| Bubo bubo | Bubo coromandus | Bubo scandiacus |
| Bubo virginianus | BuBu ChaCha | Bubulcus ibis |
| Bucanetes mongolicus | Buccinidae | Buccinoidea |
| Buccochromis atritaeniatus | Buccochromis heterotaenia | Buccochromis lepturus |
| Buccochromis nototaenia | Buccochromis oculatus | Buccochromis rhoadesii |
| Buccochromis spectabilis | Bucconidae | Bucephala clangula |
| Buceros | Buceros bicornis | Buceros rhinoceros |
| Bucerotidae | Buch | Buch bei Jenbach |
| Buch-Geiseldorf | Buch.-Ham. | Buchanan, North Dakota |
| Buchanania | Buchanania arborescens | Buchanania latifolia |
| Buchanania microphylla | Buchanania yunnanensis | Bucharest |
| Buchbach | Bucherer-Bergs反应 | Bucherer反应 |
| Bucherer咔唑合成 | Bucherer–Bergs反应 | Buchkirchen |
| Buchloe | Buchloe dactyloides | Buchmann Galerie |
| Buchnera aphidicola | Buchnera cruciata | Buchner扩环反应 |
| Buchwald-Hartwig偶联反应 | Buchwald-Hartwig反应 | Buchwald-Hartwig胺化反应 |
| Buchwald反应 | Buchwald–Hartwig偶联反应 | Buck Showalter |
| Buck-boost變換器 | Buck-boost轉換器 | BUCK-TICK |
| Buckethead | Buck轉換器 | Buckinghamshire |
| Buckland, Alaska | Bucklandiella heterosticha | Bucklandiella sudetica |
| Buckleya | Buckleya graebneriana | Buckleya lanceolata |
| Buckwheat | Bucky木場 | Bucorvus leadbeateri |
| Bucos | BUCT | Bucyrus, North Dakota |
| Bud Abbott | Budapest | Budapest Ferenc Liszt International Airport |
| Budcat Creations | Budd Company | Budd-Chiari syndrome |
| Budd–Chiari syndrome | Buddhi | Buddhism |
| Buddleja | Buddleja adenantha | Buddleja alata |
| Buddleja albiflora | Buddleja alternifolia | Buddleja asiatica |
| Buddleja brachystachya | Buddleja candida | Buddleja caryopteridifolia |
| Buddleja colvilei | Buddleja crispa | Buddleja curviflora |
| Buddleja davidii | Buddleja delavayi | Buddleja fallowiana |
| Buddleja forrestii | Buddleja hastata | Buddleja heliophila |
| Buddleja limitanea | Buddleja lindleyana | Buddleja macrostachya |
| Buddleja madagascariensis | Buddleja myriantha | Buddleja nivea |
| Buddleja officinalis | Buddleja paniculata | Buddleja purdomii |
| Buddleja taliensis | Buddleja wardii | Buddleja yunnanensis |
| Buddy | BUDDY | Buddy Buddy |
| BUDDY COMPLEX | Buddy Holly | BUDDYFIGHT |
| Budge Marjorie Archibald | Budge Marjorie Wilson | Budge Wilson |
| Budhist | Budorcas taxicolor | Buellton, California |
| Buena Park, California | Buena Vista Pictures | Buena Vista, Colorado |
| Buenópolis | Bueno Brandão | Buenos Aires |
| Buerarema | Buerger病 | Buergeria japonica |
| Buergeria otai | Buergeria oxycephalus | Buergeria robusta |
| Buff | Buff (computer gaming) | Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo |
| Buffalo Gap, South Dakota | Buffalo Springfield | Buffalo, North Dakota |
| Buffalo, South Dakota | Buffalo, Wyoming | Buffet |
| Buffet Crampon | BUFFY | Buffy |
| Buffy the Vampire Slayer | Buffy the Vampire Slayer (TV series) | Bufo |
| Bufo ailaoanus | Bufo alvarius | Bufo americanus |
| Bufo bankorensis | Bufo baxteri | Bufo bufo |
| Bufo cryptotympanicus | Bufo gargarizans | Bufo japonicus |
| Bufo marinus | Bufo melanostictus | Bufo pageoti |
| Bufo stejnegeri | Bufo tibetanus | Bufo tuberculatus |
