| NAME | ORIGIN | MEANING | B/G |
| Arnost | Czech | Determined; stubborn. | Boy |
| Bednar | Czechoslovakian | Cooper. | Boy |
| Bedrich | Czechoslovakian | Peaceful, Powerful Ruler | Boy |
| Benes | Czech | Blessed. | Boy |
| Bilko | Czechoslovakian | White. | Boy |
| Bily | Czechoslovakian | White. | Boy |
| Blazej | Czechoslovakain | Stammerer | Boy |
| Bogdashka | Czech | Variant of Bohdan: Gift from god. | Boy |
| Bohdan | Czechoslovakian | Gift of God | Boy |
| Bohous | Czechoslovakian | God's peace. | Boy |
| Bohumil | Czech | God's love. | Boy |
| Bohumir | Czechoslovakian | God is Peaceful | Boy |
| Bohuslav | Czechoslovakian | Glory of God | Boy |
| Bojanek | Czech | Variant of Bojan: War. | Boy |
| Bojek | Czech | Variant of Bojan: War. | Boy |
| Bojik | Czech | Variant of Bojan: War. | Boy |
| Bolek | Czech | Variant of Boleslav: Great glory. | Boy |
| Borivoj | Czech | Great soldier. | Boy |
| Bovra | Czech | Variant of Borivoj: Great soldier. | Boy |
| Bovrek | Czech | Variant of Borivoj: Great soldier. | Boy |
| Bovrik | Czech | Variant of Borivoj: Great soldier. | Boy |
| Bovza | Czech | Variant of Bozidar: Gift from God. | Boy |
| Bovzek | Czech | Variant of Bozidar: Gift from God. | Boy |
| Bozidar | Czechoslovakian | Gift of God | Boy |
| Branik | Czech | Variant of Bronislav: Glorious armor. | Boy |
| Branislav | Czechoslovakian | Protected Glory | Boy |
| Branko | Czechoslovakian | Protected Glory | Boy |
| Bratislav | Czech | Glorious brother. | Boy |
| Bretislav | Czech | Glorious noise. | Boy |
| Brlety | Czechoslovakian | Searcher. | Boy |
