| Acronym | Definition |
|---|
| MJRC➣Michigan Jazz Record Collectors |
| MJRC➣Mercer Junior Rowing Club (New Jersey) |
| MJRC➣Messianic Jewish Rabbinical Council (West Haven, CT) |
| MJRC➣Missouri Junior Rodeo Circuit (Monett, MO) |
| MJRC➣Moscow Jewish Religious Community (Moscow, Russia) |