| Name | Meaning | Gender | Origin |
|---|
| Bernard | Bear brave | Male | Germanic |
| Beverly | Beaver stream | Male | English |
| Billy | Will, desire and helmet, protection | Male | Germanic |
| Bismark | | Unisex | Hebrew |
| Blade | Wealthy Glory | Male | English |
| Blair | Plain | Male | Gaelic |
| Blake | Dark | Male | English |
| Blaze | Stuttering | Unisex | Latin |
| Blitz | | Unisex | Hebrew |
| Blue | Blue | Unisex | English |
| Bogart | Orchard | Male | German |
| Bolt | | Unisex | Hebrew |
| Bolton | Round hill | Male | English |
| Boomer | A large full grown kangaroo. A baby boomer. | Unisex | English |
| Boone | Good | Male | French |
| Borden | Boar pasture | Male | English |
| Boris | Battle, fight | Male | Slavonic |
| Boston | Botolph's town | Unisex | English |
| Bowser | | Unisex | Hebrew |
| Brand | Sword | Male | Germanic |
| Brendan | Prince | Male | Gaelic |
| Brick | Bridge. | Male | English |
| Brock | Badger | Male | English |
| Brody | Muddy place | Male | Gaelic |
| Bronson | Brown's son | Male | English |
| Brooklyn | Uncertain, perhaps broken land | Unisex | Dutch |
| Brownie | Moist chocolate cake with nuts | Unisex | English |
| Bruce | Surname Since Medieval Times: Now A Common Given Name. Folklore Tale Of 14Th Century Robert King Of Scotland: (The Bruce) Who Learned The Value Of Perseverance From Watching A Spider Spin A Web. | Male | English |
| Bruiser | A large heavyset man | Unisex | English |
| Bruno | Armour | Male | Germanic |