MJD
MJD is an abbreviation for:
- Jaques -Dalcroze method, music education method that provides the rhythmic movement in the foreground, see Rhythmic Gymnastics
- Modified Julian Date, one in the International Geophysical Year (1957 /58) introduced by the Smithsonian Institution timescale for the chronology and Geosciences
- Muslim Youth in Germany eV, a registered charity, based in Berlin
- Disambiguation
- Abbreviation