| Acronym | Definition |
|---|
| LDD | Lijst Dedecker (Political party, Vlaanderen, Belgium) |
| LDD | Lewis Dot Diagram (atoms) |
| LDD | Living Dead Dolls |
| LDD | Lens Data Display |
| LDD | Language Data Definition |
| LDD | Logical Dos Drive |
| LDD | Load and Decrement |
| LDD | Logical Device Driver |
| LDD | Laser Diode Drive |
| LDD | Linear Delay Distortion |
| LDD | LEGO Digital Designer |
| LDD | Legal Due Diligence |
| LDD | Large Diameter Drilling (UK) |
| LDD | Land Development Desktop (Autodesk AutoCAD) |
| LDD | Loving Domestic Discipline |
| LDD | Langage de Description de Données (French: Data Description Language) |
| LDD | Learning Difficulties and Disabilities |
| LDD | Land Development Division (various locations) |
| LDD | Limited Distribution Drugs (medication protocol) |
| LDD | Light Duty Detergent |
| LDD | Laser Diode Driver |
| LDD | Local Development Document |
| LDD | Linux Device Driver |
| LDD | Least Detectable Dose |
| LDD | Luminaire Dirt Depreciation |
| LDD | Lightly Doped Drain |
| LDD | Low Dose Dexamethasone (drug) |
| LDD | Lhermitte-Duclos Disease |
| LDD | Lotus Developer Domain |
| LDD | Light-Duty Diesel |
| LDD | Long-Distance Dad |
| LDD | Logical Document Determination (legal) |
| LDD | Loss, Damage, or Destruction |
| LDD | Long-Distance Dads (various organizations) |
| LDD | Logical Data Dictionary |
| LDD | Lexmark Document Distributor |
| LDD | Legion of Dynamic Discord |
| LDD | Latency Driven Distribution |
| LDD | Les Développements Durables (Bayonne, Pays Basque) |
| LDD | Little Deluded Dupes |
| LDD | Long Distance Dependency |
| LDD | Large Digit Display (electronics) |
| LDD | Linear Decorrelating Detector |
| LDD | Low-Delay Data |
| LDD | Liquid Dish Detergent |
| LDD | Lunar Dust Detector |
| LDD | Long Distance Division (Sprint) |
| LDD | Livestock Development Department |
| LDD | Leeson Digital Designs |
| LDD | Laser Designator Detector |
| LDD | Logic Design Data |
| LDD | Letter of Determination of Dependency |
| LDD | Licensed Direct Disposer (cremation services) |
| LDD | Light Division Direct Support |
| LDD | Logic Decision Diagram |
| LDD | Logistics Development Data |
| LDD | Logistics Decision Diagram |
| LDD | Lectura Diaria (Spanish) |