| Bubo africanus | Bubo ascalaphus | Bubo bengalensis |
| Bubo bubo | Bubo capensis | Bubo cinerascens |
| Bubo coromandus | Bubo lacteus | Bubo magellanicus |
| Bubo nipalensis | Bubo philippensis | Bubo poensis |
| Bubo scandiaca | Bubo scandiacus | Bubo sumatranus |
| Bubo virginianus | Bubo virginianus nacurutu | Bubo vosseleri |
| Bubo zeylonensis | Bubulcus ibis | Bucanero (броварня) |
| Bucciali | Bucciali TAV 12 | Bucciali TAV 30 |
| Bucciali TAV16 Double Huit | Buccochromis | Bucconidae |
| Bucephala albeola | Bucephala clangula | Buceros bicornis |
| Bucerotidae | Buch.-Ham. | Bucharest Open |
| Buche de Noel | Buchenau | Buchet de trandafiri |
| Buck 65 | Buck the World | BUCK-TICK |
| Buck-Tick | Buckler (автовиробник) | Buckler Cars |
| Bucorvus leadbeateri | BUD13 | BUD23 |
| BUD31 | Budapest Aircraft Service | Budapest Grand Prix |
| Budapest Grand Prix 2000, одиночний розряд | Budapest Grand Prix 2002, одиночний розряд | Budapest Grand Prix 2003, одиночний розряд |
| Budapest Grand Prix 2004, одиночний розряд | Budapest Grand Prix 2005, одиночний розряд | Budapest Grand Prix 2006, одиночний розряд |
| Budapest Grand Prix 2007, одиночний розряд | Budapest Grand Prix 2008, одиночний розряд | Budapest Grand Prix 2012, одиночний розряд |
| Budapest Grand Prix 2013, одиночний розряд | Budapest Lotto Open 1996, одиночний розряд | Budapest Lotto Open 1997, одиночний розряд |
| Budapest Lotto Open 1998, одиночний розряд | Budapesti Közlekedési Központ | Budapesti Sakk-szemle |
| Buddha Air | Buddha Bar | Buddleja |
| Buddleja davidii | Buddy Bär | Buddy Bear |
| Buddy Complex | Buddy Holly | BuddyPress |
| Budgie | Budgie (альбом) | Budi uvijek blizu |
| Budka Suflera | Budorcas | Budorcas taxicolor |
| Budweiser | Budweiser (Anheuser-Busch) | Budweiser Budvar |
| Buena Vista | Buenaventura | Buenaventura (метеорит) |
| Buenos Aires | Buergeria | Buergeria buergeri |
| Buergeriinae | Buffalo Airways | Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo |
| Buffalo Daughter | Buffalo daughter | Buffalo MPV |
| Buffered FET logic | Buffet Crampon | Buffet-Crampon |
| Buffum | Bufo | Bufo ailaoanus |
| Bufo aspinius | Bufo bankorensis | Bufo bufo |
| Bufo calamita | Bufo cryptotympanicus | Bufo danatensis |
| Bufo gargarizans | Bufo luristanicus | Bufo periglenes |
| Bufo verrucosissimus | Bufo viridis | Bufonidae |
| Bufotes | Bug | Bug Bounty |
| Bug bounty program | Bug.wikipedia.org | Bugatti |
| Bugatti (команда Формули-1) | Bugatti 44 | Bugatti Automobiles S.A.S. |
| Bugatti Automobili SpA | Bugatti Chiron | Bugatti EB110 |
| Bugatti Type 101 | Bugatti Type 13 | Bugatti Type 30 |
| Bugatti Type 35 | Bugatti Type 38 | Bugatti Type 40 |
| Bugatti Type 41 | Bugatti Type 43 | Bugatti Type 44 |
| Bugatti Type 46 | Bugatti Type 49 | Bugatti Type 50 |
| Bugatti Type 54 | Bugatti Type 55 | Bugatti Type 57 |
| Bugatti Veyron | Bugatti Veyron 16.4 | Buglossidium luteum |
| Buglossoides czernjajevii | Bugs | Bugs & Bunny |
| Bugs Bunny (гурт) | Bugs Bunny in Double Trouble | Bugtraq |
