| Bedfordshire South |
|
| Bedfordshire South West |
|
| Bedwellty |
Full name (in Craig 3,4) Monmouthshire, Bedwellty |
| Beeston |
|
| Belfast |
|
| Belfast Cromac |
|
| Belfast Duncairn |
|
| Belfast East |
Constituency of same name reformed 1922 |
| Belfast East |
Constituency of same name also existed 1885-1918. |
| Belfast Falls |
|
| Belfast North |
Constituency of same name also existed 1885-1918. |
| Belfast North |
Constituency of same name reformed 1922 |
| Belfast Ormeau |
|
| Belfast Pottinger |
|
| Belfast Shankill |
|
| Belfast South |
Constituency of same name also existed 1885-1918. |
| Belfast South |
Constituency of same name reformed 1922. |
| Belfast St Anne's |
|
| Belfast Victoria |
|
| Belfast West |
Constituency of same name reformed 1922. |