| ETS | EPCRA 313 Tracking System | - | Computer Acronyms(common) |
| ETS | Electron Transmission Spectroscopy | - | Computer Acronyms(common) |
| ETS | Electron Transport System | - | Computer Acronyms(common) |
| ETS | Environmental Tobacco Smoke | - | Computer Acronyms(common) |
| ETS | Extended Transition State (method For Bond Dissocn. Energies) | - | Computer Acronyms(common) |
| ETS | External Transcribed Spacer | - | Computer Acronyms(common) |
| ETS | Electrical Test Set | - | Organizations |
| ETS | Energy Transfer System | - | Organizations |
| ETS | External Tank System (Subsystem) | - | Organizations |
| ETS | Emergency Transponder System | - | Business and Finance |
| ETS | emergency telecommunications support
| - | Human Genome |
