- Baca
- Bach
- Bacino
- Bailey
- Baize
- Baker
- Baldwin
- Banks
- Barck
- Barclay
- Bardol
- Barker
- Barnes
- Barr
- Barrett
- Barron
- Bartow
- Batey
- Baynard
- Beabout
- Beachy
- Bean
- Becht
- Beck
- Beckham
- Bedford
- Bedwell
- Beegle
- Beirnes
- Belcher
- Bell
- Benner
- Benson
- Bergold
- Berhalter
- Berman
- Bhai
- Bieker
- Biesecker
- Birt
- Bivins
- Blair
- Blake
- Blankenship
- Bliem
- Bloom
- Boaman
- Bodner
- Boehmer
- Bolden
- Bole
- Bolig
- Boon
- Boone
- Bordley
- Bossard
- Boward
- Bowers
- Bowhall
- Boyer
- Bradley
- Brady
- Brathwaite
- Bratten
- Braverman
- Bray
- Breese
- Brenner
- Brenwalt
- Brewer
- Briggs
- Brinkley
- Brooks
- Brown
- Brunson
- Brunswick
- Bubb
- Buchholtz
- Buckland
- Buckworth
- Bulley
- Burchett
- Burk
- Burke
- Burkert
- Burris
- Butala
- Butler
- Butterworth
- Byers
- Byler
- Byron