| Acronym | Definition |
|---|
| MRAB➣Minicog Rapid Assessment Battery (psychology) |
| MRAB➣Multi-Resistant Acinetobacter |
| MRAB➣Multi-Resistant Acinetobacter Baumannii (bacteria) |
| MRAB➣Mining and Reclamation Advisory Board (Department of Environmental Protection; Pennsylvania) |
| MRAB➣Multi-Residential Apartment Buildings (Toronto, Ontario, Canada) |
| MRAB➣Multiple Round, Ascending Bid (auctions) |
| MRAB➣Minnesota Rules for Admission to the Bar (legal certification) |