| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 41 | Bogna | Polish | Gift of God. | F | |
| 42 | Boguchwal | Polish | God's glory. | M | |
| 43 | Bogufal | Polish | Variant of Boguchwal: God's glory. | M | |
| 44 | Bogumierz | Polish | God is great. | M | |
| 45 | Bogumil | Polish | God's love; God's peace. | M | |
| 46 | Boguslaw | Polish | Gods glory. | M | |
| 47 | Bogusz | Polish | Variant of Boguchwal: God's glory. | M | |
| 48 | Bohgana | Polish | Gift of God. | F | |
| 49 | Bohusz | Polish | Variant of Boguchwal: God's glory. | M | |
| 50 | Boleslaw | Polish | Great glory. | M | |
| 51 | Borys | Polish | Stranger. | M | |
| 52 | Boryslaw | Polish | Battle glory. | M | |
| 53 | Bozydar | Polish | Gift from God. | M | |
| 54 | Bratumil | Polish | Brotherly love. | M | |
| 55 | Brunon | Polish | Brown (colour name). | M | |
| 56 | Budzislaw | Polish | Awakening glory. | M | |
| 57 | Budzisz | Polish | Variant of Budzislaw: Awakening glory. | M | |
| 58 | Budzyk | Polish | Variant of Budzislaw: Awakening glory. | M | |
| 59 | Casimir | Polish | Bringer of peace; announcing peace. | M | |
| 60 | Casimire | Polish | Variant of Casimir: Bringer of peace; announcing peace. | M | |