| DTEC | Department of Training and Education Coordination (Australia) | 培训和教育协调部（澳大利亚） |
| DTEC | Delano Technology Corporation | 德拉诺科技公司 |
| DTEC | Development Test and Evaluation Center | 开发测试与评估中心 |
| DTEC | Department of Technical and Economic Cooperation (Thailand) | 技术和经济合作部（泰国） |