| ETO | Early Termination Option 
| Others |
| ETO | Earned Time Off
| Others |
| ETO | Eat Take Out
| Others |
| ETO | Eco Transfer Object
| Others |
| ETO | economic technical or
| Others |
| ETO | Economical Technological and Organisational
| Others |
| ETO | Education Transformation Office
| Others |
| ETO | Educational Technologies Office
| Others |
| ETO | Educational Time Off
| Others |
| ETO | Efforts to Outcomes
| Others |
| ETO | Eight Twenty One
| Others |
| ETO | Electro Technical Officer
| Others |
| ETO | Electron Tube Operations
| Others |
| ETO | electronic Training Objects
| Others |
| ETO | Electronic Transactions Ordinance
| Others |
| ETO | Electronic Transactions Ordinance of 2002
| Others |
| ETO | Elite Tactical Operations
| Others |
| ETO | Elliptical Type Orbital
| Others |
| ETO | Energy Transition Outlook
| Others |
| ETO | Energy Trust of Oregon
| Others |
| ETO | Engineer To Order
| Others |
| ETO | Engineered To Order
| Others |
| ETO | Engineering To Order
| Others |
| ETO | Equity Take Out
| Others |
| ETO | Erotic Trade Only
| Others |
| ETO | Essentials Tools And Objects
| Others |
| ETO | Estimated Time of Ovulation
| Others |
| ETO | Estimated Time Over
| Others |
| ETO | Euro Team Outreach
| Others |
| ETO | European Telework Online
| Others |
| ETO | European Theater of Operations
| Others |
| ETO | European Theater of Operations [WW2]
| Others |
| ETO | European Theatre Of Operations
| Others |
| ETO | European Tuning Organisation
| Others |
| ETO | Every Third Odd
| Others |
| ETO | Every Third One
| Others |
| ETO | Excused Time Off
| Others |
| ETO | Expect The Outpouring
| Others |
| ETO | Extended Text Out
| Others |