| Name | Meaning | Gender | Origin |
|---|
| Brodie | Muddy place | Male | Gaelic |
| Brogan | Shoe | Unisex | 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 |
| Bruiser | A large heavyset man | Unisex | English |
| Bruno | Armour | Male | Germanic |
| Bubbles | Thin spherical liquid filled with gas. Irrepressible activity. | Unisex | English |
| Buddy | Herald | 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 |
| Bugsy | | Unisex | Hebrew |
| 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 |
| Buttercup | A bright yellow flowered plant. Also a term of endearment. | Unisex | English |
| Buttons | | Unisex | Hebrew |
| Buzz | To move quickly and busily, to bustle | Male | English |
| Caesar | Long Hair | Male | Latin |
| Cain | A spear | Male | Hebrew |
| Calvin | Bald | Male | French |
| Carlton | Peasants' town | Male | English |
| Casey | From Cayce | Male | American English |
| Cecil | Blind | Male | Latin |
| Chad | Defense | Male | English |
| Chan | Nickname For John. | Unisex | English |
| Chaos | Gaping void | Unisex | Greek |
| Charles | Free man | Male | Germanic |
| Charlie | Free man | Unisex | Germanic |
| Cheerio | Brand of breakfast cereal | Unisex | English |
| Chester | Camp | Male | Latin |
| Chichi | Loving | Unisex | Korean |
| Chico | Boy | Male | Spanish |
| Chowder | | Unisex | Hebrew |