| Name | Meaning | Gender | Origin |
|---|
| Brad | English, wide meadow | Male | English |
| Bradley | broad meadow | Male | English |
| Brady | large-chested | Male | Irish |
| Brando | firebrand, sword | Male | Italian |
| Brian | strong | Male | Irish |
| Brooks | of the brook | Male | English |
| Brown | colour | Male | Color |
| Bruce | thicket, woodlands | Male | Scottish |
| Bruno | Brown
| Male | |
| Bruno | Brown
| Male | |
| Brutus | heavy, dull | Male | Latin |
| Bryan | strong, virtuous, and honorable | Male | English |
| Bubbles | Thin spherical liquid filled with gas. Irrepressible activity. | Male | |
| Bubbles | Thin spherical liquid filled with gas. Irrepressible activity. | Male | |
| Buck | A fleet footed youth. Male deer. | Male | English |
| Bud | herald, to puff up, friend | Male | English |
| Buddy | From Budd - The welcome messenger. | Male | English |
| Buddy | From Budd - The welcome messenger. | Male | English |
| Bullet | A metal cylinder shot from a rifle or gun. Used to express speed. | Male | |
| Burke | birch tree | Male | |
| Buster | One that breaks up something | Male | Modern |
| Butch | Masculine in appearance or manner. | Male | Nickname |
| Buzz | To move quickly and busily, to bustle | Male | Modern |
| Caesar | Title for Roman Emperors | Male | Latin |
| Calvin | Bald | Male | Latin |