| batallar | fight |
| Batallas de Jarkov | Battle of Kharkov |
| Batallas de la Guerra Civil Estadounidense | List of American Civil War battles |
| Batallas de Narvik | Battles of Narvik |
| Batallas de Ypres | Battle of Ypres |
| batallón | battalion |
| Batallón Abraham Lincoln | Abraham Lincoln Brigade |
| Batallón Louise Michel | Louise Michel Battalions |
| Batallón Mackenzie-Papineau | Mackenzie-Papineau Battalion |
| Batallón Sagrado de Tebas | Sacred Band of Thebes |
| batarda | batard |
| batará alirrufo | rufous-winged antshrike |
| batará amazónico | Amazonian antshrike |
| batará barrado | barred antshrike |
| batará ceniciento | blackish-gray antshrike |
| batará collarejo | collared antshrike |
| batará copetón | tufted antshrike |
| batará crestado | silvery-cheeked antshrike |
| batará crestibarrado | bar-crested antshrike |
| batará crestinegro | black-crested antshrike |
| batará de Castelnau | Castelnau's antshrike |
| batará de Chapman | Chapman's antshrike |
| batará de Cocha | Cocha antshrike |
| batará dorsicastaño | chestnut-backed antshrike |
| batará estrellado | spot-winged antshrike |
| batará gorginegro | black-throated antshrike |
| batará goteado | spot-backed antshrike |
| batará Guayanés | band-tailed antshrike |
| batará hombroblanco | white-shouldered antshrike |
| batará insigne | streak-backed antshrike |
| batará lineado | fasciated antshrike |
| batará luctuoso | glossy antshrike |
| batará mayor | great antshrike |
| batará montano | upland antshrike |
| batará negro | black antshrike |
| batará negruzco | black-hooded antshrike |
| batará ondulado | undulated antshrike |
| batará pechinegro | white-bearded antshrike |
| batará pizarroso Boliviano | Bolivian slaty antshrike |
| batará pizarroso de Sooretama | Sooretama slaty antshrike |
| batará unicolor | uniform antshrike |
| batará variable | variable antshrike |
| Batasuna | Batasuna |
| batata | sweet potato |
| Batavios | Batavians |
| bate | bat |
| batea | flatcar |
| bateador | batsman |
| Bateau-Lavoir | Le Bateau-Lavoir |
| batel | skiff |
| batella | battle |
| bateo | batting |
| baterista | drummer |
| batería | battery |
| Batería de Bagdad | Baghdad Battery |
| Batería de cocina | Cooking battery |
| Batería de iones de litio | Lithium-ion battery |
| Batería de limón | Lemon battery |
| batería eléctrica | electric battery |
| Batería inercial | Flywheel energy storage |
| bateríade cocina | kitchenware |
| baterías | battery |
| Bath | Bath |
| batiburrillo | hodgepodge |
| Baticueva | Batcave |
| batida | bust |
| Batidaceae | Batis |
| batido | strike |
