| Name | Meaning | Gender | Origin |
|---|
| Barley | A cereal of the grass family used for livestock feed and in soups. | Male | English |
| Barney | Comforter
| Male | English |
| Barry | spear thrower, son of Harry, Marksman | Male | Irish |
| Baz | from the longest name in the Bible, Maher-shalal-hash-baz | Male | English |
| Bear | Large mammal with large head, bulky body and coarse thick fur | Male | Animal |
| Bella | Beautiful
| Female | English |
| Bella | Beautiful
| Female | English |
| Betty | Devoted to God
| Female | English |
| Bianca | white | Female | Italian |
| Biscuit | A cookie or cracker | Unisex | |
| Blake | fair-haired, pallid | Male | English |
| 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 |
| Blondie | One with golden coloured hair | Male | |
| Blossom | lovely, A flower or cluster of flowers | Female | English |
| Bo | Nickname made popular by actress Bo Derek.
| Male | Norse |
| Bobby | bright fame | Male | English |
| Boo | | Male | Hebrew |
| Boo | | Male | Hebrew |
| Boo | | Male | Hebrew |
| Boo | | Male | Hebrew |
| Boomer | A large full grown kangaroo. A baby boomer. | Unisex | |
| Bowie | after David Bowie | Male | Scottish |
| Brandi | Brandy | Unisex | English |
| Brandy | An alcoholic liquor distilled from wine | Female | Dutch |