| Acronym | Definition |
|---|
| ETCS➣Electronic Toll Collection System |
| ETCS➣Elementary Theory of the Category of Sets (mathematics) |
| ETCS➣European Train Control System |
| ETCS➣Electronic Throttle Control System |
| ETCS➣Electronic Traction Control System (automobile mechanics) |
| ETCS➣Engineering, Technology, and Computer Science (various universities) |
| ETCS➣Enterprise Technology Corporate Services (various companies) |
| ETCS➣Senior Chief Electronics Technician (Naval Rating) |
| ETCS➣Expeditionary Tactical Communications System |
| ETCS➣Extension Technology and Computer Services (University of Missouri-Columbia) |
| ETCS➣Electrolytic Tin Coated Steel |