| B L A Z E | Blaze |
| B-Real | B-Real |
| B-spline | B-spline |
| B-wing | B-wing |
| B.E.P.C. | certificate of secondary education |
| B.P. | P.O. Box |
| BA | BA |
| Ba Gua Zhang | Baguazhang |
| Ba Than | Lethwei |
| Baa Atoll | Baa Atoll |
| Baal | Baal |
| Baal Shem Tov | Baal Shem Tov |
| Baalbek | Baalbek |
| Baarle | Baarle |
| Baasa | Baasha |
| Baastad | Baastad |
| Baatezu | Devil |
| Bab-el-Mandeb | Bab-el-Mandeb |
| Baba Dochia | Baba Dochia |
| Baba Taher | Baba Taher |
| Baba Yaga | Baba Yaga |
| Baba-Nyonya | Peranakan |
| Babak Khorramdin | Babak Khorramdin |
| Babar | Babar the Elephant |
| Babe Ruth | Babe Ruth |
| Babel | Babel |
| Babel fish | Babel fish |
| Babeth | Elizabeth |
| Babette | Pants |
| babeurre | buttermilk |
| Babidi | Babidi |
| babil | prattle |
| babillage | prattle |
| babillard | chattering |
| babillarde | babbler |
| babiller | babble |
| Babingtonite | Babingtonite |
| babiole | bauble |
| Babisme | Bábism |
| Babol | Babol |
| Babolsar | Babolsar |
| Babouchkine | Babushkin |
| babouin | baboon |
| Babouin anubis | Olive Baboon |
| Babouin de Guinée | Guinea Baboon |
| Babouin hamadryas | Hamadryas Baboon |
| Babouin jaune | Yellow Baboon |
| Babouk | Brown huntsman spider |
| Babrak Karmal | Babrak Karmal |
| Babrius | Babrius |
| Babsk | Babsk |
| Babušnica | Babušnica |
| baby | foosball |
| Baby Doll | Baby Doll |
| Baby Peggy | Diana Serra Cary |
| baby shower | baby shower |
| baby-foot | foosball |
| baby-sitter | baby sitter |
| baby-sitting | baby-sitting |
| Baby-Sittor | The Pacifier |
| Babylas | Babylas of Antioch |
| Babylon | Babylon |
| Babylon by Bus | Babylon by Bus |
| Babylon Circus | Babylon Circus |
| Babylone | Babylon |
| Babylonie | Babylonia |
| Babylonienne | Babylonian |
| babyphone | baby monitor |
| babysitting | babysitting |
| Babésiose | Babesiosis |
| Babək | Babek |
| bac | receptacle |
