1918
| Constituency | Notes |
|---|---|
| Wisbech (1885 - 1918) | Full name (in Craig 2) Cambridgeshire, Wisbech |
| Wolverhampton South (1885 - 1918) | |
| Woodstock (1832 - 1918) | Full name (in Craig 2) Oxfordshire, Woodstock |
| Woolwich (1885 - 1918) | Seat of same name existed 1983-1997. |
| Worcestershire Eastern (1832 - 1918) | |
| Worcestershire Northern (1885 - 1918) |