| ETSC | Electronic Taxpayer Service Center 
| Others |
| ETSC | Electronics Technician (sonar) Chief Petty Officer
| Others |
| ETSC | Engineering and Technology Student Council
| Others |
| ETSC | Engineering Technical Support Center
| Others |
| ETSC | Engineering Technologies Safety and Construction
| Others |
| ETSC | Enhanced Traction Stability Control System
| Others |
| ETSC | Enterprise Technology Service Center
| Others |
| ETSC | Enterprise Training Services Contact
| Others |
| ETSC | European Technical and Scientific Centre
| Others |
| ETSC | European Traffic Safety Council
| Others |
| ETSC | European Transport Safety Council
| Others |
| ETSC | Eurovision Times Song Contest
| Others |
| ETSC | Evacuated Tubular Solar Collector
| Others |
| ETSC | Evangelical Theological Seminary in Cairo
| Others |
| ETSC | Executive Technology Steering Committee
| Others |