| Bourbon | King Henry V' Duke of Bourbon. |
| Bourchier | King Richard III' Cardinal Bourchier, Archbishop of Canterbury. |
| Bourey | A name meaning one from the town of Bury. |
| Bourhan | An Arabic name meaning proof or evidence. |
| BOURKAN | A name meaning a volcanic mountain peak. |
| Bourke | Fortified hill. See also Berkley. |
| Bourn | A name meaning one living by a stream. |
| Bourne | One who lives by a stream. |
| Boutros | Arabic form of PETER |
| Bovra | Variant of Borivoj: Great soldier. |
| Bovrek | Variant of Borivoj: Great soldier. |
| Bovrik | Variant of Borivoj: Great soldier. |
| Bovza | Variant of Bozidar: Gift from God. |
| Bovzek | Variant of Bozidar: Gift from God. |
| Bow | Diminutive of Bowen: Small son. |
| Bowden | Dweller at the round hill. |
| Bowdoin | Variant of Boden: He who delivers the news. |
| Bowdyn | A variant of the name Bowden. |
| Bowen | Son of the noble descendant. |
| Bowie | One with fair or blond hair. |
| Bowman | An expert with a longbow. |
| Bowyn | A variant of the name Bowen. |
| Boy | A young male human child. |
| Boyce | Lives near the wood. |
| Boyd | Blonde: fair-haired. |
| Boyden | Derived from a boys valley. |
| Boyet | Love's Labours Lost' Lord attending on the Princess of France. |
| Boyn | Variant of Boyne: White cow. |
| BOYNE | A river of white cow water. |
| Boynton | From tbe white river |
| Bozez | A slippery or shining rock. |
| Bozidar | A divine gift from God. |
| Bozrah | In tribulation or distress. |
| Bozydar | One who is a gift of God. |
| Bple | A name of unknown origin. |
| Brabantio | The Tragedy of Othello' Venetian Senator, father of Desdemona. |
| Brac | A name meaning a fragment. |
| Brad | From the broad valley |
| Bradach | A Gaelic name meaning a thief. |
| Bradaigh | A Gaelic name meaning a thief. |