| NAME | ORIGIN | MEANING |
| Brynhilde | Norse | Armored fighting woman. |
| Brynja | Norse | Dark. |
| Bryony | English | Vine with Small Blossoms |
| Bryssa | Spanish | From Briseis, the woman Achilles loved in Homer's Iliad. |
| Buan | Irish | Goodness. |
| Bubona | Latin | Goddess of cattle. |
| Buddug | Welsh | Welsh form of Victoria: victory. |
| Buena | Spanish | Good. |
| Buffy | Hebrew | God's promise |
| Bunny | English | little rabbit |
| Burdette | Middle English | small bird |
| Burga | Teutonic | From the town. |
| Burgha | Teutonic | From the town. |
| Buthainah | Arabic | Soft sand |
| Butterfly | American | A Butterfly |
| Byanca | Italian | White; shining. A variant of the French Blanche. |
| Byrdene | English | Contemporary name meaning Little bird. |
| Bysen | Anglo-Saxon | Unique. |