| Acronym | Definition |
|---|
| BBU➣Battery Backup Unit |
| BBU➣Bimbo Bakeries USA (Fort Worth, Texas) |
| BBU➣Battery Back-Up |
| BBU➣Backup Battery Unit (computer devices) |
| BBU➣Bad Block Unreported |
| BBU➣Boston Bluegrass Union |
| BBU➣Back Boiler Unit (residential gas central heating boiler) |
| BBU➣Borrelia Burgdorferi |
| BBU➣Balanced Body University (pilates) |
| BBU➣Billing Break-Up |
| BBU➣Better Business Unit |
| BBU➣Business Banking Unit |
| BBU➣Beefmaster Breeders United (TX, USA) |
| BBU➣Bucharest, Romania - Baneasa (Airport Code) |
| BBU➣Beam Break Up |
| BBU➣Base-Band Unit |
| BBU➣Benelux Boxing Union (Netherlands) |
| BBU➣Basic Bandwidth Unit |
| BBU➣Barter Business Unlimited, Inc. (trade exchange) |
| BBU➣Beefmaster Breeders Universal |
| BBU➣Battlin' Business Units (Dilbert) |
| BBU➣Brendon Boyd Urie (singer of Las Vegas band Panic At The Disco) |
| BBU➣Built Bright University (Phnom Penh, Cambodia) |
| BBU➣Boat Brokers USA (Connecticut) |