- Babson
- Bacher
- Bacon
- Badgett
- Bagley
- Bagozzi
- Bahorski
- Bailey
- Baisden
- Baitinger
- Baker
- Balcer
- Balcerski
- Baldridge
- Baldwin
- Balint
- Ball
- Ballard
- Balowski
- Bandrowski
- Banks
- Banner
- Baranski
- Barber
- Barbour
- Bardwell
- Barker
- Barkey
- Barksdale
- Barnes
- Barnett
- Barnhart
- Barr
- Barrett
- Barrientos
- Barrow
- Barry
- Bart
- Bartley
- Bartolo
- Bartolomei
- Barton
- Baskerville
- Baskin
- Bass
- Bassett
- Bates
- Batsford
- Battle
- Batts
- Baugh
- Baughman
- Bausley
- Bayliss
- Baylor
- Bayne
- Bazel
- Bazzi
- Beal
- Beall
- Bean
- Beard
- Bearden
- Beasley
- Beatty
- Beauford
- Beauvais
- Beaver
- Beavers
- Bechard
- Bechtold
- Beck
- Beckett
- Beckom
- Beckon
- Beckton
- Bedford
- Bedu
- Bee
- Beegen
- Beeks
- Beeler
- Begole
- Belcher
- Belin
- Belinsky
- Bell
- Bellafant
- Bellomy
- Belton
- Benash
- Bender
- Benedict
- Benford
- Benigna
- Benjamin
- Benkert
- Benko
- Bennett
- Benning
- Benson
- Bent
- Bentley
- Benton
- Benyard
- Berg
- Berinde
- Berkley
- Berlinghof
- Bernhardt
- Berrios
- Berry
- Berryhill
- Bert
- Best
- Beste
- Betts
- Beuthien
- Bevelle
- Beverly
- Bey
- Beyah
- Beydoun
- Bibb
- Bibbs
- Biel
- Bielawski
- Bielman
- Bielskis
- Bieniek
- Biffle
- Biggens
- Biggerstaff
- Bigham
- Bilal
- Billingslea
- Billingsley
- Bingham
- Binion
- Binns
- Birchfield
- Birton
- Bishaw
- Bishop
- Bishoping
- Bivens
- Black
- Blackburn
- Blackhunt
- Blackmon
- Blacksheare
- Blacksher
- Blackwell
- Blair
- Blake
- Blakely
- Blanchard
- Bland
- Blanden
- Blanks
- Blasingame
- Blaszkiewicz
- Bleakley
- Bledsoe
- Blevins
- Bliss
- Blount
- Blow
- Bloxson
- Blue
- Board
- Boayue
- Bobak
- Bobby
- Bobrick
- Boettcher
- Bogan
- Boggerty
- Boggs
- Bogins
- Boines
- Boland
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- Bolden
- Bolden-Wallace
- Boles
- Bolofer
- Bolton
- Bommarito
- Bonacor
- Bonaparte
- Bond
- Bonds
- Bonham
- Bonner
- Booker
- Boone
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- Boozer
- Bora
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- Borella
- Boritzki
- Borum
- Bosley
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- Bostick
- Boston
- Boswell
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- Bowie
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- Bowman
- Bownes
- Bowser
- Boxley
- Boxx
- Boyce
- Boyd
- Boyer
- Boykin
- Boykins
- Boyle
- Bozeman
- Bracey
- Bracy
- Braden
- Bradford
- Bradham
- Bradley
- Bradshaw
- Brady
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- Bragg
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- Branch
- Brandon
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- Braswell
- Bratton
- Brauer
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- Braxton
- Braziel
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- Brenton
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- Bretz
- Brewer
- Brewster
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- Bridgewater
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- Bright
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- Brinson
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- Britt
- Brittain
- Britton
- Broadnax
- Brochstein
- Brock
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- Broe
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- Bronz
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- Browning
- Brownlee
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- Buckley
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- Burnley
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- Burnside
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- Burress
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- Burton
- Bush
- Bushey
- Bussey
- Butler
- Buttigieg
- Butts
- Buxton
- Buyck
- Bynum
- Byrd