MD
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| MD | Biomedical Office (KSC Directorate) | - | Organizations |
| MD | MalfunctionDetection | - | Organizations |
| MD | Manual Direct | - | Organizations |
| MD | Manual Disconnect | - | Organizations |
| MD | Master Dimension | - | Organizations |
| MD | Microdot | - | Organizations |
| MD | Mission Director | - | Organizations |
| MD | Fifteen Hundred (in Roman Numerals) - Maryland (postal Symbol) -Medicinae Doctor (Doctor Of Medicine/Medical Doctor) - Mentioned In Dispatches (military) -Moldova (FIPS 10-4 Country Code; ISO 3166 Digram) | - | Astronomy |
| MD | Mendelevium | - | Astronomy |
| MD | Master Directory | - | Business and Finance |
| MD | Modernization Division | - | Business and Finance |