| Bothe | Bothrops asper | Botinac |
| Botinec | Botinovec | Botoš |
| Botoks | Botomonij | Botosch |
| Botovo | Botox | Botpalád |
| Botra smrt | Botričnica | Botrytis bassiana |
| Botrytis cinerea | Botsvana | Botswana |
| Bottleneck | Bottom of Your Soul | Botulin |
| Botulizem | Botun | Botunja |
| Botunje | Boturići | Boturići (razločitev) |
| Boturići, Črna gora | Boturići, Srbija | Boturovina |
| Botvinik | Botykapeterd | Bouée |
| Boucher | Bouches-du-Rhône | Bouchra Ghezielle |
| Boudet | Boudhanath | Bouee |
| Boughera El Ouafi | Boughera El-Ouafi | Bougon |
| Bougonska nekropola | Bougrain | Bougue |
| Bouillargues | Bouillon | Bouillon (priimek) |
| Bouillon (razločitev) | Bouilly, Aube | Boulanger |
| Boulangerit | Boulay-Moselle | Boullé |
| Boulle | Boulogne | Boulogne-Billancourt |
| Boulogne-sur-Gesse | Boulogne-sur-Mer | Boulonjski edikt |
| Boulton Paul Defiant | Bounty (Zvezdna vrata SG-1) | Bourbach-le-Bas |
| Bourbach-le-Haut | Bourbaki | Bourbon |
| Bourbon-l'Archambault | Bourboni | Bourbriac |
| Bourdalat | Bourdeau | Bourdeaux |
| Bourdonova cev | Bourg, Gironde | Bourg-Argental |
| Bourg-Bruche | Bourg-de-Péage | Bourg-de-Peage |
| Bourg-en-Bresse | Bourg-lès-Valence | Bourg-les-Valence |
| Bourg-Saint-Andéol | Bourg-Saint-Maurice | Bourganeuf |
| Bourgeois | Bourges | Bourget |
| Bourgheim | Bourgogne | Bourgoin-Jallieu |
| Bourgtheroulde-Infreville | Bourguébus | Bourguebus |
| Bourgueil | Bourideys | Bourne |
| Bournemouth A.F.C. | Bournemouth AFC | Bourque |
| Bourret | Bourriot-Bergonce | Boussac, Creuse |
| Boussières | Boussieres | Bouteflika |
| Boutros Boutros-Ghali | Bouvetøya | Bouvetov otok |
| Bouvron, Loire-Atlantique | Bouyancy | BOV |
| BOV (TAM) | Bovan | Bovan (razločitev) |
| Bovan, Aleksinac | Bovan, Kruševac | Bovanj |
| Bovanj (razločitev) | Bovše | Bovška kotlina |
| Bovška koza | Bovška ovca | Bovški Gamsovec |
| Bovški sir | Bovec | Boven Merwede |
| Bović | Bovidae | Bovilla |
| Bovinae | BOVP | Bowenov kristalizacijski niz |
| Bowerbank | Bowles | Bowman proti Veliki Britaniji |
| Bowman proti Združenem kraljestvu | Bowman vs. UK | Bowmanova kapsula |
| Bowmanova ovojnica | Bowmore | Bownova terapija |
| Bowrain | Box boops | Box canariensis |
| Box Office Mojo | Box vulgaris | Boxer |
| Boy (album) | Boy Hayje | Boy-Bulok |
| Boyajianina zvezda | Boybuloq | Boyd |
| Boyjeva ploskev | Boyle | Boyle-Marriotov zakon |
| Boylov zakon | Boyne (reka) | Boys (pesem, Britney Spears) |
| Bozeg | Bozen | Bozic |
| Bozoljin | Bozon | Bozon W |
| Bozon Z | Bozoni W in Z | Bozoni W' in Z' |
| Bozoni X in Y | Bozouls | Bozsok |
| Bozzai | Bozzetto | Bp |
| BP | BP (razločitev) | BPM |
| BPMI | BPMN | BPN (identifikator) |
| BPPV | Bq | BQ |
| BQL | Br | BR |
| BR-230 | Bra (sir) | Braşov |
| Brač | Bračak | Bračan |
| Bračev kanal | Bračevci | Bračević |
| Bračič | Bračičeva brigada | Brački kanal |
| Bračko | Bračna vas | Brašina |
| Braški preliv | Brašljevica | Braćak |
| Braćani | Braćeni | Braćevac |
| Braćevci | Brabançonne | Brabanconne |
| Brabantska gotika | Brabham | Brabham BT19 |
| Brabham BT24 | Brabham BT44 | Brabham BT46 |
| Brabham BT49 | Brabham BT52 | Brabham BT53 |
| Brabham BT55 | Brabham Racing Organisation | Bracera |
| Brachinus crepitans | Brachiopoda | Brachygadus minutus |
| Brachypelma smithi | Brachypelma vagans | Brachytron |
| Brachytron pratense | Brachyura | Bracieux |
| Braco Doblekar | Braco Koren | Braco Rotar |
| Braconnier | Brad Buetow | Brad Delson |
| Brad May | Brad McCrimmon | Brad Peacock |
| Brad Pitt | Brada | Bradač |
| Bradač (priimek) | Bradač (riba) | Bradačev potok |
| Bradarac | Bradarac (razločitev) | Bradarac, Aleksinac |
| Bradarac, Požarevac | Bradata sova | Bradavičar |
| Bradavičarica | Bradavičarka | Bradavičasti odrastek |
| Bradavica (razločitev) | Bradbury | Braddon |
| Bradeško | Bradić | Bradikinin |
| Bradizeizem | Bradley | Bradley (priimek) |
| Bradley Cooper | Bradley Edward Manning | Bradley Manning |
| Bradley Stinger Fighting Vehicle | Bradlja | Bradodrev |
| Brady Corbet | Brașov | Bragg |
| Braggov pogoj | Braggov uklon | Braggov zakon |
| Braggova enačba | Braggova krivulja | Braggovo sipanje |
| Braginska | Braginski | Bragoc |
| Brahe | Brahek | Brahialna arterija |
| Brahialna mišica | Brahialni pletež | Brahim Díaz |
| Brahin (meteorit) | Brahinit | Brahioradialna mišica |
| Brahiradioterapija | Brahistohrona | Brahistokrona |
| Brahistrokrona | Brahiterapija | Brahma |
| Brahmagupta | Brahmagupta-Fibonaccijeva enakost | Brahmaguptov izrek |
