| DTRA | Design Trade Resource Association | 设计贸易资源协会 |
| DTRA | Dirt Track Racing Association | 越野赛车协会 |
| DTRA | Dumbreck Tenants and Residents Association (UK) | Dumbreck租户和居民协会（英国） |
| DTRA | Deseret Towers Recreation Area (Utah) | 沙漠塔娱乐区（犹他州） |
| DTRA | Defense Technical Review Agency | 国防技术审查局 |
| DTRA | Defense Threat Reduction Agency | 国防威胁压制局 |
| DTRA | Data Terminal Ready A | 数据终端就绪A |
| DTRA | Direttore Tecnico Regionale Aerobica | Direttore Tecnico Regionale健美操 |
| DTRA | Dielectric Tapered Rod Antenna | 介质锥形杆天线 |
| DTRA | Defense Technical Review Activity | 国防技术审查活动 |
| DTRA | Down The Road Analysis (show) | 向下分析（显示） |