MRAU
| Acronym | Definition |
|---|---|
| MRAU | Marine Radio Affairs Unit (Department of Transport; Ireland) |
| MRAU | Mental Retardation Association of Utah (est. 1948; American Fork, UT) |
| MRAU | Message Received And Understood |
| MRAU | Member of the Royal Agricultural University (England, UK) |
| MRAU | Mutual Respect, Advocacy & Understanding (Utah) |