| Bugz | Bugzilla | Buhaina's Delight |
| Buick | Buick Century | Buick Electra |
| Buick Enclave | Buick Encore | Buick Excelle |
| Buick LaCrosse | Buick LeSabre | Buick Regal |
| Buick Riviera | Buick Verano | Buick Y-Job |
| Build Engine | Bujurquina | Bukkanodus |
| Bukovyna Airlines | Bukowski (бронеавтомобіль) | Bula Quo! |
| Bulbocodium versicolor | Bulbophyllum minutissimum | Bulbophyllum nocturnum |
| Buldog | Bulgari | Bulgaria Air |
| Bulgarian Air Charter | Bulgarian International (бадмінтон) | Bull Lond Math Soc |
| Bull Sequana X1000 (суперкомп'ютер) | Bull-pup | Bull. |
| Bull. Lond. Math. Soc. | Bull. London Math. Soc. | Bullacephalus |
| Bullerichthys | Bullerichthys fascidens | Bullet for My Valentine |
| Bullet for my Valentine | Bullet For My Valentine | Bullet for My Valentine (EP) |
| Bullet For My Valentine (EP) | Bullet Symphony: Horns and Halos 3 | Bullet time |
| Bulletin board system | Bulletin de la Société géologique de France | Bulletin of the American Mathematical Society |
| Bulletin of the British Ornithologists’ Club | Bulletin of the London Mathematical Society | Bulletproof (саундтрек) |
| Bullets, Blunts in ah Big Bankroll | Bulletstorm | Bullfrog Productions |
| Bullimus | Bullimus gamay | Bullockia (сом) |
| Bullockia maldonadoi | Bullockornis | Bullockornis planei |
| Bullpup | Bullseye | Bully |
| Bully: Scholarship Edition | BUNCH | Bundesgesetzblatt (Німеччина) |
| Bundeshack | Bundesrat of Germany | Bundestag |
| BundesTux | Bungarus | Bungarus multicinctus |
| Bunge | Bungee jumping | Bungie Studios |
| Bunica Bate Doba | Bunny Drop | Bunobrontops |
| Bunobrontops savagei | Bunocephalus | Bunolagus |
| Bunolagus monticularis | Bunopithecus | Bunopithecus sericus |
| BUPF | Buphagus africanus | Bupleurum |
| Bupleurum aureum | Bupleurum fruticosum | Bupleurum marschallianum |
| Buprestidae | Buprestinae | Buprestis |
| Buprestis splendens | Buprestoidea | Bur-Gheluai |
| Bur-Gheluai (метеорит) | Burb. | Burbank |
| Burbank, California | Burberry | Burbrink |
| Burch. | Burchell | Bureau |
| Bureau International des Poids et Mesures | Bureau of Meteorology | Bureau of Meteorology (Australia) |
| Bureau of the Census | Burger Club | Burger King |
| BurgerCLUB | Burgtheater | Burhinidae |
| Burhinus oedicnemus | Burisma Holdings | Burj Khalifa |
| Burkholderia | Burkholderia cenocepacia | Burkholderia mallei |
| Burkholderia pseudomallei | Burkholderiaceae | Burkholderiales |
| Burlesque: Original Motion Picture Soundtrack | Burm. | Burm.f. |
| Burn | Burn (Fear Factory) | Burn (альбом Deep Purple) |
| Burn (альбом) | Burn (напій) | Burn (програма) |
| Burn in the Spotlight Tour | Burn It Down | Burn My Eyes |
| Burn the Priest | Burn the Witch (сингл Radiohead) | Burn Up |
| Burn Up Excess | Burn Up Scramble | Burn Up W |
| Burn Up! | BURN-E | Burnat |
| BURN·E | Burney (автовиробник) | Burnin' (альбом Джона Лі Гукера) |
| Burning Angel | Burning Bridges | Burning Bridges (альбом Bon Jovi) |
| Burning Down the Opera | Burning Earth (альбом) | Burning from the Inside |
