| Babu | Babur | Bacardi | Baccarat | Bacchus |
| Baccio | Baci | Bacon | Baddy | Badger |
| Bado | Bados | Badoso | Badou | Badman |
| Badsky | Badu | Baduso | Bailey | Baileys |
| Baily | Baisel | Baiselo | Bajar | Bajazzo |
| Baki | Bakim | Bakis | Baku | Bakur |
| Bakum | Balami | Baldo | Baldric | Balduin |
| Baldur | Baldwin | Baldy | Bali | Balino |
| Balko | Balkos | Balou | Balthasar | Balto |
| Baltollo | Baltum | Balu | Baluga | Bam-Bam |
| Bambino | Bandit | Bandito | Bangle | Bango |
| Bangos | Banjo | Banjol | Banner | Banny |
| Banshee | Bansho | Bany | Bao | Baquero |
| Bär | Baran | Barbar | Barbu | Barni |
| Bardy | Bardey | Bäri | Barisch | Bark |
| Barcley | Barky | Banda | Baskaran | Backer |
| Bagel | ||||
| Barkly | Barkley | Barko | Bärle | Bärli |
| Bärlis | Barnacle | Barny | Barney | Baro |
| Barock | Baron | Baroque | Barri | Barro |
| Barry | Bart | Bartholomew | Barton | Baru |
| Baruch | Bashan | |||
| Basalt | Basar | Baschan | Basco | Basil |
| Basko | Basra | Basran | Basti | Bastian |
| Batist | Batim | Batimo | Bauschan | Bax |
| Baxter | Bay | Bayard | Baynon | Bayou |
| Bazi | Bazio | Bazius | Bazulu | Bazo |
| Bazooka | Beamer | Bean | Beans | Bear |
| Beatus | Beaucoup | Beatle | Beaver | |
| Bedouin | Beeper | Beethoven | Beetle | Beetlejuice |
| Belam | Belami | Bellamy | Belan | Belano |
| Bello | Bellom | Belmondo | Ben | Benan |
| Benar | Benares | Benas | Benasto | Bendi |
| Bendicks | Bendix | Benedict | Benedikt | Bengal |
| Bengalo | Bengalos | Bengel | Beni | Benimo |
| Benite | Benito | Beniv | Benix | Benjamin |
| Benji | Benjil | Benjy | Benjo | Benne |
| Bennet | Bennett | Benni | Bennington | |
| Bennit | Benno | Benny | Benschj | Benson |
| Beowoof | Beppo | Berber | Berko | |
| Berlo | Berlos | Bern | Bendith | Bernhard |
| Bernie | Bernstein | Bernolo | Bernos | Bero |
| Berry | Berryll | Bert | Berti | Bertl |
| Beggo | Bexter | Benschi | ||
| Berli | Bewitched | Bianco | Bias | Biaslo |
| Biasto | Bibo | Bibone | Bibolo | Big Ben |
| Big Boy | Bigfoot | Bigo | Bigolo | Bigos |
| Bigosto | Bijon | Bijörn | Bike | Biko |
| Bikolo | Bikon | Bikos | Bikosy | Bilbo |
| Bill | Billo | Billy | Bimbo | Bimpf |
| Bingels | Bingo | Bino | Birdy | Birko |
| Bieno | Biondi | |||
| Biscuit | Bismarck | Bisquit | Bits | Bittersweet |
| BizKit | Bizzy | Björn | Black | Blackbird |
| Blackdale | Blackjack | Blacky | Blackyjack | Blade |
| Bladeley | Blanco | Blandley | Blandy | Blanko |
| Blaze | Blazet | Blazley | Bless | Blessco |
| Blesso | Blinker | Blitz | Blitzy | Blossom |
| Blanca | ||||
| Blubber | Blue | Blue Boy | Blueberry | Blues |
| Bo | Boa | Bob | Bobby | Bobo |
| Boccaccio | Bodhi | Bodo | Bogart | Bogdan |
| Bogey | Bogeyman | Bogie | Bogumil | Bohemian |
| Böhnchen | Bojan | Bojangles | Bojar | Bolero |
| Bolko | Bolkos | Bolle | Bollet | Bolleto |
| Bombax | Bomber | Bommel | Bommelo | Bonanza |
| Boncuk | Bond | Bondo | Bondoro | Bones |
| Bonestes | Bontesto | Bonfire | Bonfiro | Bongo |
| Bonifaz | Bonito | Bonjour | Bono | Bonsai |
| Bonto | Bonus | Bonzo | Boober | Booboo |
| Booker | Bookie | Bookies | Bookly | |
| Booklo | Boomel | Boomer | Boomero | Booto |
| Bootsman | Bootsmann | Boovy | Boreas | Boris |
| Boro | Boros | Boron | Boronelli | Borono |
| Bosbo | Bosborno | Bosbos | Bosch | Bosco |
| Bosko | Boskop | Boss | Bosse | Bossel |
| Bossi | Bossy | Boston | Boto | Botos |
| Botticelli | Bouba | Boubie | Bolto | Bouncer |
| Bourbon | Bow | Bowy | Boxer | Boxto |
| Bombur | Bonny | Bren | Bolto | Bono |
| Boxy | Boy | Boya | Boysi | Bonni |
| Bozo | Bozto | Bradstreet | Brady | Brain |
| Branco | Brando | Brandos | Brandy | Branko |
| Brano | Bravo | Brazzo | Brecht | Breeze |
| Brendy | Brian | Bridget | Brik | Brilliant |
| Brisco | Brisko | Brix | Bronko | Brooker |
| Borah | Bowser | Branka | Bradesko | Bracco |
| Brooklyn | Brösel | Brummer | Bruno | Brutus |
| Bryan | Buby | Buck | Buckaroo | Budd |
| Buddha | Buddy | Buffoon | Bug | Bugs |
| Bugs Bunnie | Bugsy | Buick | Buk | Buka |
| Bulli | Bully | Bullet | Bullion | Bullson |
| Bumper | Bundas | Bungee | Bunny | Burger |
| Burja | Burli | Burt | Buss | |
| Buster | Butch | Butterfly | Butsch | |
| Butscher | Butsher | Buzi | Butz | Blacke |
| Blister | Bjorek | Binnox | Byron | Bruce |