| Chigwell (1950 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). Full name (in Craig 4) Essex, Chigwell |
| Cities of London and Westminster (1950 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). Constituency of same name reformed 1997. |
| Clackmannan and East Stirlingshire (1950 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). Full name (in Craig 4) Stirlingshire and Clackmannanshire, Clackmannan and East Stirlingshire |
| Coatbridge and Airdrie (1950 - 1983) |
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| Conway (1950 - 1983) |
Full name (in Craig 4) Caernarvonshire, Conway. Revision in 1983 was to spelling (Conwy) rather than major boundary change. |
| Cornwall North (1950) |
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| Coventry North (1950 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Coventry South (1950 - 1974) |
Constituency first used at the February General election of 1974 (28/02/1974). Constituency of same name reformed 1997. |
| Crosby (1950 - 2010) |
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| Croydon East (1950 - 1955) |
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| Croydon West (1950 - 1955) |
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| Dearne Valley (1950 - 1983) |
Full name (in Craig 4) Yorkshire (West Riding), Dearne Valley |
| Derby North (1950) |
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| Derbyshire North East (1950) |
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| Derbyshire South East (1950 - 1983) |
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| Derbyshire West (1950 - 2010) |
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| Derby South (1950) |
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| Devon North (1950) |
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| Dorking (1950 - 1983) |
Full name (in Craig 4) Surrey, Dorking |
| Dorset North (1950) |
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| Dorset South (1950) |
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| Dorset West (1950) |
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| Down North (1950) |
Constituency of same name also existed 1885-1922. |
| Down South (1950) |
Constuency of same name also existed 1885-1922. |
| Droylsden (1950 - 1955) |
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