| ETA | Electrothermal Atomization | - | Computer Acronyms(common) |
| ETA | Eigenstructure Tracking Analysis | - | Computer Acronyms(common) |
| ETA | Emanation Thermal Analysis | - | Computer Acronyms(common) |
| ETA | Environmental Test Article | - | Organizations |
| ETA | Estimated Time Of Arrival | - | Organizations |
| ETA | Estimated Time To Acquisition | - | Organizations |
| ETA | Explosive Transfer Assembly | - | Organizations |
| ETA | External Tank Attachment | - | Organizations |
| ETA | Estimated Time Of Arrival | - | ISO Country Codes |
| ETA | Edited To Add | - | ISO Country Codes |
| ETA | Estimated Time Of Arrival -Euzkadi Ta Azkatasuna (etta | - | Astronomy |
| ETA | A Vendor Of Supercomputers And Associated Software | - | Business and Finance |
| ETA | A Hydrostatic Model That Employs The Eta Vertical Coordinate | - | Business and Finance |
| ETA | A Subsidiary Of Control Data Corporation That Manufactures Supercomputers | - | Business and Finance |
