| 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 |