- Buchanan-Riddell
- Buchler
- Buck
- Buckingham
- Buckland
- Buckle
- Buckley
- Buckman
- Bucknill
- Buckwell
- Budd
- Budde
- Buddell
- Budge
- Budgen
- Budzinske
- Budzinski
- Buehner
- Bulbeck
- Bulford
- Bull
- Bullen
- Buller
- Bullin
- Bullingham
- Bullock
- Bulpett
- Bulteel
- Bulwer
- Bunce
- Bunclark
- Bundy
- Bunker
- Bunn
- Bunting
- Bunyan
- Bunyard
- Burch
- Burchell
- Burchett
- Burden
- Burdett
- Burdfield
- Buress
- Burge
- Burgess