| Acronym | Definition |
|---|
| ETSS➣Episcopal Theological Seminary of the Southwest |
| ETSS➣Extended Training Service Specialist (US DoD) |
| ETSS➣Enhanced Transactional Secure Software |
| ETSS➣Engineering and Technical Support Services |
| ETSS➣Electronics Technician Submarine (US Navy) |
| ETSS➣Electronic Telecommunications Switching System |
| ETSS➣Extended Training Services Support |
| ETSS➣Environmental Test Specification Summary |