| Name | Meaning | Gender | Origin |
|---|
| Beckham | homestead by the stream | Male | English |
| Ben | . | Male | Hebrew |
| Benito | after Benito Mussolini | Unisex | |
| Benni | | Unisex | Hebrew |
| Bernard | bold as a bear | Male | |
| Bert | English, noble, bright | Male | English |
| Betty | Devoted to God
| Female | English |
| Biko | | Unisex | Hebrew |
| Bill | comic-strip Bill the Cat | Male | English |
| Billie | Determination: strength. A nickname for William.
| Female | English |
| Billy | resolute protection | Male | English |
| Blade | glory, The expanded part of a leaf, particularly grasses | Male | Word |
| Blitz | | Unisex | Hebrew |
| Blue | A colour between green and indigo. Gloomy or depressed. | Male | Color |
| Bo | Nickname made popular by actress Bo Derek.
| Male | Norse |
| Bob | bright, famous | Male | English |
| Bobby | bright fame | Male | English |
| Bonnie | sweet and good | Female | Scottish |
| Boomer | A large full grown kangaroo. A baby boomer. | Unisex | |
| Boris | A fighter, battler | Male | Slavic |
| Bowie | after David Bowie | Male | Scottish |
| Brad | English, wide meadow | Male | English |
| Bradshaw | broad forest | Male | English |
| Brady | large-chested | Male | Irish |
| Brandi | Brandy | Unisex | English |