| Betsey | Woman | American Names |
| Bette | Woman | American Names |
| Bev | Woman | American Names |
| Bevelyn | Woman | American Names |
| Beverlyhills | Woman | American Names |
| Bexter | Man | American Names |
| Beyoncé | Woman | American Names |
| Biana | Woman | American Names |
| Bienna | Woman | American Names |
| Bienne | Unisex | American Names |
| Bikita | Woman | American Names |
| Binx | Unisex | American Names |
| Birdie | Woman | American Names |
| Birdy | Woman | American Names |
| Birkita | Woman | American Names |
| Bison | Unisex | American Names |
| Blanket | Unisex | American Names |
| Blissany | Woman | American Names |
| Blondelle | Woman | American Names |
| Blue | Unisex | American Names |