Constituencies
| Name | Notes |
|---|---|
| Selby | |
| Selby | |
| Selby and Ainsty | Successor to Selby |
| Selkirkshire | |
| Sevenoaks | Full name (in Craig 2,3,4) Kent, Sevenoaks |
| Shaftesbury | |
| Sheffield | |
| Sheffield, Attercliffe | |
| Sheffield, Brightside | |
| Sheffield, Brightside and Hillsborough | |
| Sheffield Central | |
| Sheffield, Ecclesall | |
| Sheffield, Hallam | |
| Sheffield, Heeley | |
| Sheffield, Hillsborough | |
| Sheffield, Neepsend | |
| Sheffield Park | |
| Sheffield South East | |
| Sherwood | |
| Sherwood Forest | |
| Shipley | Full name (in Craig 2,3,4) Yorkshire (West Riding), Shipley |
| Shoreditch | |
| Shoreditch and Finsbury | Constituency first used at the February General election of 1974 (28/02/1974). |
| Shoreditch Haggerston | |
| Shoreditch Hoxton |