- Babaoka
- Baca
- Baglietto
- Bague
- Bailey
- Baker
- Balagey
- Balcao
- Balmaceda
- Balthazar
- Baluyot
- Banks
- Barajas
- Barkhurst
- Barlich
- Barnard
- Barnes
- Barnhart
- Bartlett
- Basler
- Bava
- Baxter
- Bear
- Beccera
- Bedolla
- Beer
- Beharry
- Bell
- Bellingham
- Benjamin
- Benner
- Bennett
- Benson
- Bentz
- Berkeland
- Berrios
- Berry
- Bianchini
- Biasetti
- Bickley
- Bielefeld
- Biglieri
- Birnbaum
- Bischel
- Bjorneboe
- Black
- Blaine
- Blake
- Blakely
- Blakley
- Blankenship
- Blanton
- Blevins
- Blum
- Boland
- Bolen
- Borrego
- Boun
- Bowlin
- Boyce
- Boyd
- Bradbury
- Bradford
- Brandstad
- Brant
- Breakfield
- Breitenbucher
- Brierty
- Brooks
- Brown
- Brownfield
- Bucholz
- Buford
- Bui
- Bulawit
- Bult
- Bulum
- Burdge
- Burdick
- Burgess
- Burgin
- Burgos
- Burkland
- Burnett
- Burns
- Bustillos
- Buyck
- Byrd