JMU
| 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) |