| MSDD | Manual of Standard Designs and Details 
| Others |
| MSDD | Manufacturing System Design Decomposition
| Others |
| MSDD | Marine Safety Detached Duty
| Others |
| MSDD | Master of Software Design and Development
| Others |
| MSDD | Metabolic Stress Disinfection and Disinfestation
| Others |
| MSDD | Microsoft's Solutions Development Discipline
| Others |
| MSDD | Mini Sentinel Distributed Database
| Others |
| MSDD | Missing Supporting Documentation Declaration
| Others |
| MSDD | Multi Sensory Developmental Delays
| Others |
| MSDD | Multi Stream Dependency Detection
| Others |
| MSDD | Multi Symbol Different Detection
| Others |
| MSDD | Multi-sensory developmental delays
| Others |
| MSDD | Multiple Symbol Differential Detection
| Others |