| bloqueo | obstruction |
| Bloqueo Continental | Continental System |
| Bloqueo de Berlín | Berlin Blockade |
| Bloqueo de Wikipedia en la República Popular China | Blocking of Wikipedia in mainland China |
| bloqueo del escritor | writer's block |
| Bloqueo mutuo | Knot |
| Bloqueo SIM | SIM lock |
| bloques | logs |
| bloques de construcción | building blocks |
| Blot-Sven | Blot-Sweyn |
| Blow Up Your Video | Blow Up Your Video |
| Blu-express | Blu-express |
| Blu-ray | Blu-ray Disc |
| Blue Angels | Blue Angels |
| Blue Beat | Blue Beat Records |
| Blue Byte | Blue Byte Software |
| Blue eyed soul | Blue-eyed soul |
| Blue Gene | Blue Gene |
| Blue Mary Ryan | Blue Mary |
| Blue Ridge Mountains | Blue Ridge Mountains |
| Blue Seed | Blue Seed |
| Blue Train | Blue Train |
| Blue Velvet | Blue Velvet |
| Blue Öyster Cult | Blue Öyster Cult |
| Bluebird | Project BLUEBIRD |
| Bluebox | Blue box |
| Bluegrass | Bluegrass music |
| Blues | Blues |
| Blues británico | British blues |
| Blues clásico femenino | Classic female blues |
| Blues eléctrico | Electric blues |
| Blues estándar | Blues standard |
| Blues for the Red Sun | Blues for the Red Sun |
| Blues rock | Blues-rock |
| Bluetooth | Bluetooth |
| Bluetooth stack | Bluetooth stack |
| Bluma Zeigarnik | Bluma Zeigarnik |
| Blumenstein | Blumenstein |
| blusa | smock |
| Blutengel | Blutengel |
| Bluthner | Blüthner |
| Blériot XI | Blériot XI |
| blíster | blister pack |
| Blót | Blót |
| Blücher | German cruiser Blücher |
| Bmi | BMI |
| BMP | Windows bitmap |
| BMPs | Bone morphogenetic protein |
| BMW | BMW |
| BMW CS | BMW CS Concept |
| BMX | BMX |
| BNC | BNC connector |
| Bnei Akiva | Bnei Akiva |
| Bnei Brak | Bnei Brak |
| BNFL | BNFL |
| Bnon | Sheshi |
| Bo Diddley | Bo Diddley |
| boa | boa |
| boa constrictora | boa constrictor |
| Boabdil | Muhammad XII of Granada |
| BOAC | British Overseas Airways Corporation |
| Boaco | Boaco |
| Bob | Hati |
| Bob Abreu | Bobby Abreu |
| Bob Beamon | Bob Beamon |
| Bob Black | Bob Black |
| Bob Cousy | Bob Cousy |
| Bob de Moor | Bob de Moor |
| Bob Denard | Bob Denard |
| Bob Dylan | Bob Dylan |
| Bob el constructor | Bob the Builder |
| Bob Esponja | SpongeBob SquarePants |
| Bob Esponja Pantalones Cuadrados | SpongeBob SquarePants |
| Bob Ezrin | Bob Ezrin |
| Bob Fitzsimmons | Bob Fitzsimmons |
| Bob Geldof | Bob Geldof |
| Bob Hardy | Robert Hardy |
| Bob Hayes | Bob Hayes |
| Bob Holly | Bob Holly |
| Bob Kane | Bob Kane |
| Bob Lazar | Bob Lazar |
| Bob Marley | Bob Marley |
| Bob McAdoo | Bob McAdoo |
| Bob Pettit | Bob Pettit |
| Bob Rafelson | Bob Rafelson |
| Bob Sinclar | Bob Sinclar |
| Bob y Margaret | Bob and Margaret |
| boba | dope |
| Boba Fett | Boba Fett |
| bobadas | nonsense |
| bobalicona | dope |
| bobalicón | dope |
| Bobbejaan Schoepen | Bobbejaan Schoepen |
| Bobby Charlton | Bobby Charlton |
| Bobby Farrelly | Bobby Farrelly |
| Bobby Fischer | Bobby Fischer |
| Bobby Knight | Bob Knight |
| Bobby Moore | Bobby Moore |
| Bobby Morrow | Bobby Joe Morrow |
| Bobby Riggs | Bobby Riggs |
| Bobby Robson | Bobby Robson |
| Bobby Sands | Bobby Sands |
| Bobby Zamora | Bobby Zamora |
| Bobcat | Bobcat Company |
| bobería | foolery |
