| Name | Meaning | Gender | Origin |
|---|
| Bartholomew | Son of Talmai | Male | Greek |
| Barton | Barley town | Male | English |
| Ben | Son | Male | Hebrew |
| Bender | | Unisex | Hebrew |
| Benjamin | Son of my right hand | Male | Hebrew |
| Bentley | Bent grass clearing | Male | English |
| Beowulf | Bee wolf | Unisex | Germanic |
| Bernard | Bear brave | Male | Germanic |
| Bernie | Bear brave | Male | German |
| Bert | Bright | Male | Germanic |
| Bertram | Famous raven | Male | Germanic |
| Bill | Will, desire and helmet, protection | Male | Germanic |
| Bing | From The Kettle Shaped Hollow | Male | English |
| Blaise | Stuttering | Male | Latin |
| Blake | Dark | Male | English |
| Blue | Blue | Unisex | English |
| Boot | | Unisex | Hebrew |
| Boris | Battle, fight | Male | Slavonic |
| Bowser | | Unisex | Hebrew |
| Brad | Broad wood | Male | English |
| Bradley | Broad wood | Male | English |
| Brett | A Breton | Male | English |
| Brian | Noble, strong, virtuous | Male | Gaelic |
| Brighton | Bright settlement | Male | English |
| Brock | Badger | Male | English |
| 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 |
| Bryce | Son Of A Nobleman | Male | French |
| Buck | He-goat | Male | English |
| Buckley | Ram's clearing | Male | English |
| Bug | An insect. A disease-producing microorganism. An error in coding or logic that causes a malfunction in a computer a program. An electronic listening device. An enthusiasm. Slang for annoy. | Unisex | English |