Constituencies
| Name | Notes |
|---|---|
| Belfast West | Constituency of same name reformed 1922. |
| Belfast Woodvale | |
| Belper | Full name (in Craig 3,4) Derbyshire, Belper |
| Berkshire | |
| Berkshire East | |
| Bermondsey | |
| Bermondsey and Old Southwark | |
| Bermondsey Rotherhithe | |
| Bermondsey West Bermondsey | |
| Berwick and East Lothian | |
| Berwickshire | |
| Berwickshire and East Lothian | Slight change of name rather than true revision in 1974 - see Berwick and East Lothian. |
| Berwickshire and Haddingtonshire | |
| Berwickshire, Roxburgh and Selkirk | |
| Berwick-upon-Tweed | Full name (in Craig 2,3,4) Northumberland, Berwick-upon-Tweed |
| Bethnal Green | |
| Bethnal Green and Bow | |
| Bethnal Green and Stepney | |
| Bethnal Green North East | |
| Bethnal Green South West |