| Acronym | Definition |
|---|
| SDDA➣South Dakota Department of Agriculture |
| SDDA➣Staunton Downtown Development Association (Staunton, VA) |
| SDDA➣Seaside Downtown Development Association (Seaside, OR) |
| SDDA➣South Dakota Dental Association |
| SDDA➣San Diego District Attorney (California) |
| SDDA➣Salala District Development Association (Liberia) |