| Weald of Kent |
|
| Weaver Vale |
|
| Wednesbury |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Wellingborough |
Full name (in Craig 3,4) Northamptonshire (and the Soke of Peterborough), Wellingborough |
| Wellingborough and Rushden |
|
| Wellington [Shropshire] |
|
| Wellington [Somerset] |
Full name (in Craig 2) Somerset, Wellington |
| Wells |
Full name (in Craig 2,3,4) Somerset, Wells |
| Wells and Mendip Hills |
|
| Welwyn and Hatfield |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Welwyn Hatfield |
|
| Wembley North |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Wembley South |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Wenlock |
|
| Wentworth |
Full name (in Craig 3) Yorkshire (West Riding), Wentworth |
| Wentworth and Dearne |
Most of the constituency succeeds Wentworth however the large settlement of Dearne was instead the largest in Barnsley East and Mexborough |
| West Bromwich |
Constituency first used at the February General election of 1974 (28/02/1974). |
| West Bromwich |
|
| West Bromwich East |
Constituency first used at the February General election of 1974 (28/02/1974). |
| West Bromwich West |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Westbury |
Full name (in Craig 2,3,4) Wiltshire, Westbury |
| 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 1950-1974ยน. |