| MDU | Maharishi Dayanand University
| Others |
| MDU | Maharshi Dayanand University
| Others |
| MDU | Marker Decoder Unit
| Others |
| MDU | Medical Day Unit
| Others |
| MDU | Medical Defence Union
| Others |
| MDU | Mendi, Papua New Guinea
| Others |
| MDU | Midwest Drift Union
| Others |
| MDU | Mobile Display Unit
| Others |
| MDU | Mobile Dwelling Unit
| Others |
| MDU | Modular Dispensing Unit
| Others |
| MDU | Montana Dakota Utilities
| Others |
| MDU | Monthly Domestic Usage
| Others |
| MDU | More Dicto Utendus
| Others |
| MDU | More Dicto Utendus (to be used as directed)
| Others |
| MDU | Morris Down Under
| Others |
| MDU | Mulher do uso em determinado grupo social significa esposa, namorada
| Others |
| MDU | Multi Disciplinary Unit
| Others |
| MDU | Multi Display Unit
| Others |
| MDU | Multi Dwelling Unit
| Others |
| MDU | Multi Dwelling Units
| Others |
| MDU | Multi-Dwelling Unit
| Others |
| MDU | Multidwelling unit
| Others |
| MDU | Multiple Disability Unit
| Others |
| MDU | Multiple Distribution Unit
| Others |
| MDU | Multiple Dwelling Unit
| Others |
| MDU | Muscular Disruption Units
| Others |