| BBR | A Boiling Beer Reactor 
| Others |
| BBR | Back Bouncing Rod
| Others |
| BBR | Backbone Ring
| Others |
| BBR | Bad Block Relocation
| Others |
| BBR | Bad Block Reported
| Others |
| BBR | Balanced Budget Rule
| Others |
| BBR | Bank Buying Rate
| Others |
| BBR | Bankers Buying Rate
| Others |
| BBR | Base Binding Region
| Others |
| BBR | Baseline Budget Revision
| Others |
| BBR | Basic Backup and Recovery
| Others |
| BBR | Basic Bold Round
| Others |
| BBR | Bass Boost Right
| Others |
| BBR | Basses Terre, French Antilles
| Others |
| BBR | Battery Backed Ram
| Others |
| BBR | Battlefield Blank Round
| Others |
| BBR | Beauty Biz Roundtable
| Others |
| BBR | Beazley Breach Response
| Others |
| BBR | Becky Bonnell Rozales
| Others |
| BBR | Bending Beam Rheometer
| Others |
| BBR | Berry Bros Rudd
| Others |
| BBR | Best Bank Rate
| Others |
| BBR | Better Barrel Races
| Others |
| BBR | Better Bring Roses
| Others |
| BBR | Bicoid Binding Region
| Others |
| BBR | Big Bait Rod
| Others |
| BBR | Big Bald Ranger
| Others |
| BBR | Big Beefy Rail
| Others |
| BBR | Big Black Rabbit
| Others |
| BBR | Big Blue Rocket
| Others |
| BBR | Black and Blue Review
| Others |
| BBR | Black Beauty Ranch
| Others |
| BBR | Black Brick Road
| Others |
| BBR | Bleu Blanc Rouge
| Others |
| BBR | Blonde Brunette Redhead
| Others |
| BBR | Blondes Brunettes and Redheads
| Others |
| BBR | Blondes Brunettes Redheads
| Others |
| BBR | Blues Brothers Racing
| Others |
| BBR | BNF Base Rate
| Others |
| BBR | Bonneville Brougham
| Others |
| BBR | BOSH Backup and Restore
| Others |
| BBR | Bottleneck Bandwidth and Round
| Others |
| BBR | Bottleneck Bandwidth and RTT
| Others |
| BBR | Boy Boy Relationship
| Others |
| BBR | Boys Brotherhood Republic
| Others |
| BBR | Broadband Router
| Others |
| BBR | Brodie Britain Racing
| Others |
| BBR | Broken Bow Records
| Others |
| BBR | Broken/Burned Beyond Repair
| Others |
| BBR | Browning Bolt Rifle
| Others |
| BBR | Buccaneer Board Riders
| Others |
| BBR | Buffalo Bills Review
| Others |
| BBR | Building a Better Response
| Others |
| BBR | Bureau of Biologics and Radiopharmaceuticals
| Others |
| BBR | Bureau of Business Research
| Others |
| BBR | Burning Blade Rogues
| Others |
| BBR | Buzzards Bay Regatta
| Others |