| Acronym | Definition |
|---|
| MCDF➣Mill City Dance Fitness (Fall River, MA) |
| MCDF➣Marxist Communist Discussion Forum (online forum) |
| MCDF➣Mehari Club de France (French: Mehari Club of France; car club) |
| MCDF➣Military Combat Defense Fund |
| MCDF➣Multiple Cause of Death Files |
| MCDF➣Microelectronic and Computer Development Fellowship |
| MCDF➣Murari Chand Debate Federation (Bangladesh) |
| MCDF➣Multi-Unit Chemoreceptor Discharge Frequency (biophysics) |