| Baby Doll | Baby doll |
| Babyface | Babyface |
| Babyrousa babyrussa | Babirussa |
| baca | bagażnik |
| bacalao | dorsz |
| bacanal | orgia |
| bacanales | bachanalia |
| bacante | bachantka |
| bacarrá | bakarat |
| Bacary Sagna | Bacary Sagna |
| bacará | bakarat |
| Baccio Bandinelli | Baccio Bandinelli |
| bacha | niedopałek |
| Bachillerato Internacional | Matura międzynarodowa |
| Bachillerato superior | Liceum ogólnokształcące |
| Bachivillers | Bachivillers |
| Bacillus anthracis | Wąglik |
| Bacillus Calmette-Guerin | BCG |
| Bacilly | Bacilly |
| bacilo | laseczka |
| bacineta | nocnik |
| bacinica | nocnik |
| bacinilla | nocnik |
| Back defensivo | Defensive back |
| Back For Good | Back For Good |
| Back In Black | Back in Black |
| Back to Basics | Back to Basics |
| Back to Bedlam | Back to Bedlam |
| Back to Black | Back to Black |
| Back to the Egg | Back To The Egg |
| Backbeat | Backbeat |
| backgammon | tryktrak |
| Backmasking | Backmasking |
| Backstreet Boys | Backstreet Boys |
| Backup | Kopia bezpieczeństwa |
| Backus-Naur form | Notacja BNF |
| baclava | bakława |
| Baco | Bachus |
| bacon | bekon |
| bacteria | bakteria |
| bacteria coliforme | bakterie Coli |
| bacteria fecal | mikroorganizmy w fekaliach |
| Bacteria Gram negativa | Bakterie Gram-ujemne |
| Bacteria Gram positiva | Bakterie Gram-dodatnie |
| bacteriano | bakteryjny |
| bacterias | bakterie |
| bactericida | bakteriobójczy |
| bactericidas | bakteriocyd |
| bacterioclorofila | bakteriochlorofil |
| bacteriología | bakteriologia |
| Bacteriófago | Bakteriofag |
| bacterióloga | bakteriolog |
| bacteriólogo | bakteriolog |
| Bactriana | Baktria |
| Bactrosaurus | Baktrozaur |
| Baculoviridae | Bakulowirusy |
| Baculum | Kość prącia |
| bacán | fajny |
| bacín | basen |
| Bacólod | Bacolod |
| bacón | bekon |
| Bacău | Bacău |
| Bad Blankenburg | Bad Blankenburg |
| Bad Boy Records | Bad Boy Records |
| Bad Brains | Bad Brains |
| Bad Doberan | Bad Doberan |
| Bad Ems | Ems |
| Bad Gastein | Badgastein |
| Bad Harzburg | Bad Harzburg |
| Bad Hersfeld | Bad Hersfeld |
| Bad Kreuznach | Powiat Bad Kreuznach |
| Bad Königshofen im Grabfeld | Bad Königshofen im Grabfeld |
| Bad Liebenwerda | Bad Liebenwerda |
| Bad Mergentheim | Bad Mergentheim |
| Bad Religion | Bad Religion |
| Bad Taste | Zły smak |
| Bad Tölz-Wolfratshausen | Powiat Bad Tölz-Wolfratshausen |
| Bad Wiessee | Bad Wiessee |
| Bad Wimpfen | Bad Wimpfen |
| Bad Wörishofen | Bad Wörishofen |
| Badajoz | Badajoz |
| Badalona | Badalona |
