- Babs
- Baby
- Bacca
- Bailey
- Baker
- Bancroft
- Bane
- Banks
- Bannister
- Barbara
- Barker
- Barnes
- Barnett
- Barr
- Barras
- Barret
- Bartlett
- Bass
- Bates
- Bay
- Baylee
- Bean
- Beard
- Beasley
- Beatrice
- Beatrix
- Beauty
- Becca
- Becka
- Becker
- Beckett
- Becky
- Bede
- Beecher
- Beky
- Belinda
- Bell
- Bella
- Belle
- Bellinda
- Benning
- Bentley
- Berenice
- Berkeley
- Berry
- Bertha
- Bertie
- Beryl
- Bess
- Bessie
- Beth
- Bethany
- Betsy
- Betty
- Beverly
- Bianca
- Bibi
- Biden
- Billy
- Binder
- Bingley
- Birdie
- Bixby
- Blackburn
- Blackwell
- Blake
- Blakely
- Blakeney
- Blaze
- Blessing
- Bliss
- Blithe
- Blossom
- Bluebell
- Blush
- Bly
- Blythe
- Bogart
- Bonnie
- Botham
- Bowers
- Boyer
- Bracken
- Bradbury
- Braddock
- Braelyn
- Braewyn
- Brantley
- Branxton
- Braylee
- Brazen
- Brea
- Breelin
- Breeze
- Brenlee
- Brenna
- Brenta
- Brentley
- Brett
- Brewer
- Bria
- Briana
- Brianna
- Briar
- Bridge
- Bridges
- Bridget
- Bridgete
- Brielle
- Brienna
- Brienne
- Brier
- Briggs
- Brilane
- Brinkley
- Britania
- Britny
- Brittanya
- Brittany
- Brittnee
- Brunley
- Brinly
- Bristol
- Brit
- Brita
- Britain
- Britannia
- Britany
- Britney
- Brittania
- Brittany
- Brittnee
- Brittney
- Britton
- Bron
- Brook
- Brooke
- Brookfield
- Brooks
- Bronnie
- Brunhilda
- Bruton
- Bryar
- Bryce
- Bryony
- Brynna
- Bryssa
- Brystol
- Buckingham
- Burnett
- Burns
- Burrel
- Bush