| Western Isles |
Full name (in Craig 3,4) Inverness-shire and Ross and Cromarty, Western Isles |
| West Ham |
|
| West Ham and Beckton |
|
| West Ham North |
Constituency of same name also existed 1950-1974¹. |
| West Ham North |
Constituency first used at the February General election of 1974 (28/02/1974). Constituency of same name also existed 1885-1918. |
| West Ham Plaistow |
|
| West Ham Silvertown |
|
| West Ham South |
Constituency of same name also existed 1950-1974¹ |
| West Ham South |
Constituency first used at the February General election of 1974 (28/02/1974). Constituency of same name also existed 1885-1918 |
| West Ham Stratford |
|
| West Ham Upton |
|
| Westhoughton |
Full name (in Craig 2,3,4) Lancashire, Westhoughton |
| West Lothian |
|
| Westmeath |
Constituency of same name also existed 1918-1922. |
| Westmeath |
Constituency of same name also existed 1832-1885 |
| Westmeath North |
|
| Westmeath South |
|
| Westminster |
|
| Westminster Abbey |
|
| Westminster North |
|
| Westminster St George's |
|
| Westmorland |
Constituency of same name also existed 1918-1974¹. |
| Westmorland |
Constituency of same name also existed 1832-1885. |
| Westmorland and Lonsdale |
|
| Weston-super-Mare |
Full name (in Craig 3,4) Somerset, Weston-super-Mare |