| Name | Meaning | Gender | Origin |
|---|
| Blanca | white | Female | Spanish |
| Blanche | white | Female | |
| 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 |
| Blessing | Consecrated | Unisex | English |
| Blitz | | Unisex | Hebrew |
| Blizzard | Violent snowstorm | Male | |
| Blondie | One with golden coloured hair | Male | |
| Blossom | lovely, A flower or cluster of flowers | Female | English |
| Boa | | Unisex | Hebrew |
| Bob The Builder | | Unisex | Hebrew |
| Bobbie | Latin, foreign woman | Female | English |
| Boby | | Unisex | Hebrew |
| Bone | | Unisex | Hebrew |
| Bone | | Unisex | Hebrew |
| Bones | after doctor in Star Trek | Unisex | |
| Boo | | Male | Hebrew |
| Boo | | Male | Hebrew |
| Boo | | Male | Hebrew |
| Boo | | Male | Hebrew |
| Bora | Latin, foreign woman | Female | Czech |
| Boukaboom | | Unisex | Hebrew |
| Bowers | | Unisex | Hebrew |
| Bowtie | | Unisex | Hebrew |
| Boynton | cartoon character by Sandra Boynton | Male | Irish |
| Bradley | broad meadow | Male | English |