| Acronym | Definition |
|---|
| MPBR➣Master Partition Boot Record |
| MPBR➣Maximum Point Blank Range |
| MPBR➣More Principles Based Regulation (UK) |
| MPBR➣Multi-Purpose Bomb Rack (US Navy) |
| MPBR➣Modular Pebble Bed Reactor |
| MPBR➣Monsieur Pit Bull Rescue, Inc. (est. 2006; Nevada) |
| MPBR➣Mass Participation Bike Ride (UK) |