| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 41 | Bergin | Scandinavian | Mountain dweller. | M | |
| 42 | Bergren | Scandinavian | From the mountain branch. | M | |
| 43 | Bern | Scandinavian | Strong as a bear. | M | |
| 44 | Bernie | Scandinavian | Strong as a bear. | M | |
| 45 | Bertel | Scandinavian | Variant of Bertil: Bright. | M | |
| 46 | Bertil | Scandinavian | Bright. | M | |
| 47 | Birger | Scandinavian | Helping. | M | |
| 48 | Birghir | Scandinavian | Variant of Birger: Helping. | M | |
| 49 | Birgin | Scandinavian | Variant of Bergen: Lives on the hillside. | M | |
| 50 | Bjorn | Scandinavian | Bear. Famous bearer: Swedish tennis champion Bjorn Borg. | M | |
| 51 | Blakely | Scandinavian | Nickname and abbreviation occasionally used for boys and for girls. | M | |
| 52 | Bo | Scandinavian | Nickname made popular by actress Bo Derek. | F | |
| 53 | Bo | Scandinavian | Nickname and abbreviation. Famous bearer: actress Bo Derek. | M | |
| 54 | Boden | Scandinavian | A shelter. | M | |
| 55 | Bodie | Scandinavian | Variant of Boden 'a shelter.'. | M | |
| 56 | Bodin | Scandinavian | Variant of Boden 'a shelter.'. | M | |
| 57 | Bodine | Scandinavian | Variant of Boden 'a shelter.'. | M | |
| 58 | Borc | Scandinavian | Castle. | M | |
| 59 | Borg | Scandinavian | Dwells in the castle. | M | |
| 60 | Borge | Scandinavian | Variant of Birger: Helping. | M | |