| Acronym | Definition |
|---|
| DTSA➣Down Town Santa Ana (Santa Ana, CA) |
| DTSA➣Defense Technology Security Administration |
| DTSA➣Discrete-Time Survival Analysis |
| DTSA➣Desk Top Spectrum Analyzer |
| DTSA➣Defense Technical Security Agency (now DTRA) |
| DTSA➣Seaman Apprentice, Dental Technician Striker (Naval Rating) |