MJD
MJD is an abbreviation for:
- Method Jaques-Dalcroze , music-pedagogical method that puts rhythmic movement in the foreground, see rhythmic gymnastics
- Modified Julian Date , a time scale for chronology and earth sciences introduced by the Smithsonian Institution in the International Geophysical Year (1957/58)
- Muslim Youth in Germany eV, a registered association, based in Berlin