| bruxaria | incantesimo |
| bruxedo | stregoneria |
| Bruxelas | Bruxelles |
| Bruxismo | Bruxismo |
| bruxo | strega |
| Bruxos sangue-puro | Purezza di sangue in Harry Potter |
| bruxulear | tremolare |
| bruxuleio | tremolio |
| Bruzella | Bruzella |
| Bryan Adams | Bryan Adams |
| Bryan Singer | Bryan Singer |
| Bryce Dallas Howard | Bryce Dallas Howard |
| Bryidae | Bryophyta |
| Bryndza | Formaggio |
| Bryophyta | Bryophyta |
| Bryophyta sensu lato | Bryophyta |
| Bryopsida | Bryopsida |
| Brzeszcze | Brzeszcze |
| Brás | Biagio |
| Brás de Sebaste | San Biagio |
| brâmane | bramano |
| brâmine | bramano |
| brânquia | branchia |
| Bräcke | Bräcke |
| Brändö | Brändö |
| Bräunlingen | Bräunlingen |
| Brædstrup | Brædstrup |
| Brède | La Brède |
| Bréal-sous-Vitré | Bréal-sous-Vitré |
| Bréchamps | Bréchamps |
| Brémur-et-Vaurois | Brémur-et-Vaurois |
| Bréscia | Brescia |
| Brévedent | Le Brévedent |
| Bréville | Bréville-les-Monts |
| Brévière | La Brévière |
| Brézolles | Brezolles |
| Brígida | Brigitta |
| Brígida da Suécia | Santa Brigida di Svezia |
| brócolis | broccolo |
| brônquio | bronco |
| brônzeo | bronzeo |
| Brøndby | Brøndby |
| Brønderslev | Brønderslev |
| Brønnøy | Brønnøy |
| Brørup | Brørup |
| Brühl | Brühl |
| Brütten | Brütten |
| Brăila | Brăila |
| BS | BS |
| BSC Young Boys | BSC Young Boys |
| BSOD | Blue Screen of Death |
| BT | BT |
| BTU | British thermal unit |
| Buada | Buada |
| Bubalis | Bubalus |
| Bubalus | Bubalus |
| Bubanza | Bubanza |
| Bubaste | Bubasti |
| Bubble sort | Bubble sort |
| Bubendorf | Bubendorf |
| Bubenreuth | Bubenreuth |
| Bubikon | Bubikon |
| Bubo | Bubo bubo |
| Bubo bengalensis | Bubo bengalensis |
| Bubsheim | Bubsheim |
| bucaneiro | corsaro |
| Bucara | Bukhara |
| Bucaramanga | Bucaramanga |
| Bucareste | Bucarest |
