| Acronym | Definition |
|---|
| ETF | Exchange Traded Fund (financial markets; aka Index Shares, Exchange Traded Index Fund) |
| ETF | Escape The Fate (band) |
| ETF | Early Termination Fee |
| ETF | European Training Foundation (EU) |
| ETF | Employee Trust Funds |
| ETF | European Transport Workers' Federation |
| ETF | Exhibitions and Trade Fairs (Australia) |
| ETF | Electronic Funds Transfer (banking industry) |
| ETF | Emergency Task Force (Toronto) |
| ETF | Eurovia Travaux Ferroviaires (French: Eurovia Railway Works) |
| ETF | Emerging Markets Telecommunications Fund (stock symbol) |
| ETF | Enriched Text File |
| ETF | Extensible Terascale Facility |
| ETF | Entrepreneurs de Travaux Forestiers (French: Works of Forest Entrepreneurs) |
| ETF | Engineering Test Facility |
| ETF | Electron Transferring Flavoprotein |
| ETF | Environmental Task Force |
| ETF | Européenne de Travaux Ferroviaires (French: European Railway Works) |
| ETF | Engine Test Facility |
| ETF | Estimated Time to Fix |
| ETF | Enemy Territory Fortress (game modification) |
| ETF | Environmental Transformation Fund (UK) |
| ETF | Estimated Time of Flight |
| ETF | Expendable Trust Fund (various organizations) |
| ETF | Environmental Test Facility |
| ETF | Emerging Technologies Fund (various locations) |
| ETF | Effluent Treatment Facility |
| ETF | Eastern Task Force (various organizations) |
| ETF | Enron Task Force |
| ETF | Eno Transportation Foundation |
| ETF | Environmental Technology Facility |
| ETF | Eclipse Trust Framework |
| ETF | European Technology Forum |
| ETF | Elektrotehnicki Fakultet u Beogradu |
| ETF | European Task Force |
| ETF | Employer Task Force on Pensions (UK) |
| ETF | Egoli Tossell Film (production company; Germany) |
| ETF | Ecology Task Force (Los Angeles, CA) |
| ETF | Emitter Track File (US Air Force) |
| ETF | Electronic Target Folder (US Navy CVN-68) |
| ETF | Endorsement Task Force (Oregon) |
| ETF | Electronic Test Facility |
| ETF | Education and Training Factor (factor of educational experience; Immigration Canada) |
| ETF | Electrical Test Facility |
| ETF | E-Mail To Fax |
| ETF | Equalized Transfer Function |
| ETF | Engine Torque Factor |
| ETF | Electrical Time Fuze |
| ETF | Encrypted Transmission Failure |
| ETF | Enlarge to Fit (Kinko's) |
| ETF | Experimental Transwitching Format |
| ETF | Electronic Transfer File |
| ETF | Electronic Trip Fare |