| Name | Meaning | Gender | Origin |
|---|
| Beckett | Brook | Male | English |
| Bedivere | Mythical Round Table Knight | Unisex | Welsh |
| Bedwyr | Arthurian legend name
| Male | |
| Bella | Beautiful
| Female | English |
| Bella | Beautiful
| Female | English |
| Belle | Beautiful woman | Female | Short |
| Benito | after Benito Mussolini | Unisex | |
| Bennington | | Female | Hebrew |
| Bessie | From Elizabeth - Consecrated to God | Female | English |
| Beth | house of god | Female | English |
| Betsy | Consecrated To God | Female | English |
| Bianca | white | Female | Italian |
| Bilbo | | Unisex | Hebrew |
| Blue | A colour between green and indigo. Gloomy or depressed. | Male | Color |
| Bobby | bright fame | Male | English |
| Bonnie | sweet and good | Female | Scottish |
| Boo | | Male | Hebrew |
| Boo | | Male | Hebrew |
| Boo | | Male | Hebrew |
| Boo | | Male | Hebrew |
| Brett | a native of Brittany, Briton | Male | Celtic |
| Briana | She ascends. Feminine of Brian.
| Female | Feminine |
| Brick | Speckled | Male | Celtic |
| Bruno | Brown
| Male | |
| Bruno | Brown
| Male | |