| Acronym | Definition |
|---|
| ONMS➣Optical Network Management System |
| ONMS➣Office of National Marine Sanctuaries (Silver Spring, MD) |
| ONMS➣Orbiter Neutral Mass Spectrometer (US NASA) |
| ONMS➣Open Network Management System |
| ONMS➣Optical Network Management System (Astal Point) |
| ONMS➣Opieka Nad Magicznymi Stworzeniami (Polish: Care of Magical Creatures; Harry Potter) |