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 - Spanish surnames by initial letter
 
These last names have appeared during the ancestry investigations carried out for our clients, so that the list is constantly updated.
 
Contact us for more information on any surname that is or is not on the list.
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| Babier | 
| Baca | 
| Bacaicua | 
| Bacas | 
| Bacelar | 
| Bach | 
| Bachs | 
| Badal | 
| Badals | 
| Badanao | 
| Badenes | 
| Badia | 
| Badiellas | 
| Badiola | 
| Badosa | 
| Baena | 
| Baeza | 
| Bafalluy | 
| Bagur | 
| Bahamonde | 
| Baigorri | 
| Bail | 
| Baiona | 
| Baixauli | 
| Bajo | 
| Bajona | 
| Bal | 
| Balabasquer | 
| Balaguer | 
| Balagueró | 
| Balanza | 
| Balao | 
| Balasch | 
| Balat | 
| Balberde | 
| Balboa | 
| Balbuena | 
| Balbás | 
| Balbín | 
| Balcada | 
| Balda | 
| Baldellou | 
| Baldich | 
| Baldo | 
| Baldor | 
| Baldoví | 
| Balencia | 
| Balerdi | 
| Ballará | 
| Ballarín | 
| Ballber | 
| Balle | 
| Ballejo | 
| Ballejos | 
| Ballescar | 
| Ballesta | 
| Ballester | 
| Ballestero | 
| Ballesteros | 
| Balli | 
| Ballina | 
| Balltondre | 
| Ballver | 
| Balmes | 
| Balsas | 
| Balsells | 
| Balsera | 
| Baltar | 
| Balvís? | 
| Balzategui | 
| Bandera | 
| Banderas | 
| Bandín | 
| Bango-Redal | 
| Bao | 
| Baos | 
| Baquero | 
| Bar | 
| Bara | 
| Barahona | 
| Baraibar | 
| Barajas | 
| Barallobre | 
| Barambio | 
| Baranda | 
| Barandalla | 
| Barandica | 
| Baraona | 
| Baras | 
| Baratau | 
| Barba | 
| Barbado | 
| Barbany | 
| Barbara | 
| Barber | 
| Barbero | 
| Barberá | 
| Barbosa | 
| Barca | 
| Barcala | 
| Barceló | 
| Barcenilla | 
| Barcina | 
| Barco | 
| Bardanca | 
| Bardina | 
| Bardolet | 
| Barea | 
| Barela | 
| Bargalló | 
| Bargas | 
| Bargay | 
| Barlow | 
| Barona | 
| Barquero | 
| Barquetas | 
| Barquilla | 
| Barquín | 
| Barrado | 
| Barragán | 
| Barral | 
| Barranco | 
| Barrancos | 
| Barrasa | 
| Barraycoa | 
| Barraycoa-Arrubal | 
| Barraycua | 
| Barredo | 
| Barreiro | 
| Barreiros | 
| Barrena | 
| Barrenechea | 
| Barrenechea-Arando | 
| Barreno | 
| Barrera | 
| Barreras | 
| Barrero | 
| Barreyro | 
| Barreñada | 
| Barricart | 
| Barricat | 
| Barrientos | 
| Barriga | 
| Barrio | 
| Barrionuevo | 
| Barrios | 
| Barriuso | 
| Barroeta | 
| Barros | 
| Barroso | 
| Barrueso | 
| Barrès | 
| Bartholomé | 
| Bartolomé | 
| Bartomé | 
| Bartra | 
| Bartrina | 
| Bartrolí | 
| Bartrull | 
| Bartual | 
| Baró | 
| Barón | 
| Bas | 
| Basalduaga | 
| Basallo | 
| Basco | 
| Basconcillos | 
| Baselga | 
| Baseta | 
| Basets | 
| Basoa | 
| Basoba | 
| Basobilbaso | 
| Basobilbaso-Urízar | 
| Basoco | 
| Basora | 
| Bassa | 
| Bassas | 
| Bassols | 
| Bastardo | 
| Bastarós | 
| Basteiro | 
| Basterechea | 
| Basterra | 
| Basterrechea | 
| Bastida | 
| Basulto | 
| Basurto | 
| Basós | 
| Batalla | 
| Bataller | 
| Batanero | 
| Batarrita | 
| Batista | 
| Batlle | 
| Batllori | 
| Batriu | 
| Baucells | 
| Bauset | 
| Bausili | 
| Bautista | 
| Bauzá | 
| Bayarri | 
| Bayo | 
| Bayolo | 
| Bayona | 
| Bayán | 
| Bayón | 
| Bazo | 
| Bazán | 
| Bañares | 
| Baño | 
| Beceiro | 
| Becerra | 
| Becerril | 
| Bech | 
| Bedate | 
| Bedmar | 
| Begiga | 
| Begudà | 
| Beiga | 
| Beiro | 
| Beitiolacoa | 
| Bejarano | 
| Bel | 
| Bela | 
| Belandia | 
| Belaostegui | 
| Belarra | 
| Belasco | 
| Belategui | 
| Belbis | 
| Belchí | 
| Belda | 
| Belderrain | 
| Bellido | 
| Bello | 
| Belloso | 
| Bellver | 
| Bellón | 
| Belmar | 
| Belmonte | 
| Belo | 
| Beloso | 
| Beltran | 
| Belázquez | 
| Benabent | 
| Benages | 
| Benau | 
