- Babin
- Babineaux
- Badeaux
- Bagneris
- Baham
- Bailey
- Bairnsfather
- Bajoie
- Baker
- Ball
- Balluff
- Balmer
- Balovich
- Bankston
- Banning
- Banta
- Barbier
- Bardwell
- Baricos
- Barilleaux
- Barker
- Barnes
- Barnett
- Barolak
- Baron
- Barousse
- Barr
- Barranco
- Barras
- Barriere
- Barron
- Barrow
- Barry
- Barsoza
- Bart
- Bartchy
- Bartlett
- Barton
- Bascle
- Bass
- Bassich
- Bates
- Batiste
- Battle
- Baudean
- Baudoin
- Bauer
- Bayer
- Bazajou
- Bazan
- Beard
- Beavers
- Beck
- Becker
- Becket
- Beckham
- Beckman
- Becknel
- Becnel
- Beco
- Beeson
- Beil
- Belair
- Bell
- Bellew
- Bello
- Bendana
- Benedetto
- Benes
- Benfield
- Beninate
- Benn
- Bennett
- Benoit
- Bensel
- Bensinger
- Benson
- Bergen
- Berger
- Bergeron
- Berggren
- Bergin
- Bermuda
- Bernard
- Berner
- Bernstein
- Beron
- Berry
- Berryman
- Bertrand
- Besnard
- Betbeze
- Bettencourtt
- Betz
- Beyer
- Bialous
- Bickford
- Bickham
- Bienvenu
- Biggs
- Bigler
- Bilbe
- Bilbrey
- Billet
- Billings
- Bingham
- Birchenough
- Birdsall
- Bisbee
- Bishop
- Bissell
- Bissinger
- Blackmon
- Blackwell
- Blake
- Blakemore
- Blamphin
- Blanchard
- Bland
- Bleichner
- Block
- Bloodworth
- Blouin
- Blow
- Blue
- Blum
- Boales
- Bodet
- Boe
- Boggs
- Boh
- Bohne
- Bohren
- Bohrer
- Bolanos
- Bolden
- Boles
- Bologna
- Bond
- Bonin
- Bono
- Booth
- Bopp
- Bordelon
- Borden
- Bordenave
- Bordlee
- Borenstein
- Bories
- Borne
- Borner
- Bosque
- Bostick
- Bosworth
- Botto
- Boudoin
- Boudreau
- Boudreaux
- Bourgeois
- Bourgoyne
- Bousquet
- Boutchard
- Bouton
- Boutte
- Bowen
- Bowers
- Bowling
- Bowman
- Boyer
- Boyle
- Brabham
- Bracey
- Bradford
- Bradley
- Brady
- Braem
- Branch
- Brand
- Brandt
- Brasseaux
- Brasted
- Braud
- Braun
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- Brazell
- Breaux
- Brechtel
- Breland
- Bremermann
- Brennan
- Brents
- Bresler
- Brett
- Brewer
- Briand
- Brice
- Bricker
- Bright
- Brignac
- Brimmer
- Brink
- Brinkman
- Brinks
- Briscoe
- Britt
- Brocato
- Brockhoeft
- Bromley
- Brookins
- Brooks
- Broom
- Broome
- Broostin
- Brossette
- Brother
- Broussard
- Brousseau
- Brown
- Brownlee
- Bruce
- Brumfield
- Brungardt
- Bruton
- Bryan
- Bryant
- Buccola
- Buckley
- Buddington
- Bui
- Bukaske
- Bundy
- Buras
- Burbank
- Burdick
- Burger
- Burgess
- Burkart
- Burke
- Burlet
- Burlingame
- Burns
- Burrell
- Burse
- Burson
- Burt
- Burvant
- Bush
- Bussey
- Butler
- Butz
- Bye
- Byerly
- Bynum
- Byrd
- Byrne