ETSS
| 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 |