| Person's Name | Language | Explanation |
| Balder | Norse Mythology, Swedish | Means "prince" from Old Norse. In Norse mythology Balder was the son of Odin and Frigg. Because of the disturbing dreams he had when he was young, his mother extracted an oath from every thing in the world that it would not harm him. However the evil fire god Loki learned that she had overlooked mistletoe. Being jealous, he tricked the blind god Hoder into throwing a branch of mistletoe at Balder, which killed him. |
| Basil | English | Derived from Greek basileus meaning "king". Saint Basil the Great was a 4th-century bishop who was one of the fathers of the early Christian church. This was also the name of two Byzantine emperors. (name not based on a flower or plant) |
| Basile | French | French form of BASIL |
| Basilio | Italian | Italian form of BASIL |
| Bentley | English | From a surname which was derived from a place name meaning "clearing covered with bent grass" in Old English. Various places in England bear this name. |
| Benton | English | From a surname which was derived from a place name meaning "town near bent grass" in Old English. |
| Blanid | Irish | Anglicized form of BLÁTHNAT |
| Blodeuwedd | Welsh, Welsh Mythology | Means "face of flowers" in Welsh. In the Mabinogion, a collection of tales from Welsh myth, she is the wife of Lleu Llaw Gyffes changed into an owl for her infidelity. |
| Blossom | English | Simply means "blossom, flower" from the English word. |
| Bluma | Jewish | Means "flower" in Yiddish. |
| Bláithín | Irish | Means "little flower", derived from the Irish word blath "flower" and a diminutive suffix. |
| Bláthnaid | Irish | Variant of BLÁTHNAT |
| Bláthnat | Irish, Irish Mythology | Means "little flower" from the Irish word blath "flower" combined with a diminutive suffix. In Irish legend she was a maiden abducted and married by Cú Roí. She was rescued by Cuchulainn, who killed her husband, but she was in turn murdered by one of Cú Roí´s loyal servants. |
| Briallen | Welsh | Means "primrose" in Welsh. This is a modern Welsh name. |
| Briar | English | From the English word for the thorny plant. |
| Sources: Compilation from Behind the Name website. |