| Benavent | 
| Benavente | 
| Benavides | 
| Bencomo | 
| Benedi | 
| Benedico | 
| Benedid | 
| Benedite | 
| Benedé | 
| Benegas | 
| Beneite | 
| Beneito | 
| Benet | 
| Bengoa | 
| Bengochea | 
| Bengoechea | 
| Benito | 
| Benito-Blanes | 
| Benlloch | 
| Bennassar | 
| Bennáasar | 
| Bentero | 
| Bentura | 
| Benzal | 
| Benítez | 
| Bera | 
| Berasategui | 
| Beraterbide | 
| Beraza | 
| Berbedel | 
| Berbens | 
| Berceruelo | 
| Berdasco | 
| Berdeal | 
| Berdoy | 
| Berdugo | 
| Berenguel | 
| Berenguer | 
| Beresiartu | 
| Berga | 
| Bergado | 
| Bergara | 
| Bergo | 
| Berguete | 
| Bericat | 
| Berjano | 
| Berjón | 
| Berlanga | 
| Bermejo | 
| Bermúdez | 
| Bernad | 
| Bernadas | 
| Bernal | 
| Bernardo | 
| Bernatallada | 
| Bernatellada | 
| Bernils | 
| Bernárdez | 
| Berraquero | 
| Berrocal | 
| Berruezo | 
| Berruga | 
| Bersué | 
| Bertol | 
| Bertra | 
| Bertran | 
| Bertrand | 
| Bervel | 
| Besada | 
| Beser | 
| Besga | 
| Bestard | 
| Betanzos | 
| Beuloví | 
| Beyer | 
| Bibiloni | 
| Bicioso | 
| Bidal | 
| Bidania | 
| Bidarray | 
| Bidasolo | 
| Bidaurre | 
| Bidegain | 
| Bidondo | 
| Biedma | 
| Biel | 
| Bielsa | 
| Bienzobas | 
| Bier | 
| Bigot | 
| Biguera | 
| Bijiola | 
| Bilbao | 
| Billegas | 
| Biltró | 
| Binefa | 
| Biosca | 
| Bisañes | 
| Bisbal | 
| Bisellach | 
| Bisquer | 
| Bisú | 
| Bladó | 
| Blanc | 
| Blanca | 
| Blanch | 
| Blanché | 
| Blanco | 
| Blanco-Ortiguera | 
| Blanes | 
| Blanxart | 
| Blas | 
| Blasco | 
| Blasi | 
| Blay | 
| Blesa | 
| Blume | 
| Blánquez | 
| Blázquez | 
| Blázquez-García | 
| Boada | 
| Boadas | 
| Boadella | 
| Boan | 
| Bocanegra | 
| Bocos | 
| Bodoque | 
| Bofarull | 
| Bofill | 
| Boguerín | 
| Boira | 
| Boix | 
| Boixader | 
| Boladeras | 
| Bolaño | 
| Bolaños | 
| Bolea | 
| Bolet | 
| Bolinaga | 
| Boltas | 
| Bombardó | 
| Bona | 
| Bonafont | 
| Bonal | 
| Bonals | 
| Bonanad | 
| Bonastra | 
| Bonastre | 
| Bondía | 
| Boned | 
| Bonel | 
| Bonell | 
| Bonet | 
| Bonete | 
| Bonfiglio | 
| Bonfill | 
| Bonich | 
| Bonifaci | 
| Bonil | 
| Bonilla | 
| Bonillas | 
| Bonnin | 
| Bonías | 
| Boraita | 
| Borbonet | 
| Borda | 
| Bordería | 
| Bordes | 
| Bores | 
| Borge | 
| Borges | 
| Borja | 
| Boronat | 
| Borotau | 
| Borque | 
| Borraz | 
| Borrega | 
| Borrego | 
| Borrell | 
| Borricer | 
| Borrull | 
| Borrás | 
| Borsani | 
| Borís | 
| Bosca | 
| Bosch | 
| Boscáa | 
| Boslak | 
| Bosom | 
| Bosquet | 
| Bossó | 
| Bota | 
| Botana | 
| Botarro | 
| Bote | 
| Botet | 
| Botín | 
| Botín-Sanz | 
| Bou | 
| Boullosa | 
| Boullón | 
| Bourdon | 
| Bouzada | 
| Bova | 
| Bové | 
| Boyens | 
| Boyero | 
| Brabo | 
| Bracho | 
| Branca | 
| Brasó | 
| Bratau | 
| Bravo | 
| Braña | 
| Brea | 
| Bresó | 
| Bretones | 
| Brias | 
| Brieba | 
| Brina | 
| Bringueret | 
| Brintrup | 
| Briones | 
| Brisach | 
| Brito | 
| Britos | 
| Brontes | 
| Bros | 
| Broto | 
| Bru | 
| Bruch | 
| Brufau | 
| Brugada | 
| Brugarolas | 
| Bruguera | 
| Brugán | 
| Brunet | 
| Bruns | 
| Bruy | 
| Bruña | 
| Buada | 
| Buadas | 
| Buades | 
| Bualons | 
| Bucardo | 
| Buceta | 
| Buenaposada | 
| Buendía | 
| Bueno | 
| Buesa | 
| Bueso | 
| Bufalà | 
| Bugarín | 
| Buget | 
| Buisán | 
| Buitron | 
| Buixadós | 
| Buixench | 
| Bujarrabal | 
| Bullen | 
| Bulló | 
| Buluaga | 
| Burbano | 
| Burgos | 
| Burillo | 
| Burriel | 
| Burrut | 
| Burón | 
| Busquet | 
| Busquets | 
| Busqué | 
| Bussot | 
| Bustanero | 
| Bustillo | 
| Bustillos | 
| Bustins | 
| Bustinza | 
| Busto | 
| Bustos | 
| Buxaderas | 
| Buxadós | 
| Bárcena | 
| Bázquez | 
| Béjar | 
| Bóveda |