| Name | Meaning | Gender | Origin |
|---|
| Bee | Bee | Unisex | English |
| Ben | Son | Male | Hebrew |
| Bentley | Bent grass clearing | Male | English |
| Bernard | Bear brave | Male | Germanic |
| Bert | Bright | Male | Germanic |
| Billie | Will, desire and helmet, protection | Unisex | Germanic |
| Billy | Will, desire and helmet, protection | Male | Germanic |
| Biscuit | A cookie or cracker | Unisex | English |
| Bishop | Overseer | Male | English |
| Bisto | | Unisex | Hebrew |
| Blake | Dark | Male | English |
| Blue | Blue | Unisex | English |
| Bobby | Bright fame | Unisex | Germanic |
| Boomerang | | Unisex | Hebrew |
| Boots | | Unisex | Hebrew |
| Boris | Battle, fight | Male | Slavonic |
| Bowser | | Unisex | Hebrew |
| Bradyn | Broad, wide | Male | English |
| Bran | Raven | Male | Welsh |
| Brendan | Prince | Male | Gaelic |
| Bruce | Surname Since Medieval Times: Now A Common Given Name. Folklore Tale Of 14Th Century Robert King Of Scotland: (The Bruce) Who Learned The Value Of Perseverance From Watching A Spider Spin A Web. | Male | English |
| Bruno | Armour | Male | Germanic |
| Buck | He-goat | Male | English |
| Buddy | Herald | Male | English |
| Bullet | A metal cylinder shot from a rifle or gun. Used to express speed. | Unisex | English |
| Buster | One that breaks up something | Unisex | American English |
| Butch | Masculine in appearance or manner. | Unisex | American English |
| Buttons | | Unisex | Hebrew |
| Caesar | Long Hair | Male | Latin |
| Cain | A spear | Male | Hebrew |