- William Belcher
- William Benitez
- William Berger
- William Bergström
- William Bernat
- William Bernstein
- William Berrington
- William Bettis
- William Bianco
- William Bihrle
- William Bindley
- William Bishop
- William Blackburn
- William Blackford
- William Blair
- William Blair
- William Blake III
- William Blank
- William Blick
- William Block
- William Blumenthal
- William Bogdan
- William Bolster
- William Bolton
- William Bonner
- William Booth
- William Boshnick
- William Bouhelier
- William Bowmer
- William Boyd
- William Brame
- William Bray
- William Bray
- William Bresee
- William Brewer
- William Brewster
- William Britton
- William Brophy
- William Broughton
- William Brown