| Name | Meaning | Gender | Origin |
|---|
| Bouncer | One who bounds up and down | Unisex | |
| Brad | English, wide meadow | Male | English |
| Brady | large-chested | Male | Irish |
| Brew | | Unisex | Hebrew |
| Brody | From the muddy place. Surname.
| Male | Irish |
| Bruce | thicket, woodlands | Male | Scottish |
| Bryce | Son of a nobleman
| Male | English |
| Bubba | | Male | Hebrew |
| Bubba | | Male | Hebrew |
| Buck | A fleet footed youth. Male deer. | Male | English |
| Buckshot | | Unisex | Hebrew |
| Bucky | | Unisex | Hebrew |
| Bud | herald, to puff up, friend | Male | English |
| Buddy | From Budd - The welcome messenger. | Male | English |
| Buddy | From Budd - The welcome messenger. | Male | English |
| Budweiser | Brand of American beer | Unisex | |
| Buffy | God's promise | Female | English |
| Bumper | | Unisex | Hebrew |
| Burrito | A flour tortilla wrapped around a filing of beef, beans or cheese | Unisex | |
| Butch | Masculine in appearance or manner. | Male | Nickname |
| Buttermilk | | Unisex | Hebrew |
| Buzz | To move quickly and busily, to bustle | Male | Modern |
| Cajun | | Male | Hebrew |
| Candy | Confectionery made with sugar. | Female | English |
| Caroline | strong, melody, song | Female | |