- Babb
- Bacchus
- Bachus
- Bader
- Badgett
- Baer
- Baggett
- Baier
- Bailey
- Bails
- Baine
- Baioni
- Baird
- Baker
- Bakke
- Balazsy
- Balch
- Baldauf
- Baldon
- Bales
- Balfour
- Ball
- Ballard
- Ballin
- Ballinger
- Balsam
- Balsman
- Balton
- Balzen
- Banai
- Bandy
- Bane
- Banker
- Banks
- Banning
- Bannon
- Banyon
- Baranski
- Barbee
- Barber
- Barcafer
- Barden
- Bardley
- Baretz
- Barfield
- Barger
- Barksdale
- Barlow
- Barnard
- Barnes
- Barnett
- Barney
- Barns
- Baroff
- Barrett
- Barron
- Barrow
- Barthol
- Bartkiewicz
- Bartlett
- Bartlette
- Barton
- Bartusch
- Basco
- Baselski
- Basham
- Baskerville
- Baskin
- Bass
- Basye
- Bateman
- Batemon
- Bates
- Batt
- Batten
- Battistelli
- Battle
- Battles
- Batts
- Baucum
- Baum
- Bauman
- Bawcum
- Baxter
- Bay
- Beach
- Beachey
- Beaird
- Beal
- Beale
- Beals
- Bean
- Beard
- Bearden
- Beasley
- Beason
- Beattie
- Beatty
- Beaty
- Beck
- Becker
- Beckingham
- Bedeian
- Bedell
- Bedford
- Beem
- Beers
- Beets
- Belenchia
- Bell
- Beller
- Bellingrath
- Bellora
- Belman
- Beloate
- Belonio
- Belser
- Belz
- Bemley
- Bencomo
- Bendall
- Bender
- Benderman
- Benedetti
- Benedict
- Benford
- Benjamin
- Benmoin
- Bennett
- Benney
- Bennis
- Benoit
- Benson
- Benten
- Bentley
- Benton
- Berk
- Berkley
- Berlin
- Bernard
- Bernardini
- Bernice
- Berry
- Berryhill
- Berz
- Beshears
- Besinger
- Bess
- Best
- Bestul
- Bethany
- Bethel
- Bethell
- Betterton
- Betty
- Bevell
- Beverly
- Beville
- Bevis
- Beyer
- Bicknell
- Bicks
- Biddle
- Bielskis
- Bienstock
- Biffle
- Biggs
- Bilbrew
- Bilbro
- Biller
- Billett
- Billings
- Billingsley
- Billions
- Bills
- Bilsky
- Bingham
- Biniakewitz
- Binkley
- Binnie
- Bins
- Bird
- Birdwell
- Bishop
- Bistolfi
- Bitner
- Bittle
- Bivins
- Black
- Blackard
- Blackburn
- Blackley
- Blackmon
- Blackwell
- Blackwood
- Blainas
- Blair
- Blake
- Blakely
- Blakemore
- Blalock
- Blanchard
- Bland
- Bland-McKissick
- Bland-Seltzer
- Blankenship
- Blanks
- Blann
- Blanton
- Blasdel
- Blaylock
- Bledsoe
- Blen
- Blevins
- Blissitt
- Block
- Blocker
- Blockman
- Blose
- Blount
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- Blucher
- Blue
- Blunt
- Blythe
- Boatman
- Bobbitt
- Boberg
- Bobo
- Bock
- Bodden
- Boddie
- Bodiford
- Bogan
- Bogard
- Bogardy
- Bohon
- Bolden
- Bolding
- Boldreghini
- Bolds
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- Bolick
- Bollino
- Bolton
- Bomar
- Bomprezzi
- Bond
- Bondon
- Bonds
- Bone
- Bonee
- Bonham
- Bonicelli
- Bonner
- Bookas
- Booker
- Boone
- Boongaling
- Boothe
- Borden
- Bortters
- Bosi
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- Boston
- Boswell
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- Boulton
- Bourland
- Bourne
- Bouye
- Bowden
- Bowdery
- Bowen
- Bowens
- Bowers
- Bowie
- Bowles
- Bowling
- Bowman
- Bowser
- Boxdorfer
- Boyce
- Boyd
- Boyett
- Boykin
- Boyland
- Boyle
- Bozof
- Bpyd
- Bradberry
- Braden
- Bradford
- Bradley
- Bradshaw
- Brady
- Bragg
- Braggs
- Bramhall
- Bramlett
- Bramlitt
- Branan
- Branch
- Brandon
- Brandy
- Branston
- Brantley
- Branyan
- Brasfield
- Brashear
- Brashier
- Braswell
- Bratcher
- Brauer
- Brauninger
- Brawner
- Braxton
- Bray
- Brazil
- Brazzell
- Breazeal
- Breland
- Brennen
- Brent
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- Brethorst
- Brewer
- Bridgeforth
- Bridgeforth-Fre
- Bridger
- Bridges
- Bridget
- Bridgewater
- Bridgforth
- Briggs
- Brigham
- Bright
- Brignole
- Briner
- Brink
- Brinkmeyer
- Brinson
- Brisco
- Britman
- Britt
- Brittingham
- Brittman
- Brittmon
- Briwder
- Broadfoot
- Broadnax
- Broadus
- Broadway
- Broadwell
- Brock
- Brode
- Broffett
- Brogan
- Brogden
- Brogdon
- Brookhart
- Brooks
- Brooksbank
- Broome
- Brophy
- Brosky
- Broughton
- Broussard
- Brower
- Brown
- Browne
- Browning
- Broyles
- Brubaker
- Brucchieri
- Bruce
- Bruchman
- Bruetting
- Brugge
- Brunetti
- Bruno
- Brunson
- Brunthaver
- Bryan
- Bryant
- Bryson
- Buchanan
- Buchas
- Buchignani
- Buchschacher
- Buck
- Buckaloo
- Buckley
- Buckman
- Buckner
- Bucovaz
- Buehler
- Buffer
- Bufford
- Buford
- Bugg
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- Buhler
- Buitenwert
- Bull
- Bullard
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- Burchett
- Burchfield
- Burdette
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- Buress
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- Burgus
- Burhop
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- Burkeen
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- Burkett
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- Burkman
- Burks
- Burlison
- Burnett
- Burnette
- Burns
- Burose
- Burr
- Burrell
- Burress
- Burross
- Burrow
- Burse
- Bursi
- Burson
- Burt
- Burtch
- Burti
- Burtis
- Burton
- Busby
- Busch
- Bush
- Bushart
- Busler
- Bussey
- Butcher
- Butchko
- Butler
- Butts
- Buxton
- Byars
- Bynum
- Byrd