| blazer | blazer |
| blazer (paletó esporte) | good-night |
| Bleak House | Bleak House |
| blecaute | blackout |
| Bleda | Bleda |
| Bleed Like Me | Bleed Like Me |
| Bleicherode | Bleicherode |
| Bleiken bei Oberdiessbach | Bleiken bei Oberdiessbach |
| Blekinge | Blekinge County |
| Blender | Blender |
| Blender Foundation | Blender Foundation |
| Blenio | Blenio |
| Blera | Blera |
| Blessagno | Blessagno |
| Bletilla | Bletilla |
| Blida | Blida |
| Blind Guardian | Blind Guardian |
| Blind Willie Johnson | Blind Willie Johnson |
| blindado | armor-plated |
| blindagem | armor |
| blitz | bust |
| Blitz Basic | Blitz BASIC |
| Blitzball | Blitzball |
| Blitzingen | Blitzingen |
| Blitzkrieg | Blitzkrieg |
| BLOB (Binary Large Object) | BLOBo |
| Bloc Party | Bloc Party |
| blocausse | blockhouse |
| bloco | pad |
| bloco (de papel)l) | padso |
| Bloco carnavalesco | Blocos |
| Bloco da tabela periódica | Periodic table block |
| Bloco de Esquerda | Left Bloc |
| Bloco de Leste | Eastern Bloc |
| Bloco de notas | Memo pad |
| bloco de papel | pad |
| bloco de partida | starting block |
| bloco de rascunho | notepad |
| bloco do leste | Eastern bloc |
| Bloco Nacionalista Galego | Galician Nationalist Bloc |
| bloco oriental | Eastern bloc |
| bloco xilográfico | woodcut |
| Bloco yen | Greater East Asia Co-Prosperity Sphere |
| Bloco-notas | Notebook PC |
| Bloemfontein | Bloemfontein |
| blog | weblog |
| Blogcast | Blogcast |
| blogosfera | blogosphere |
| blogue | blog |
| blogueiro | blogger |
| bloguista | blogger |
| Blois | Blois |
| Blomberg | Blomberg |
| Blonay | Blonay |
| Blondi | Blondi |
| Blood and Sand | Blood and Sand |
| Blood-Rooted | Blood Rooted |
| Bloodhound Gang | Bloodhound Gang |
| Bloody Mary | Bloody Mary |
