| Acronym | Definition |
|---|
| MRB➣Martinsburg, WV (regional airport) |
| MRB➣Malaysian Rubber Board |
| MRB➣Missing Right Bracket |
| MRB➣Multiple Resolution Bitmap |
| MRB➣Major River Basin |
| MRB➣Material Review Board |
| MRB➣Maintenance Review Board (Commercial Aircraft Industry and FAA) |
| MRB➣Media Resource Broker (software) |
| MRB➣Medical Review Board |
| MRB➣Mortgage Revenue Bonds (secondary mortgage financial instrument) |
| MRB➣Marijuana Related Business |
| MRB➣Merit Review Board (various organizations) |
| MRB➣Multiple-Resolution Bitmap |
| MRB➣Management Review Board |
| MRB➣Mississippi River Bridge (Illinois and Missouri Departments of Transportation) |
| MRB➣Meal Replacement Bar (nutrition) |
| MRB➣Material Record Book (various companies) |
| MRB➣Main Rotor Blade |
| MRB➣Mystic Roots Band (band) |
| MRB➣Marine Royale Britannique (French: British Royal Navy) |
| MRB➣Motorized Rifle Battalion |
| MRB➣Mooring Riser Buoy (off-shore oil production) |
| MRB➣Merit Rating Board (Massachusetts) |
| MRB➣Mission Requirements Board |
| MRB➣Massachusetts Rating Bureau |
| MRB➣Maximum Reservable Bandwidth |
| MRB➣Marinated Raw Breaded (chicken) |
| MRB➣Melbourne Rainbow Band (Melbourne, Australia) |
| MRB➣Mouse Rebinder (program for changing mouse keys) |
| MRB➣Manual Resuscitation Bag |
| MRB➣Manufacturing Record Book |
| MRB➣Most Reliable Basis |
| MRB➣Malfunction Review Board |
| MRB➣Mandrivausers Romanian Backports (Mandrivausers Romania Project) |
| MRB➣Muslim Royal Brotherhood |
| MRB➣Management Reserve Budget |
| MRB➣Mike Renick Band (Cape Girardeau, MO band) |
| MRB➣Message Relay Box |
| MRB➣Master Reference Buoy |
| MRB➣MADS Resource Board |
| MRB➣Medical Recruiting Brigade (US Army) |
| MRB➣Master Record Boot |
| MRB➣Medium Response Boat |
| MRB➣Materiel Requirements Branch |