| busbestuurster | conductora de autobús |
| buschauffeur | conductor de autobús |
| Buseno | Buseno |
| bushalte | parada de autobús |
| Bushehr | Provincia de Bushehr |
| Bushido | Bushidō |
| Business intelligence | Inteligencia empresarial |
| Business school | Escuela de Negocios |
| Busiris | Busiris |
| busje | furgoneta |
| Buskerud | Buskerud |
| Busko-Zdrój | Busko-Zdrój |
| buskruit | pólvora |
| Buskruitverraad | Conspiración de la pólvora |
| Buslichting | Recogida de cartas |
| Bussard-collector | Bussard ramjet |
| Bussigny-près-Lausanne | Bussigny-près-Lausanne |
| Bussigny-sur-Oron | Bussigny-sur-Oron |
| busstation | estación de autobús |
| Busswil bei Büren | Busswil bei Büren |
| Busswil bei Melchnau | Busswil bei Melchnau |
| Bussy-Chardonney | Bussy-Chardonney |
| Bussy-sur-Moudon | Bussy-sur-Moudon |
| Bust | Bust |
| Bustanico | Bustanico |
| buste | pecho |
| bustehouder | sostén |
| Buster Keaton | Buster Keaton |
| Busto Arsizio | Busto Arsizio |
| Busuanga | Busuanga |
| Busy waiting | Spinlock |
| butaan | butano |
| butagas | gas butano |
| Butare | Butare |
| Butch Cassidy | Butch Cassidy |
| Butch Cassidy and the Sundance Kid | Dos hombres y un destino |
| Butch en femme | Butch y femme |
| Butchered at Birth | Butchered at Birth |
| Butha-Buthe | Distrito de Butha-Buthe |
| Butia yatay | Butia yatay |
| butler | mayordomo |
| Butrint | Butrinto |
| buts | abolladura |
| Butskoppen | Hyperoodon |
| Butte | Butte |
| Butten | Butten |
| Butters Stotch | Leopold Butters Stotch |
| buttler | conserje |
| Butylhydroxyanisol | BHA |
| Butylhydroxytolueen | BHT |
| buur | vecino |
| buurman | vecino |
| buurt | recinto |
| buurvrouw | vecino |
| Buxales | Buxales |
| buxus | boj |
| Buxusfamilie | Buxaceae |
| buxushout | boj |
| Buzkashi | Buzkashi |
| buzzwoord | palabra de moda |
| Buzău | Buzău |
| bv. | por ejemplo |
| Bwin | Bwin Interactive Entertainment AG |
| By The Way | By The Way |
| Byblos | Biblos |
| Bydgoszcz | Bydgoszcz |
| Bye | Bye |
| Byleist | Byleist |
| bypass | bypass |
| byte | octeto |
| Bytecode | Bytecode |
| Bytom | Bytom |
| Bytów | Bytów |
| Bytča | Distrito de Bytča |
| Byzantijns | bizantino |
| Byzantijnse Keizerrijk | Imperio Bizantino |
| Byzantijnse kunst | Arte bizantino |
| Byzantijnse muziek | Música bizantina |
| Byzantijnse Rijk | Imperio Bizantino |
| Byzantium | Bizancio |
| Báb | Báb |
| Bács-Kiskun | Bács-Kiskun |
| Bánovce nad Bebravou | Distrito de Bánovce nad Bebravou |
| Báthory | Báthory |
| bâche | lona |
| Bäk | Beck |
| Bäriswil | Bäriswil |
| Bätterkinden | Bätterkinden |
| Båstad | Båstad |
| Båtsfjord | Båtsfjord |
| bèta | beta |
