- Baca
- Bae
- Bailey
- Baird
- Balderson
- Baldwin
- Balis
- Ball
- Ballard
- Bannantine
- Barger
- Barker
- Barnes
- Barnett
- Barnhart
- Barns
- Barrera
- Barricuda
- Barriger
- Barton
- Bass
- Bateman
- Bauder
- Bauer
- Baumgartner
- Baysinger
- Bazar
- Beanland
- Beard
- Beare
- Becerra
- Beck
- Becker
- Beckman
- Bedford
- Bedolla
- Bedwell
- Beene
- Beers
- Beets
- Beggs
- Bell
- Benadides
- Benavides
- Benes
- Benham
- Bennett
- Benys
- Bergey
- Bernal
- Berry
- Berumen
- Bevill
- Bhakta
- Biby
- Bice
- Bickham
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- Bikle
- Billings
- Bingham
- Bishop
- Bitting
- Black
- Blackmar
- Blair
- Blake
- Blakely
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- Bluntzer
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- Bodker
- Bonecutter
- Booker
- Boone
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- Borth
- Bosman
- Bosque
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- Botello
- Bouligny
- Bourque
- Bowdry
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- Box
- Boyd
- Boyle
- Boynton
- Bramble
- Brandesky
- Brandon
- Brandt
- Brannigan
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- Braswell
- Bratton
- Brawner
- Brennan
- Brewer
- Brewster
- Brickman
- Bridges
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- Brock
- Broman
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- Brown
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- Broyles
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- Brunner
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- Bryant
- Bryce
- Bubela
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- Buckner
- Budd
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- Buehrig
- Bueno
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- Burk
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- Burnett
- Burnette
- Burrell
- Busby
- Busch
- Bushwar
- Busker
- Butcher
- Butler
- Buttler
- Byrne
- Byrum