| Name | Meaning | Gender | Origin |
|---|
| Azrael | help of God | Male | Hebrew |
| Balthazar | One of the three Wise Men. A bottle of wine that has the equivalant of 12 bottles total.
| Male | Phoenician |
| Bam Bam | | Unisex | Hebrew |
| Bandit | An outlaw or robber | Male | Word |
| Banshee | Female fairy spirit from Irish Gaelic folklore. | Unisex | |
| Barfly | | Unisex | Hebrew |
| Beatrice | blessed; she who brings happiness | Female | Latin |
| Beauregard | beautiful gaze | Male | |
| Bebe | baby | Female | English |
| Beta | Dedicated To God | Female | Czechoslovakian |
| Big Red | | Unisex | Hebrew |
| Bijou | French for jewel | Female | |
| Binky | | Unisex | Hebrew |
| Bismark | | Unisex | Hebrew |
| Bitey | | Unisex | Hebrew |
| Blue | A colour between green and indigo. Gloomy or depressed. | Male | Color |
| Bo | Nickname made popular by actress Bo Derek.
| Male | Norse |
| Bogie | | Male | Hebrew |
| Bonanza | | Male | Hebrew |
| Bonita | Pretty little one.
| Female | Spanish |
| BooBoo | | Unisex | Hebrew |
| Boodles | | Unisex | Hebrew |
| Booger | | Unisex | Hebrew |
| Boogie | | Unisex | Hebrew |
| Bookie | | Unisex | Hebrew |