| Name | Meaning | Gender | Origin |
|---|
| Berty | | Unisex | Hebrew |
| Bessy | Diminutive Of Elizabeth. | Unisex | English |
| Bianca | White | Female | Italian |
| Bindi | Beautiful serpent | Unisex | Latin |
| Biscuit | A cookie or cracker | Unisex | English |
| Bitsy | | Unisex | Hebrew |
| Blossom | Blossom, flower | Female | English |
| Blu | | Unisex | Hebrew |
| Blue | Blue | Unisex | English |
| Blueberry | | Unisex | Hebrew |
| Blythe | Joyous | Female | English |
| Bonnie | Pretty | Female | English |
| Boo | | Unisex | Hebrew |
| Boots | | Unisex | Hebrew |
| Bree | The exalted one | Female | Gaelic |
| Brooke | A brook, stream | Unisex | English |
| Brooklyn | Uncertain, perhaps broken land | Unisex | Dutch |
| Brownie | Moist chocolate cake with nuts | Unisex | English |
| Bubblegum | | Unisex | Hebrew |
| Bubbles | Thin spherical liquid filled with gas. Irrepressible activity. | Unisex | English |
| Buddy | Herald | Male | English |
| Bunny | Little rabbit | Female | English |
| Buttercup | A bright yellow flowered plant. Also a term of endearment. | Unisex | English |
| Butterscotch | | Unisex | Hebrew |
| Buttons | | Unisex | Hebrew |
| Cadence | Rhythm | Female | English |
| Calista | The most beautiful | Female | Greek |
| Callie | Most beautiful | Female | Greek |
| Cami | Pet form of Camilla | Unisex | English |
| Camila | Free-Born: Noble. Variant Of Camilla | Female | Latin |