| Acronym | Definition |
|---|
| RDSA➣Read Only Dynamic Storage Area |
| RDSA➣Rice Digital Scholarship Archive (Rice University; Houston, TX) |
| RDSA➣Russian Dance Sport Association |
| RDSA➣Regional Director for South Asia |
| RDSA➣Seaman Apprentice, Radarman Striker (USN Rating) |
| RDSA➣Rainy Day Savings Account |
| RDSA➣Renal Digital Subtraction Arteriography (radiology) |