| Acronym | Definition |
|---|
| DSA | Distinguished Service Award |
| DSA | Digital Signature Algorithm |
| DSA | Driving Standards Agency (UK) |
| DSA | Direct Selling Association |
| DSA | Das Schwarze Auge (German adventure role-playing game) |
| DSA | Division of Student Affairs |
| DSA | Division of the State Architect (California) |
| DSA | Disabled Students' Allowance |
| DSA | Democratic Socialists of America |
| DSA | Down Syndrome Association |
| DSA | Directory System Agent |
| DSA | Data Structures and Algorithms |
| DSA | Development Studies Association (UK) |
| DSA | Deputy Sheriffs Association |
| DSA | Daily Subsistence Allowance |
| DSA | Défibrillateur Semi-Automatique (French: Semi-Automatic Defibrillator) |
| DSA | Defence Services Asia (Fair, Malaysia) |
| DSA | Doncaster Sheffield Airport |
| DSA | Directory Service Agent |
| DSA | Distributed Systems Architecture |
| DSA | Denver School of the Arts (Colorado) |
| DSA | Direct School Admission |
| DSA | Data Systems Analysts, Inc. |
| DSA | Day Spa Association |
| DSA | Disabled Sailing Association |
| DSA | Dynamic Signal Analyzer |
| DSA | Dynamic Spectrum Allocation |
| DSA | Defense Supply Agency (now Defense Logistics Agency; US DoD) |
| DSA | Dynamic Scalable Architecture |
| DSA | Dynamic Storage Allocation |
| DSA | Documented Safety Analysis (US Department of Energy) |
| DSA | Design Sensitivity Analysis |
| DSA | Dynamic System Analysis (IBM) |
| DSA | Dragonfly Society of the Americas |
| DSA | Digital Storage Architecture |
| DSA | Direct Selling Agents (marketing) |
| DSA | Dimensionally Stable Anode |
| DSA | Disposal Services Agency (UK Ministry of Defense) |
| DSA | Division Support Area |
| DSA | Divided States of America |
| DSA | Dynamic Stability Assistance (Volvo) |
| DSA | Designated Smoking Area |
| DSA | Data Service Adapter |
| DSA | Donor Specific Antibody |
| DSA | Department of Student Affairs (various locations) |
| DSA | Digital Spectrum Analyzer |
| DSA | Dental Surgery Assistant |
| DSA | Director of Special Affairs (Church of Scientology) |
| DSA | Deputy for Systems Acquisition (Army) |
| DSA | Dynamic Strain Aging (metals) |
| DSA | Debian Security Announcement |
| DSA | Division of Scientific Authority |
| DSA | Dial Service Assistance |
| DSA | Delayed Spatial Alternation |
| DSA | Dynamic Single Assignment |
| DSA | Definity Site Administration (Lucent/Avaya telecom switch software application) |
| DSA | Diploma in Sport Administration |
| DSA | Dial System Assistance |
| DSA | Dansk Selskab for Allergologi |
| DSA | Drug Safety Associate |
| DSA | Delmarva Safety Association (Georgetown, Delaware) |
| DSA | Distributed Sample Acquisition |
| DSA | Disabled Sportsmen of America |
| DSA | Dynamic Service Add |
| DSA | Dynamic Search Algorithm (networking) |
| DSA | Defect Source Analysis |
| DSA | Dansk Sports- og Avlschampionat (Denmark) |
| DSA | DS Advanced (website) |
| DSA | Defense Systems Acquisition |
| DSA | Detailed Site Assessment (Canada) |
| DSA | Defence Security Agency |
| DSA | Design Services Allocation |
| DSA | Direct Silicon Access |
| DSA | Defense Shipping Authority |
| DSA | Depth and Simultaneous Attack |
| DSA | Dynamic Subcarrier Assignment (wireless networks) |
| DSA | Designated State Authority |
| DSA | Diplôme Supérieur d'Aptitude à l'Enseignement (French: Advanced Diploma of Proficiency in Teaching) |
| DSA | Direct Shock Action (Ski-Doo snowmobiles) |
| DSA | Directed Search Area |
| DSA | Distribution Systems Analyzer |
| DSA | Digital Serving Area |
| DSA | Dynamic Service Adaptation |
| DSA | Directory System Authentication |
| DSA | Double-Slot Antenna |
| DSA | Dedicated Switched Access |
| DSA | Dominant Scatterer Algorithm |
| DSA | Directory Service Administrator |
| DSA | Defense Services Administration |
| DSA | Disaster Services Agency |
| DSA | Data Systems Administration |
| DSA | Data Systems Architecture |
| DSA | Double Studded Adapter (oil industry) |
| DSA | Digital Standard Algorithm |
| DSA | Data Splitter Assembly |
| DSA | Defense Special Assessment (DIA) (US DoD) |
| DSA | Deltona Street Association (car club, Deltona, Florida) |
| DSA | Deputy Science Advisor |
| DSA | Detailed Support Arrangement |
| DSA | Dynamic Simulated Annealing |
| DSA | Deaf Sports Australia Ltd |
| DSA | Direct Services-ANI-Based |
| DSA | Dealer Standard Accounting |
| DSA | Digital Subtraction Angiography/Angiogram |
| DSA | Distributed Sparse Array |
| DSA | Disk Storage Assembly |
| DSA | Distance Spectrum Analysis |
| DSA | Decimal Shift & Add |
| DSA | Dedicated Signaling Access |
| DSA | Detailed Scheduling Algorithm |
| DSA | Doppler Scattering Centroid |
| DSA | Departmental Security Authorizer (State Farm) |
| DSA | Design Support Analysis |
| DSA | Area-Scale Fractal Dimension (fractal geometry of engineering surface) |
| DSA | Digital Super Album |
| DSA | Dynamic Spectrum Access (wireless networking) |
| DSA | Deploy Secure and Analyze (VMware class) |
| DSA | Director of Student Activities (various locations) |
| DSA | Division of Student Administration (various locations) |
| DSA | Dictionary of Scottish Architects (UK) |
| DSA | Distributed Switch Architecture |
| DSA | Direct Sales Agent |
| DSA | Debt Settlement America (various locations) |
| DSA | Douglas Shaw & Associates (Naperville, IL) |
| DSA | Desire Street Academy (various locations) |
| DSA | Depression, Stress and Anxiety (mental health) |