| Acronym | Definition |
|---|
| OMAT➣Ordine Martinista Antico e Tradizionale (Italian: Ancient and Traditional Martinist Order) |
| OMAT➣Overseas Medical Assistance Team (East Norwich, NY) |
| OMAT➣Operability and Maintainability Analysis Technique (Earth Moving Equipment Safety Round Table) |
| OMAT➣Overseas Medical Admission Test (various locations) |
| OMAT➣Optimization & Machine Automation Technology |
| OMAT➣Overseas Mauritians Aid Trust (UK) |
| OMAT➣Office of Manpower Automation & Training |
| OMAT➣Office of Manpower & Automatic Training |