| blockera | block up |
| blockerad | congested |
| blockering | obstruction |
| blockeringar | blockages |
| blockflöjt | recorder |
| blockhus | blockhouse |
| Blockmotor | Unit construction |
| Blockröstning | Bloc voting |
| blod | blood |
| blod är tjockare än vatten | blood is thicker than water |
| Blodamarant | Amaranthus cruentus |
| blodapelsin | blood orange |
| blodavtappning | bloodletting |
| blodbad | slaughter |
| blodbank | blood bank |
