| Acronym | Definition |
|---|
| DDSA➣Digital Data Service Adapter |
| DDSA➣Digital Distributed Systems Architecture |
| DDSA➣Digital Dictionaries of South Asia (University of Chicago database) |
| DDSA➣Distributed Denial of Service Attack (internet; also seen as DDOS) |
| DDSA➣Defense Dental Standard Application |
| DDSA➣Defence Development Sharing Arrangement (Canada) |
| DDSA➣Dimension Data South Africa (est. 1983; specialist information technology services) |
| DDSA➣Derived-Design Strategic Activities |