| Bufo viridis | Bufoceratias shaoi | Bufoceratias thele |
| Bufoceratias wedli | Bufonaria crumena | Bufonaria echinata |
| Bufonaria elegans | Bufonaria margaritula | Bufonaria perelegans |
| Bufonaria rana | Bufonidae | Bug |
| BUG | Bug Hall | Bugatti |
| Bugatti Chiron | Bugatti Veyron 16.4 | BUG也無妨 |
| BugBug | Bugeranus | Bugeranus carunculatus |
| Buglossidium luteum | Buglossoides | Buglossoides arvensis |
| Buglossoides purpurocaerulea | Buglossoides zollingeri | Bugre |
| Bugs Bunny | Bugsy Siegel | Bugzilla |
| BugZilla | Buhid | Buick |
| Build (开发者大会) | Build (developer conference) | Build automation |
| Build Your Own Cloud | Building construction | Buildroot |
| Buitreraptor | BUIW | Bujurquina apoparuana |
| Bujurquina cordemadi | Bujurquina eurhinus | Bujurquina hophrys |
| Bujurquina huallagae | Bujurquina labiosa | Bujurquina mariae |
| Bujurquina megalospilus | Bujurquina moriorum | Bujurquina oenolaemus |
| Bujurquina ortegai | Bujurquina peregrinabunda | Bujurquina robusta |
| Bujurquina syspilus | Bujurquina tambopatae | Bujurquina vittata |
| Bujurquina zamorensis | Buk | Buk missile system |
| Buk导弹 | Bukkake | Bukkake Jukujo |
| Bulava (missile) | Bulb of vestibule | Bulbonaricus brauni |
| Bulbonaricus brucei | Bulbonaricus davaoensis | Bulbophyllum |
| Bulbophyllum affine | Bulbophyllum albociliatum | Bulbophyllum ambrosia |
| Bulbophyllum amplifolium | Bulbophyllum andersonii | Bulbophyllum aureolabellum |
| Bulbophyllum bicolor | Bulbophyllum bittnerianum | Bulbophyllum bomiense |
| Bulbophyllum brevispicatum | Bulbophyllum cariniflorum | Bulbophyllum caudatum |
| Bulbophyllum cauliflorum | Bulbophyllum chinense | Bulbophyllum chitouense |
| Bulbophyllum chondriophorum | Bulbophyllum colomaculosum | Bulbophyllum corallinum |
| Bulbophyllum crassipes | Bulbophyllum cruentum | Bulbophyllum cylindraceum |
| Bulbophyllum delitescens | Bulbophyllum drymoglossum | Bulbophyllum elatum |
| Bulbophyllum electrinum | Bulbophyllum emarginatum | Bulbophyllum eublepharum |
| Bulbophyllum fenghuangshanianum | Bulbophyllum fimbriperiantium | Bulbophyllum fordii |
| Bulbophyllum formosanum | Bulbophyllum forrestii | Bulbophyllum funingense |
| Bulbophyllum gongshanense | Bulbophyllum griffithii | Bulbophyllum guttulatum |
| Bulbophyllum gymnopus | Bulbophyllum hainanense | Bulbophyllum haniffii |
| Bulbophyllum hastatum | Bulbophyllum helenae | Bulbophyllum henanense |
| Bulbophyllum hirtum | Bulbophyllum hirundinis | Bulbophyllum insulsoides |
| Bulbophyllum insulsum | Bulbophyllum japonicum | Bulbophyllum khaoyaiense |
| Bulbophyllum khasyanum | Bulbophyllum kuanwuensis | Bulbophyllum kwangtungense |
| Bulbophyllum ledungense | Bulbophyllum leopardinum | Bulbophyllum levinei |
| Bulbophyllum linchianum | Bulbophyllum longibrachiatum | Bulbophyllum macraei |
| Bulbophyllum melanoglossum | Bulbophyllum menghaiense | Bulbophyllum menglunense |
| Bulbophyllum nigrescens | Bulbophyllum obtusangulum | Bulbophyllum odoratissimum |
| Bulbophyllum omerandrum | Bulbophyllum orientale | Bulbophyllum otoglossum |
| Bulbophyllum pecten-veneris | Bulbophyllum pectenveneris | Bulbophyllum pectinatum |
