| Name | Meaning | Gender | Origin |
|---|
| Blaise | to lisp, stammer | Male | |
| Blake | fair-haired, pallid | Male | English |
| Blue | A colour between green and indigo. Gloomy or depressed. | Male | Color |
| Bones | after doctor in Star Trek | Unisex | |
| Boris | A fighter, battler | Male | Slavic |
| Bowser | | Unisex | Hebrew |
| Brad | English, wide meadow | Male | English |
| Bradley | broad meadow | Male | English |
| Brett | a native of Brittany, Briton | Male | Celtic |
| Brian | strong | Male | Irish |
| Bruce | thicket, woodlands | Male | Scottish |
| Bryce | Son of a nobleman
| Male | English |
| Buck | A fleet footed youth. Male deer. | 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 | |
| Bunsen | | Unisex | Hebrew |
| Burt | fortress | Unisex | |
| Caleb | The bold one | Male | Hebrew |
| Calvin | Bald | Male | Latin |
| Cameron | Clan name meaning Bent nose.
| Male | Scottish |
| Carlton | Free men's town.
| Male | |
| Chandler | candle maker | Male | |
| Charles | manly, strong | Male | |
| Charlie | a man: variant of Carl.
| Male | English |
| Chekov | | Unisex | Hebrew |
| Chester | fortress, walled town, | Male | Latin |