| Name | Meaning | Gender | Origin |
|---|
| Bonnie | sweet and good | Female | Scottish |
| Boo | | Male | Hebrew |
| Boo | | Male | Hebrew |
| Boo | | Male | Hebrew |
| Boo | | Male | Hebrew |
| Boo Boo | | Unisex | Hebrew |
| Boots | | Male | Hebrew |
| Brownie | Moist chocolate cake with nuts | Unisex | |
| Bubblegum | | Unisex | Hebrew |
| Bubbles | Thin spherical liquid filled with gas. Irrepressible activity. | Male | |
| Bubbles | Thin spherical liquid filled with gas. Irrepressible activity. | Male | |
| Buddy | From Budd - The welcome messenger. | Male | English |
| Buddy | From Budd - The welcome messenger. | Male | English |
| Buffy | God's promise | Female | English |
| Bunny | little rabbit | Female | Nickname |
| Buttercup | A bright yellow flowered plant. Also a term of endearment. | Female | |
| Butternut | | Unisex | Hebrew |
| Butterscotch | | Male | Hebrew |
| Button | | Unisex | Hebrew |
| Buttons | | Male | Hebrew |
| Cali | Most beautiful
| Female | English |
| Callie | Lark
| Female | Greek |
| Candy | Confectionery made with sugar. | Female | English |
| Cappuccino | | Unisex | Hebrew |
| Cappuccino | | Unisex | Hebrew |