| Camden St Pancras North (1974 - 1983) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Cannock (1918 - 1983) |
Full name (in Craig 3,4) Staffordshire, Cannock |
| Cardiff North West (1974 - 1983) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Cardiff South East (1950 - 1983) |
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| Cardigan (1974 - 1983) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Carlton (1950 - 1983) |
Full name (in Craig 4) Nottinghamshire, Carlton |
| Chester-le-Street (1885 - 1983) |
Full name (in Craig 2,3,4) Durham, Chester-le-Street |
| Chippenham (1832 - 1983) |
Full name (in Craig 2,3,4) Wiltshire, Chippenham. Also known as Wiltshire North Western. |
| Christchurch and Lymington (1974 - 1983) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Cities of London and Westminster Paddington (1974 - 1983) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Cleveland and Whitby (1974 - 1983) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Clitheroe (1832 - 1983) |
Full name (in Craig 2,3,4) Lancashire, Clitheroe |
| Coatbridge and Airdrie (1950 - 1983) |
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| Colchester (1832 - 1983) |
Full name (in Craig 3,4) Essex, Colchester. Constitutency of same name reformed 1997. |
| Consett (1918 - 1983) |
Full name (in Craig 3,4) Durham, Consett |
| Conway (1950 - 1983) |
Full name (in Craig 4) Caernarvonshire, Conway. Revision in 1983 was to spelling (Conwy) rather than major boundary change. |
| Crewe (1885 - 1983) |
Full name (in Craig 2,3,4) Cheshire, Crewe |
| Darwen (1885 - 1983) |
Full name (in Craig 2,3,4) Lancashire, Darwen |
| Dearne Valley (1950 - 1983) |
Full name (in Craig 4) Yorkshire (West Riding), Dearne Valley |
| Denbigh (1918 - 1983) |
Full name (in Craig 3,4) Denbighshire, Denbigh |
| Derbyshire South East (1950 - 1983) |
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| Devon West (1974 - 1983) |
Constituency first used at the February General election of 1974 (28/02/1974). |
| Doncaster (1885 - 1983) |
Full name (in Craig 2,3) Yorkshire (West Riding), Doncaster |
| Dorking (1950 - 1983) |
Full name (in Craig 4) Surrey, Dorking |
| Dover and Deal (1974 - 1983) |
Constituency first used at the February General election of 1974 (28/02/1974). |