| Biósfera | Biosféra |
| bióxido de carbono | oxid uhličitý |
| Biłgoraj | Biłgoraj |
| Bjarne Stroustrup | Bjarne Stroustrup |
| Björk | Björk |
| Björn Borg | Björn Borg |
| Bjørn Lomborg | Bjørn Lomborg |
| Bjørnstjerne Bjørnson | Bjørnstjerne Bjørnson |
| Bjørnøya | Medvědí ostrov |
| Black | Černá |
| Black and Blue | Black and Blue |
| Black Celebration | Black Celebration |
| Black Flag | Black Flag |
| Black Hawk down | Válka světů |
| Black Holes and Revelations | Black Holes and Revelations |
| Black Jack | Blackjack |
| Black Sabbath | Black Sabbath |
| BlackBerry | BlackBerry |
| Blackbox | Blackbox |
| Blackburn | Blackburn |
| Blackburn Rovers Football Club | Blackburn Rovers FC |
| Blackjack | Blackjack |
| Blackpool | Blackpool |
| Blacksad | Blacksad |
| Blade Runner | Blade Runner |
| Blag | Blag |
| Blagovéshchensk | Blagověščensk |
| Blaise Pascal | Blaise Pascal |
| blanca | běloch |
| Blanca Margarita de Valois | Blanka z Valois |
| Blanca María Sforza | Bianca Marie Sforza |
| Blancanieves | Sněhurka |
| Blancanieves y los siete enanitos | Sněhurka a sedm trpaslíků |
| blanco | bílý |
| Blanco de tiro | Holub |
| blanco y negro | černobílý |
| blandir | mávat |
| blando | měkký |
| blanqueador | bělidlo |
| blanquear | bělit |
| blanquinegro | černobílý |
| blasfemar | klít |
| blasfemia | rouhání |
| blasfemo | rouhavý |
| Blasón | Znak |
| Blatta orientalis | Šváb |
| Blattodea | Švábi |
| Bled | Bled |
| Blekinge | Blekinge |
| Blender | Blender |
| Blind Guardian | Blind Guardian |
| blindar | chránit |
| Blitzkrieg | Blitzkrieg |
| Blixa Bargeld | Blixa Bargeld |
| BLOB | BLOB |
| Bloc de notas electrónico | Personal Digital Assistant |
| Bloc Party | Bloc Party |
| Bloemfontein | Bloemfontein |
| blog | blog |
| bloguear | blogovat |
| bloque | blok |
| bloque de apartamentos | blok obytných budov |
| Bloque Nuestra Ucrania-Autodefensa Popular | Naše Ukrajina |
| bloquear | ucpat |
| bloqueo | blokáda |
| Bloqueo de Berlín | Berlínská blokáda |
| Bloqueo del sistema | Pád |
| bloques de construcción | stavebnice |
| Blot-Sven | Blot-Sven |
| Blow Up Your Video | Blow Up Your Video |
| Blu-ray | Blu-ray |
| Blue Byte | Blue Byte Software |
| Blue screen of death | BSOD |
| Blueprint | Projekt |
| Blues | Blues |
| Blues rock | Blues-rock |
| Bluetooth | Bluetooth |
| Blur | Blur |
| blusa | blůza |
| BMP | BMP |
| BMW | BMW |
| boa | hroznýš |
| Bob Beamon | Bob Beamon |
| Bob Dylan | Bob Dylan |
| Bob el constructor | Bořek stavitel |
| Bob Geldof | Bob Geldof |
| Bob Marley | Bob Marley |
| Bob Sinclar | Bob Sinclar |
| Bobbejaan Schoepen | Bobbejaan Schoepen |
| Bobby Charlton | Bobby Charlton |
| Bobby Fischer | Robert J. Fischer |
| Bobigny | Bobigny |
| bobina | cívka |
