DTRA
| Acronym | Definition |
|---|---|
| DTRA | Defense Threat Reduction Agency |
| DTRA | Dirt Track Racing Association |
| DTRA | Deseret Towers Recreation Area (Utah) |
| DTRA | Data Terminal Ready A |
| DTRA | Defense Technical Review Agency |
| DTRA | Defense Technical Review Activity |
| DTRA | Design Trade Resource Association |
| DTRA | Dumbreck Tenants and Residents Association (UK) |
| DTRA | Down The Road Analysis (show) |
| DTRA | Direttore Tecnico Regionale Aerobica |
| DTRA | Dielectric Tapered Rod Antenna |