- Baker
- Barksdale
- Barnet
- Bas
- Bax
- Baxter
- Beacher
- Beaman
- Beamon
- Beebe
- Bensen
- Benson
- Benton
- Berk
- Berklee
- Berkeley
- Berkley
- Beresford
- Bert
- Berto
- Berwin
- Berwyn
- Beuford
- Bill
- Binky
- Biren
- Birney
- Bishop
- Blade
- Blakeleigh
- Booker
- Boston
- Boswell
- Bowman
- Brad
- Bradford
- Brainard
- Bran
- Branden
- Brandon
- Branlee
- Brant
- Branten
- Bransen
- Brent
- Brently
- Brewer
- Braxton
- Brentley
- Brendan
- Brendon
- Brenton
- Brexton
- Bridger
- Briggs
- Brighton
- Bringham
- Brinlee
- Brinleigh
- Brinley
- Bristol
- Brock
- Brodric
- Bronson
- Broughton
- Bryan
- Bryant
- Bryum
- Buck
- Buckey
- Buckie
- Buckley
- Buddie
- Bufford
- Burch
- Burchard
- Burchell
- Burdett
- Burdette
- Burford
- Burleigh
- Burlie
- Burney
- Burr
- Burton
- Byford
- Byron
- Byrne