| barmaid | camarera |
| barman | barman |
| barn | puesto |
| barn owl | lechuza |
| Barn owls | Tytonidae |
| barn swallow | golondrina |
| Barn-dance | Landler |
| Barnabas | Bernabé apóstol |
| barnacle | percebe |
| barnacle goose | barnacla cariblanca |
| Barnaul | Barnaúl |
| Barnaul Airport | Barnaul |
| Barnes Opening | Apertura Gedult |
| Barney Bear | Barney Bear |
| Barney Calhoun | Barney Calhoun |
| Barney Gumble | Barney Gumble |
| Barnim | Distrito de Barnim |
| barnstorm | hacer una gira |
| barnstormer | actor ambulante |
| Barntrup | Barntrup |
| barnyard | corral |
| Baroclinity | Inestabilidad baroclínica |
| barometer | barómetro |
| Barometer reading | Altura barométrica |
| barometric | barométrico |
| baron | barón |
| Baron Alexander von Bach | Alexander von Bach |
| Baron Davis | Baron Davis |
| Baron Hans Heinrich Thyssen-Bornemisza | Hans Heinrich Von Thyssen |
| Baron Haussmann | Barón Haussmann |
| Baron Münchhausen | Barón de Münchhausen |
| Baron of Rio Branco | Barón del Río Branco |
| Baron Samedi | Barón Samedi |
| Baronci altarpiece | Ángel |
| baroness | baronesa |
| Baroness Mary Vetsera | María Vetsera |
| baronet | baronet |
| baronetcy | rango de baronet |
| baronial | de barón |
| barony | baronía |
| Barool National Park | Parque Nacional Barool |
| baroque | barroco |
| Baroque architecture | Arquitectura barroca |
| Baroque dance | Danza barroca |
| Baroque music | Música barroca |
| Baroque pop | Pop barroco |
| Baroque Works | Banda Baroque |
| Barosaurus | Barosaurus |
| barque | bricbarca |
| Barquisimeto | Barquisimeto |
| Barr body | Corpúsculo Barr |
| Barra Airport | Aeropuerto de Barra |
| Barra brava | Barra brava |
| barrack | barraca |
| barracks | barracas |
| barracuda | barracuda |
| barrage | barrera |
| Barrancabermeja | Barrancabermeja |
| Barranco | Distrito de Barranco |
| Barranquilla | Barranquilla |
| Barrayar | Barrayar |
| barred | barrado |
| barred antshrike | batará barrado |
| Barred Owl | Strix varia |
| Barred spiral galaxy | Galaxia espiral barrada |
| Barreiros municipality | Barreiros |
| barrel | cañón |
| barrel organ | organillo |
| Barremian | Barremiano |
| barren | aburrido |
| Barren Strawberry | Potentilla sterilis |
| barrenness | sequía |
| Barrens | Landas |
| Barretina | Barretina |
| barrette | prendedor |
| Barri Gòtic | Barrio Gótico de Barcelona |
| barricade | obstruir |
| barrier | límite |
| barrier beach | cordón litoral |
| barrier reef | arrecife de coral |
| Barriers to entry | Barreras de entrada |
| barring | excepto |
| Barrington Tops National Park | Parque Nacional Picos Barrington |
| Barrio Fino | Barrio Fino |
| barrister | legalista |
| Barro Colorado | Barro Colorado |
| Barro Colorado Island | Barro Colorado |
| Barron River | Barron |
| barroom | bar |
| Barroso Commission | Comisión Barroso |
| Barroui | Salisbury |
| barrow | puerco |
| Barrow-downs | Quebradas de los Túmulos |
| Barry | Barry |
| Barry Boehm | Barry Boehm |
| Barry Bonds | Barry Bonds |
| Barry Levinson | Barry Levinson |
| Barry Lyndon | Barry Lyndon |
| Barry Manilow | Barry Manilow |
| Barry Nelson | Barry Nelson |
| Barsine | Barsine |
| Barsoom | Barsoom |
| Bart Berman | Bart Berman |
| Bart Gets an Elephant | Bart Gets an Elephant |
| Bart Gets an F | Bart Gets An F |
| Bart Gets Famous | Bart Gets Famous |
| Bart Gets Hit by a Car | Bart Gets Hit By A Car |
| Bart of Darkness | Bart of Darkness |
| Bart Sells His Soul | Bart Sells His Soul |
| Bart Simpson | Bart Simpson |
| Bart Simpson comics | Bart Simpson Comics |
| Bart the General | Bart the General |
| Bart the Genius | Bart the Genius |
| Bart the Mother | Bart the Mother |
| Bart the Murderer | Bart the Murderer |
| Bart-Mangled Banner | Bart-Mangled Banner |
| bartender | camarero |
| barter | permuta |
| Barthezz | Barthezz |
| Barthold Georg Niebuhr | Barthold Georg Niebuhr |
| Bartholomew | Bartolomé |
| Bartholomew Roberts | Bartholomew Roberts |
| Bartholomew the Apostle | Bartolomé el Apóstol |
| Barthélemy Charles Joseph Dumortier | Barthélemy Charles Joseph Dumortier |
| Bartimaeus | Bartimeo |
| Barting Over | Barting Over |
| Bartolomeo Ammanati | Bartolomeo Ammannati |
| Bartolomeo Carducci | Bartolomeo Carduccio |
| Bartolomeo Colleoni | Bartolomeo Colleoni |
| Bartolomeo Cristofori | Bartolomeo Cristofori |
| Bartolomeo Manfredi | Bartolomeo Manfredi |
| Bartolomeo Passarotti | Bartolomeo Passerotti |
| Bartolomeu de Gusmão | Bartolomeu Lourenço de Gusmão |
| Bartolomeu Dias | Bartolomé Díaz |
| Bartolomew | Bartolomé el Apóstol |
| Bartolommeo Bandinelli | Baccio Bandinelli |
| Bartolomé Blanche | Bartolomé Blanche |
| Bartolomé de las Casas | Bartolomé de las Casas |
| Bartolomé Esteban Murillo | Bartolomé Esteban Murillo |
| Bartolomé Mitre | Bartolomé Mitre |
| Bartolus de Saxoferrato | Bartolo de Sassoferrato |
| Barton Fink | Barton Fink |
| Bartonella | Bartonelosis |
| BartPE | BartPE |
| Bartın Province | Provincia de Bartin |
| Baruch ben Neriah | Libro de Baruc |
| Baruch Samuel Blumberg | Baruch Samuel Blumberg |
| Baruch Spinoza | Baruch Spinoza |
| Baruj Benacerraf | Baruj Benacerraf |
| Baruta Municipality | Municipio Baruta |
| Barx | Bárig |
| Barxeta | Barcheta |
| Barye | Baria |
| baryon | barión |
| Baryon star | Estrella bariónica |
| baryonic | bariónico |
| Baryonic dark matter | Materia oscura bariónica |
| Baryonyx | Baryonyx |
| Barzan Ibrahim al-Tikriti | Barzan Ibrahim al-Tikriti |
| bas relief | bajorrelieve |
| Bas-Congo | Bajo Congo |
| Bas-Intyamon | Bas-Intyamon |
| bas-relief | bajorrelieve |
| Bas-Rhin | Departamendo del Bajo Rin |
| Bas-Saint-Laurent | Bas-Saint-Laurent |
| Bas-Sassandra | Bas-Sassandra |
| Bas-Uele Province | Bajo Uele |
