleware-level framework) |
| ECF | Equipment Characteristics File |
| ECF | eCommerce Framework G5 (trademark of Mediachase ASP.NET) |
| ECF | European Cooperation Fund |
| ECF | Essential Command Function |
| ECF | Enhanced Communications Facility |
| ECF | Earth Center Fixed |
| ECF | Evolutionary Computation Framework (algorithm development framework) |
| ECF | Electronic Contracts Folder |
| ECF | Expected Cost of Failure |
| ECF | Emergency Calendar Filler |
| ECF | Eastern Communication Forum |
| ECF | Exercise Countermeasures Facility |
| ECF | Exponential Correlation Function |
| ECF | Elliptic Curve Factorization (mathematics) |
| ECF | Employee's Clearance Form |
| ECF | End Cruelty Forever (anti-animal cruelty organization) |