| DSSA | Daicel Safety Systems America 
| Others |
| DSSA | Dairy Strong Sustainability Alliance
| Others |
| DSSA | Data Science and Strategic Analytics
| Others |
| DSSA | Data Storage System for ACSF
| Others |
| DSSA | Data Systems Technician Seaman Apprentice
| Others |
| DSSA | Decision Sciences Student Association
| Others |
| DSSA | Decision Sciences Student Association's
| Others |
| DSSA | Defense Security Service Academy
| Others |
| DSSA | Delaware State Sportsmen's Association
| Others |
| DSSA | Delivering Same Sex Accommodation
| Others |
| DSSA | Dental Students' Scientific Association
| Others |
| DSSA | Denver Society of Security Analysts
| Others |
| DSSA | Department of Soil Science and Agrochemistry
| Others |
| DSSA | Derbyshire Schools Sports Association
| Others |
| DSSA | Design School Southern Africa
| Others |
| DSSA | Deutsche Securities Saudi Arabia
| Others |
| DSSA | Development Society of Southern Africa
| Others |
| DSSA | Dipartimento Studi Strategici Antiterrorismo (Department of Anti-terrorism Strategic Studies)
| Others |
| DSSA | Diplomatic Security Special Agent
| Others |
| DSSA | Distinguished Scholarship and Service Award
| Others |
| DSSA | Distinguished Service to Safety Award
| Others |
| DSSA | Distinguished Significant Service Award
| Others |
| DSSA | Distributed System Security Architecture
| Others |
| DSSA | District Systems Self Assessment
| Others |
| DSSA | Division of Software Support Acquisition
| Others |
| DSSA | Dog Show Superintendents Association
| Others |
| DSSA | Domain Specific Software Architecture
| Others |
| DSSA | Domain-Specific Software Architecture
| Others |
| DSSA | Down Syndrome South Africa
| Others |
| DSSA | Driver Sound Stage Adjustment
| Others |
| DSSA | Drucker School Student Association
| Others |
| DSSA | Dual Signal Spark Advance
| Others |
| DSSA | Duluth South Shore and Atlantic
| Others |
| DSSA | Duluth Superior Sailing Association
| Others |
| DSSA | Duluth, South Shore and Atlantic
| Others |
| DSSA | DuPage Social Service Association
| Others |
| DSSA | DuPont Safety and Sustainability Awards
| Others |
| DSSA | Dynamic Security Surveillance Agent
| Others |