Constituencies
| Name | Notes |
|---|---|
| Dearne Valley | Full name (in Craig 4) Yorkshire (West Riding), Dearne Valley |
| Delyn | |
| Denbigh | Full name (in Craig 3,4) Denbighshire, Denbigh |
| Denbigh District of Boroughs | |
| Denbighshire | |
| Denbighshire Eastern | |
| Denbighshire Western | |
| Denton and Reddish | |
| Deptford | Constituency first used at the February General election of 1974 (28/02/1974). |
| Derby | |
| Derby North | |
| Derbyshire Dales | |
| Derbyshire Eastern | |
| Derbyshire Mid | |
| Derbyshire Mid | Constituency of the same name also existed 1885-1918. |
| Derbyshire North East | |
| Derbyshire North Eastern | |
| Derbyshire Northern | |
| Derbyshire South | |
| Derbyshire South East | |
| Derbyshire Southern | |
| Derbyshire West | |
| Derbyshire Western | |
| Derby South | |
| Devizes | Full name (in Craig 2,3,4) Wiltshire, Devizes |