| Name | Meaning | Gender | Origin |
|---|
| Bernard | bold as a bear | Male | |
| Bernie | Brave As A Bear | Unisex | German |
| Bert | English, noble, bright | Male | English |
| Bertram | bright | Male | |
| Blade | glory, The expanded part of a leaf, particularly grasses | Male | Word |
| Blaine | thin, lean, source of a river | Male | Irish |
| Blaise | to lisp, stammer | Male | |
| Blaze | Lisp: stutter. Blaise Pascal was a brilliant seventeenth century child prodigy: mathematician: scientist and philosopher who invented the calculating machine and hydraulic press before dying at age thirty-nine.
| Male | Latin |
| Bliss | intense happiness | Male | English |
| Boaz | swiftness | Male | Hebrew |
| Bogie | | Male | Hebrew |
| Boris | A fighter, battler | Male | Slavic |
| Brad | English, wide meadow | Male | English |
| Brahma | Creator, Source | Unisex | Hindi |
| Brendan | prince | Male | Irish |
| Brennan | Little drop: Prince. Variant of Brendan.
| Male | Irish |
| Brian | strong | Male | Irish |
| Brier | heather | Unisex | |
| Brownie | Moist chocolate cake with nuts | Unisex | |
| Bruce | thicket, woodlands | Male | Scottish |
| Bruno | Brown
| Male | |
| Bruno | Brown
| Male | |
| Bryan | strong, virtuous, and honorable | Male | English |
| Buck | A fleet footed youth. Male deer. | Male | English |
| Byron | after Lord Byron | Male | English |