| Boston Red Sox | Red Sox de Boston |
| Boston Strangler | Albert Henry DeSalvo |
| Boston Symphony Orchestra | Orchestre symphonique de Boston |
| Boston Tea Party | Boston Tea Party |
| Boston terrier | Terrier de Boston |
| Boston University | Université de Boston |
| Bostrichidae | Bostrichidae |
| Bostrichiformia | Bostrichiformia |
| Bosut | Bosut |
| BosWash | BosWash |
| Boswil | Boswil |
| Bot | Bot |
| Botafogo | Botafogo Futebol Clube |
| Botafogo de Futebol e Regatas | Botafogo de Futebol e Regatas |
| botanic | botanique |
| botanical | botanique |
| botanical conservatory | jardin botanique |
| botanical garden | jardin botanique |
| Botanical Garden in Berlin | Jardin botanique de Berlin |
| Botanical Garden of the University of Coimbra | Jardin botanique de Coimbra |
| Botanical gardens | Jardin botanique |
| Botanichesky Sad | Jardin botanique |
| botanist | botaniste |
| botanize | herboriser |
| botany | botanique |
| Botany Bay | Botany Bay |
| Botargo | Poutargue |
| Botaurus | Botaurus |
| botch | ruiner |
| botch up | gâter |
| Botellón | Botellon |
| Botevgrad | Botevgrad |
| Botevo | Botevo |
| botfly | œstre |
| both | l'un et l'autre |
| Both Sides | Both sides |
| bother | souci |
| bother about | s'occuper de |
| bothersome | importun |
| Bothidae | Bothidae |
| Bothnia | Bothnie |
| Bothnian Bay | baie de Botnie |
| Bothnian Sea | mer de Botnie |
| Botho Strauß | Botho Strauss |
| Bothriechis schlegelii | Vipère de Schlegel |
| Bothrops | Bothrops |
| Bothrops alternatus | Bothrops alternatus |
| Bothrops asper | Bothrops asper |
| Bothrops atrox | Fer de lance commun |
| Bothrops insularis | Jararaca-ilhoa |
| Botia macracantha | Chromobotia macracanthus |
| Botkyrka Municipality | Commune de Botkyrka |
| Botnet | Botnet |
| Boto | Boto |
| Botocudo | Botocudos |
| Botoşani | Botoşani |
| Botoşani County | Judeţ de Botoşani |
| Botoš | Botoš |
| Botrytis cinerea | Botrytis cinerea |
| Botswana | Botswana |
| Botswana national football team | Équipe du Botswana de football |
| Botswana pula | Pula |
