| Acronym | Definition |
|---|
| JMU➣James Madison University |
| JMU➣Japan Marine United (shipbuilder) |
| JMU➣JMU Access Partnership (formerly Joint Mobility Unit; UK) |
| JMU➣Joint Monitoring Unit |
| JMU➣JMTK Utilities Segment |
| JMU➣Journal of Medical Ultrasound |
| JMU➣Jovenes por un Mundo Unido (Spanish: Youth for a United World) |