| Schema Definition Language | Academic & Science |
| Stand Definition Languages | Academic & Science |
| Service Description Language | Academic & Science |
| Storage Definition Language | Academic & Science |
| System Design Languages | Academic & Science |
| Student Directed Learning | Academic & Science |
| Submersible Diving Lockout | Academic & Science |
| Seven Day Lie | Academic & Science |
| Sundsvall | Airport Code |
| Service Delivery Leader | Business |
| SDL International, PLC | Business |
| Sundance Resources Ltd | Business |
| Strings Direct Limited | Business |
| Servo Driver Loudspeaker | Business |
| Simple Direct Layer | Chemistry |
| Secure Development Lifecycle | Community |
| Skills Development Levy | Community |
| Self Directed Learning | Community |
| Swingin Down the Lane | Community |
| Severe Disorders of Language | Community |
| Structure Description Language | Computer and Networking |
| Software Defined Language | Computer Assembly Language |
| Shielded Data Link | Computing |
| Specification and Description Language | Computing |
| Simple Data Link | Computing |
| Sample Detection Limit | Computing |
| Service Definition Language | Computing |
| Simple Directmedia Library | Computing |
| System Directory List | Computing |
| Sound Library | Computing |
| Scheduling Description Language | Computing |
| Solution Deliverables List | Computing |
| Simple Declarative Language | Computing |
| System Description Language | Computing |
| Special/Standard Duty Locomotive (6/8-axle) | Computing |
| Software and Documentation Localization | Computing |
| Specification and Design Language | Computing |
| Scenario Description Language | Computing |
| Structured Description Language | Computing |
| Schematic Driven Layout | Electronics |
| Parsys Hardware Network Description File | File Type |
| Scene Description Language (alias Wavefront) | File Type |
| Smartdraw Library | File Type |
| Smart Device Link | General |
| Smart Door Lock | General |
| Special Designated License | General |
| Simulated Divided Lights | General |
| Sustainable Design Lab | General |
| Service Dominant Logic | General |
| Spatial Data Logic | General |
| Super Diesel Luxury | General |
| Slow Down Lights | General |
| Sensore Di Livello | General |
| Sonda Di Livello | General |
| Sliding Door Module | General |
| Super Dura Lube | General |
| Super Diesel Lang | General |
| Service Diagnosis Line | General |
| Supplier Development List | General |
| Sport Dash Logger | General |
| SUCCESS DETERMINATION and LONG | General |
| Sports Drive Logger | General |
| Simple DirectMedia | General |
| System Detail Level | General |
| Space Dynamics Lab | General |
| Smart Display Link | General |
| Stream Definition Language | General |
| Sustainable Diversion Limit | General |
| Symptom Description Language | General |
| Supplemental Downlink Link | General |
| Superimposed Dead Load | General |
| Stockholm Design Lab | General |
| Simulated Divided Lite | General |
| Sunny DeLight | General |
| Stitching Done Later | General |
| Sam's Draconic Lizard | General |
| SHAHDOL | Indian Railway Station |
| Simple DirectMedia Layer | Information Technology |
| Space Dynamics Laboratory | Medical |
| Smartcard Data Log | Military and Defence |
| System Design Language | Military and Defence |
| Special Duty Locomotive | Regional |
| Sundsvall, Sweden | Regional |
| Screen Definition Language | Softwares |
| Software and Documents Localization | Softwares |
| Surface Display Library | Softwares |
| Software Development Library | Softwares |
| Software Development Laboratory | Space Science |
| Standard Distribution List | Space Science |
| Sudden Death League | Sports |
| SmackDown Live | Sports |
