| St Helens (1885 - 1983) |
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| Stowmarket (1885 - 1918) |
Full name (in Craig 2) Suffolk, Stowmarket |
| St Pancras East (1885 - 1918) |
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| St Pancras North (1885 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| St Pancras South (1885 - 1918) |
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| St Pancras West (1885 - 1918) |
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| Strand (1885 - 1918) |
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| Stratford-on-Avon (1885 - 1918) |
Full name (in Craig 2) Warwickshire, Stratford-on-Avon; in Craig 4 Warwickshire, Stratford. Seat of same name reformed 1950. |
| Stretford (1885 - 1997) |
Full name (in Craig 2,3) Lancashire, Stretford |
| Sudbury (1885 - 1950) |
Full name (in Craig 2,3) Suffolk (West), Sudbury. Constituency of same name also existed 1832-1844. |
| Swansea Town (1885 - 1918) |
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| Thirsk and Malton (1885 - 1983) |
Full name (in Craig 2,3,4) Yorkshire (North Riding), Thirsk and Malton. Also a constituency from 2010. |
| Thornbury (1885 - 1950) |
Full name (in Craig 2,3) Gloucestershire, Thornbury |
| Tipperary East (1885 - 1922) |
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| Tipperary Mid (1885 - 1922) |
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| Tipperary North (1885 - 1922) |
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| Tipperary South (1885 - 1922) |
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| Torquay (1885 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). Full name (in Craig 2,3) Devon, Torquay |
| Totnes (1885 - 2024) |
Constituency of same name also existed 1832-1868. Full name (in Craig 2,3,4) Devon, Totnes. |
| Tottenham (1885 - 1918) |
Full name (in Craig 2) Middlesex, Tottenham. Constituency of same name also existed 1950-1974ยน, and reformed 1983. |
| Tower Hamlets Bow and Bromley (1885 - 1918) |
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| Tower Hamlets Limehouse (1885 - 1918) |
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| Tower Hamlets Mile End (1885 - 1918) |
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| Tower Hamlets Poplar (1885 - 1918) |
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| Tower Hamlets Stepney (1885 - 1918) |
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