| Acronym | Definition |
|---|
| DLB | Dictionary of Literary Biography (Gale) |
| DLB | Dementia with Lewy Bodies |
| DLB | Delray Beach (Amtrak station code; Delray Beach, FL) |
| DLB | Dynamic Loop Buffer |
| DLB | Double Layered Buffer |
| DLB | Digital Library |
| DLB | Dhanlaxmi Bank (India) |
| DLB | Don't Look Back |
| DLB | Dans le Bleu (French: In the Blue) |
| DLB | Dynamic Load Balancing |
| DLB | Derrick Lay Barge (offshore construction) |
| DLB | Digital Loopback |
| DLB | Downline Builder (multi-level marketing) |
| DLB | Dead-Letter Box (espionage tradecraft; aka dead drop) |
| DLB | Didier le Besque (French dance company) |
| DLB | Docks de Limeil Brévannés (French concrete recycler) |
| DLB | Découpe Laser Béton (French: Laser Cutting Concrete) |
| DLB | Digital Lecture Board (University of Mannheim, Germany) |
| DLB | Dock Labour Board (India and Pakistan) |
| DLB | Dual Leaky Bucket |
| DLB | Data Loopback |
| DLB | Dual Live Buffer |
| DLB | Directline for Business |
| DLB | Digital Logic Board (circuitry) |
| DLB | Direct Laryngobronchoscopy |
| DLB | Defect Liability Bond |