| Acronym | Definition |
|---|
| MLD | Manual Lymph Drainage (therapy) |
| MLD | Mailed |
| MLD | Multicast Listener Discovery Protocol |
| MLD | Mathematical Learning Difficulties |
| MLD | Metachromatic Leukodystrophy |
| MLD | Mixed Layer Depth |
| MLD | Modèle Logique des Donnees (French: Logic Data Model) |
| MLD | Master of Landscape Design (UK) |
| MLD | Multicast Listener Discovery |
| MLD | Multi Layer Display |
| MLD | Macintosh Licensing Design |
| MLD | Multi Layered Design |
| MLD | Media Library Device |
| MLD | Multi Language Display |
| MLD | Marine Luchtvaart Dienst (Dutch) |
| MLD | My Latest Distraction (website) |
| MLD | Major League Darts |
| MLD | Major League Drinking |
| MLD | Minimal Lumen Diameter |
| MLD | Median Lethal Dose |
| MLD | Mortgage Lending Division (various locations) |
| MLD | Mean Lethal Dose |
| MLD | Mahindra Lifespace Developers (India) |
| MLD | Moderate Learning Difficulty (special education needs) |
| MLD | Maniac Latin Disciples (gang) |
| MLD | Maximum Likelihood Decoding |
| MLD | My Last Day (band) |
| MLD | Major League Dreidel |
| MLD | Music Like Dirt |
| MLD | Most Likely Descendent (ancestry) |
| MLD | Military Libraries Division (Special Libraries Association) |
| MLD | Missile Launch Detector |
| MLD | Moderate Learning Disability |
| MLD | Master Logic Diagram |
| MLD | Multilayer Dielectric |
| MLD | My Little Dog |
| MLD | Mild Learning Disability |
| MLD | Main Line of Defense |
| MLD | Mean Level Detector |
| MLD | Millions of Liters Per Day (municipal water supply systems) |
| MLD | Minimum Line of Detection |
| MLD | Magnetic Latching Device |
| MLD | Message Loading Device |
| MLD | Military Liaison Department |
| MLD | Major League Duning |
| MLD | Minimum/Minimal Lethal Dose |
| MLD | Multi-Line Discount (insurance) |
| MLD | Major League Doorkicker |