- Baars
- Babb
- Babcock
- Babson
- Bacchi
- Bachmann
- Backus
- Badwan
- Baehr
- Baffi
- Baggett
- Bagley
- Bagwell
- Bagwellpike
- Bahl
- Bailey
- Baird
- Baity
- Baker
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- Balcita
- Baldwin
- Baldzikowski
- Bales
- Balik
- Balint
- Ball
- Ballance
- Ballard
- Ballinger
- Balogh
- Bamforth
- Banagan
- Bandukwala
- Bandy
- Banerjee
- Banks
- Banner
- Bannister
- Baranski
- Baratam
- Baratta
- Barbara
- Barber
- Barbour
- Barden
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- Barefoot
- Barfield
- Barger
- Barham
- Barish
- Barker
- Barkley
- Barksdale
- Barley-Maloney
- Barlow
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- Barner
- Barnes
- Barnett
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- Barnewolt
- Barnhill
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- Barrick
- Barringer
- Barry
- Bartee
- Barth
- Bartholomew
- Bartley
- Barton
- Basak
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- Base
- Bashaw
- Baskerville
- Baskett
- Baskette
- Bass
- Bassett
- Bassey
- Bastian
- Batchelder
- Batchelor
- Batiansila
- Batipps
- Batten
- Battle
- Batts
- Batura
- Baucom
- Baugus
- Baukus
- Bauman
- Baumeister
- Bayle
- Bayles
- Bayola
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- Bazemore
- Beach
- Beacham
- Beachum
- Beakey
- Beal
- Beale
- Bealo
- Beam
- Beaman
- Beard
- Bearden
- Beasley
- Beattie
- Beatty
- Beaty
- Beauchaine
- Beavans
- Beaver
- Beavers
- Bechtel
- Beck
- Beckett
- Beckner
- Becton
- Bedair
- Beddingfield
- Bedo
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- Beery
- Beese
- Beetham
- Beguelin
- Begun
- Beidl
- Beilman
- Bejaran
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- Belch
- Belcher
- Belden
- Belk
- Bell
- Bellingham
- Bellopatrick
- Belmont
- Belmonte
- Belnak
- Belue
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- Benevento
- Benfield
- Bengtson
- Benjamin
- Bennett
- Benny
- Benson
- Bentley
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- Benyas
- Benzine
- Benzinger
- Bercegeay
- Berg
- Berger
- Bergman
- Berinson
- Berke
- Berkey
- Berkley
- Bernard
- Bernhard
- Bernhardt
- Berning
- Berry
- Berryann
- Berryhill
- Bersuder
- Bert
- Berwick
- Best
- Beth
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- Bethune
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- Betz
- Beuoit
- Beute
- Bevacqua
- Beyer
- Bezera
- Bhakta
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- Biales
- Biddell
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- Bidwell
- Bielinski
- Biemer
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- Billheimer
- Billingsley
- Bindra
- Bing
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- Binni
- Bird
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- Birk
- Bischler
- Bish
- Bishel
- Bishir
- Bishop
- Bisset
- Bissette
- Bittinger
- Bivens
- Bixby
- Black
- Blackburn
- Blackford
- Blackley
- Blackman
- Blackmon
- Blackwell
- Blackwood
- Blad
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- Blair
- Blake
- Blalock
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- Bland
- Blank
- Blankenhorn
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- Blowe
- Blue
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- Blythe
- Board
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- Boddie
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- Boehlert
- Boehm
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- Boes
- Boettler
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- Bogus
- Boisseau
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- Bolch
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- Bolick
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- Bologna
- Bolton
- Bolus
- Bonaparte
- Boncek
- Bond
- Bonds
- Boneham
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- Bonifant
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- Booker
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- Boon
- Boone
- Boos
- Booth
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- Bornheimer
- Boroski
- Bosak
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- Boston
- Boswell
- Botelho
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- Bottiglier
- Botts
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- Bouknight
- Bourham
- Bouroudjian
- Boury
- Bousquet
- Boutni
- Bovette
- Bowab
- Bowden
- Bowen
- Bowerman
- Bowers
- Bowles
- Bowman
- Bowyer
- Boyd
- Boye
- Boyette
- Boykin
- Boylan
- Boyles
- Brabec
- Brackett
- Bradberry
- Braddy
- Bradley
- Bradshaw
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- Brady
- Brafford
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- Branch
- Brandau
- Brandenburg
- Brandle
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- Branz
- Braswell
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- Brauer
- Braun
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- Breakey
- Breazeale
- Bredenberg
- Breedlove
- Breidt
- Breitsprecher
- Breniman
- Brennan
- Brettschneider
- Breuer
- Breve
- Brewer
- Brewington
- Brewster
- Bricklin
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- Bridges
- Bridgham
- Brien
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- Bright
- Brill
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- Brimhall
- Bring
- Brinkerhoff
- Brinkley
- Brinson
- Brisson
- Britt
- Britt-Thomas
- Britton
- Broaddus
- Broadnax
- Broadwell
- Brock
- Brocklebank
- Brockman
- Broderick
- Brodie
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- Brogden
- Bromby
- Bromell
- Bromer
- Brommer
- Brook
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- Brookshire
- Brosan
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- Brouillard
- Brower
- Brown
- Brownell
- Browning
- Brozell
- Brueck
- Bruening
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- Bruhn
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- Bruno
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- Brustofski
- Bruton
- Brutting
- Bryan
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- Bryda
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- Buchanan
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- Buchheit
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- Buchwald
- Buck
- Buckalew
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- Buckland
- Buckley
- Bucsan
- Buczak
- Buduo
- Buehler
- Buell
- Buffaloe
- Bugner
- Buie
- Bujewski
- Buley
- Bulkowski
- Bull
- Bullard
- Bullock
- Bulluck
- Bumgarner
- Bumpers
- Bunce
- Bunch
- Bunn
- Buntic
- Bunting
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- Burell
- Burger
- Burgess
- Burgin
- Burgwyn
- Burk
- Burkard
- Burke
- Burkett
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- Burkhart
- Burkoski
- Burlin
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- Burnham
- Burns
- Burnside
- Burrell
- Burris
- Burroughs
- Burroughs-Price
- Burrows
- Burt
- Burton
- Burtt
- Burwell
- Busch
- Bush
- Bushey
- Buskirks
- Buss
- Buster
- Bustle
- Butkerait
- Butkus
- Butler
- Butson
- Buttaci
- Butts
- Butzer
- Byarlay
- Byars
- Bye
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- Byham
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- Byrd