| Name | Meaning | Gender | Origin |
|---|
| Bear | Large mammal with large head, bulky body and coarse thick fur | Male | Animal |
| Beau | Handsome.
| Male | |
| Beckett | Brook | Male | English |
| Benjamin | son of my right hand | Male | Hebrew |
| Bennett | Blessed | Male | English |
| Bentley | from the moor, Farm where the grass bends | Male | English |
| Berlin | Swamp | Male | English |
| Blackie | Of the colour black. | Unisex | |
| Blue | A colour between green and indigo. Gloomy or depressed. | Male | Color |
| Bo | Nickname made popular by actress Bo Derek.
| Male | Norse |
| Bodhi | awakening, enlightenment | Male | Sanskrit |
| Boo | | Male | Hebrew |
| Boo | | Male | Hebrew |
| Boo | | Male | Hebrew |
| Boo | | Male | Hebrew |
| Boomer | A large full grown kangaroo. A baby boomer. | Unisex | |
| Boots | | Male | Hebrew |
| Boston | | Male | Hebrew |
| Bowen | Son of Owen
| Male | Welsh |
| Bruce | thicket, woodlands | Male | Scottish |
| Bruno | Brown
| Male | |
| Bruno | Brown
| Male | |
| Bubba | | Male | Hebrew |
| Bubba | | Male | Hebrew |
| Buddy | From Budd - The welcome messenger. | Male | English |