| Acronym | Definition |
|---|
| DSL | Digital Subscriber Line (Internet) |
| DSL | Diesel |
| DSL | Désolé (French: sorry) |
| DSL | Design Science License |
| DSL | Domestic Substance List |
| DSL | Dictionary Specification Language (ABBYY Software House) |
| DSL | Dynamic Simulation Language |
| DSL | Denver & Salt Lake (Railroad) |
| DSL | Deutsche Siedlungs- und Landesrentenbank |
| DSL | Distributed Service Logic |
| DSL | Dialogue Scripting Language |
| DSL | Down Stage Left |
| DSL | Digital-system Specification Language |
| DSL | Data Set Label |
| DSL | Dynamic Super Linear Bass |
| DSL | Doctor of Strategic Leadership |
| DSL | Document Summary List |
| DSL | Decision Support Language |
| DSL | Defence Science Laboratory (India) |
| DSL | Disability Sick Leave |
| DSL | Data Structure Language |
| DSL | Down Shop Lead (EOT crane power source) |
| DSL | Data Set Language |
| DSL | Demonstrated Senior Logistician |
| DSL | Data Simulation Language |
| DSL | Drumsynth Live (fruityloops studio generator plugin) |
| DSL | display switch locator (SL) routing (US DoD) |
| DSL | Digital Signature Layer (email encryption) |
| DSL | Drawing and Specification Listing |
| DSL | Depot Supply Level |
| DSL | Dumb Stupid Loser |
| DSL | Dental System Light |
| DSL | Dog Leg Severity (oil industry, drilling) |
| DSL | Designated Substance List (Canada) |
| DSL | Department of Student Life (various schools) |
| DSL | Division of Student Life (various schools) |
| DSL | Digital System Laboratory (Thailand) |
| DSL | Deaf Sign Language |
| DSL | Damn Small Linux |
| DSL | Direct Subscriber Line |
| DSL | Division of State Lands (US Army Corps of Engineers) |
| DSL | Deep Scattering Layer |
| DSL | Deep Submergence Laboratory (Woods Hole Oceanographic Institution) |
| DSL | Definitive Software Library |
| DSL | Direct Satellite Link |
| DSL | Domain Specific Language |
| DSL | Don't Stay Long |
| DSL | Digital Signal Level |
| DSL | Digital Subscriber Loop (less common) |
| DSL | Digital Service Line |
| DSL | Distributed Simulation Laboratory |
| DSL | Dictionary of the Scots Language |