OMU
| Acronym | Definition |
|---|---|
| OMU | Optical Multiplex Unix |
| OMU | Offender Management Unit (various locations) |
| OMU | Oh My Universe |
| OMU | Originalfassung Mit Untertiteln (German: original language with subtitles) |
| OMU | Ostiomeatal Unit |
| OMU | Other Minority Universities |
| OMU | One-Male Unit (primate studies) |
| OMU | Operations and Maintenance Unit |
| OMU | Operational Mock Up |
| OMU | Optical Multiplexing Unit |