| Acronym | Definition |
|---|
| DBL | Double |
| DBL | Disability |
| DBL | Diffuse B-Cell Lymphoma (oncology) |
| DBL | Dedicated Bus Lane (various locations) |
| DBL | Death by Laughter. |
| DBL | DeCamp Bus Lines (est. 1870; New Jersey) |
| DBL | Disability Benefits Law (New York) |
| DBL | Dynamic Buffer Limiting |
| DBL | Data Base List |
| DBL | Data Base Library |
| DBL | Dhaka Bank Ltd. (Dhaka, Bangladesh) |
| DBL | Down By Law (band) |
| DBL | Design-Build-Lease (contracts) |
| DBL | Du Besset-Lyon (architects; France) |
| DBL | Development beyond Learning (Australia) |
| DBL | Duffy Binding-Like |
| DBL | Diamond Baseball League (various locations) |
| DBL | Drexel Burnham Lambert (defunct investment bank) |
| DBL | Database Language |
| DBL | Distance Between Lenses |
| DBL | Don't Be Late |
| DBL | Domain Block List |
| DBL | Dribbler Botter Lancer (sports; Canada) |
| DBL | Distribution Bernard Llecha (French textiles distribution company) |
| DBL | Database Lock |
| DBL | Design Brothers Limited (UK; est. 1995) |
| DBL | Design Based Learning (teaching methodology) |
| DBL | Distribution-Based Logistics |
| DBL | Don Bosco Liluah (schools; West Bengal, India) |
| DBL | Divided Bit-Line |
| DBL | Digital Blueline |
| DBL | Development Baseline |
| DBL | Disk Based Lookup |
| DBL | Double Reduction Gears (naval propulsion) |
| DBL | Delt Basketball League (Delta Tau Delta; University of Illinois) |
| DBL | Dayton Business Leader (publication; University of Dayton; Ohio) |
| DBL | De-Sean B. Leroy (musician) |