| Acronym | Definition |
|---|
| DSEC➣Dyal Singh Evening College (India) |
| DSEC➣Delaware Solar Energy Coalition (Newark, DE) |
| DSEC➣Drug Safety Executive Council (Needham, MA) |
| DSEC➣Double Stance, Eyes Closed |
| DSEC➣De Smet Engineers & Contractors (Belgium) |
| DSEC➣Daewoo Ship Engineering Company |
| DSEC➣Data Systems Evaluation Center |
| DSEC➣Disability Services Ethics Committee (Australia) |
| DSEC➣Director/ate of Security |