| Name | Meaning | Gender | Origin |
|---|
| Avery | ruler of the elves | Female | English |
| Axel | divine reward; divine source of life | Male | |
| Axle | | Unisex | Hebrew |
| Beau | Handsome.
| Male | |
| Benny | Blessed Son Of My Right Hand | Unisex | English |
| Bentley | from the moor, Farm where the grass bends | Male | English |
| Bertie | Brilliant, Illuminated Fame | Male | English |
| Blade | glory, The expanded part of a leaf, particularly grasses | Male | Word |
| Blaise | to lisp, stammer | Male | |
| Blake | fair-haired, pallid | Male | English |
| Bo | Nickname made popular by actress Bo Derek.
| Male | Norse |
| Bobby | bright fame | Male | English |
| Bodhi | awakening, enlightenment | Male | Sanskrit |
| Bodie | | Unisex | Hebrew |
| Bow | A weapon used to launch arrows. Also type of tie or knot. | Unisex | |
| Brady | large-chested | Male | Irish |
| Braxton | Brock's settlement | Male | English |
| Brendan | prince | Male | Irish |
| Brennan | Little drop: Prince. Variant of Brendan.
| Male | Irish |
| Brodie | From Brodie
| Male | Scottish |
| Brody | From the muddy place. Surname.
| Male | Irish |
| Bryce | Son of a nobleman
| Male | English |
| Bryson | Variant of Bryce.
| Male | English |
| Buck | A fleet footed youth. Male deer. | Male | English |
| Buddy | From Budd - The welcome messenger. | Male | English |