| Acronym | Definition |
|---|
| MJRA➣Michael Jantzi Research Associates, Inc. |
| MJRA➣Midwest Junior Rowing Association |
| MJRA➣Mid Jersey Respiratory Associates |
| MJRA➣Marana Junior Rodeo Association (Arizona) |
| MJRA➣Monarticular Juvenile Rheumatoid Arthritis |
| MJRA➣Modified Joint Regression Analysis (agricultural science) |