| Dagenham and Rainham | Margaret Mullane | Labour | 4 July 2024 |
| Darlington | Lola McEvoy | Labour | 4 July 2024 |
| Dartford | Jim Dickson | Labour | 4 July 2024 |
| Daventry | Stuart Andrew | Conservative | 6 May 2010 |
| Derby North | Catherine Atkinson | Labour | 4 July 2024 |
| Derby South | Baggy Shanker | Labour (Co-op) | 4 July 2024 |
| Derbyshire Dales | John Whitby | Labour | 4 July 2024 |
| Dewsbury and Batley | Iqbal Mohamed | Independent | 4 July 2024 |
| Didcot and Wantage | Olly Glover | Liberal Democrat | 4 July 2024 |
| Doncaster Central | Sally Jameson | Labour (Co-op) | 4 July 2024 |
| Doncaster East and the Isle of Axholme | Lee Pitcher | Labour | 4 July 2024 |
| Doncaster North | Ed Miliband | Labour | 5 May 2005 |
| Dorking and Horley | Chris Coghlan | Liberal Democrat | 4 July 2024 |
| Dover and Deal | Mike Tapp | Labour | 4 July 2024 |
| Droitwich and Evesham | Nigel Huddleston | Conservative | 7 May 2015 |
| Dudley | Sonia Kumar | Labour | 4 July 2024 |
| Dulwich and West Norwood | Helen Hayes | Labour | 7 May 2015 |
| Dumfries and Galloway | John Cooper | Conservative | 4 July 2024 |
| Dumfriesshire, Clydesdale and Tweeddale | David Mundell | Conservative | 5 May 2005 |
| Dundee Central | Chris Law | Scottish National Party | 7 May 2015 |
| Dunfermline and Dollar | Graeme Downie | Labour | 4 July 2024 |
| Dunstable and Leighton Buzzard | Alex Mayer | Labour | 4 July 2024 |
| Dwyfor Meirionnydd | Liz Saville Roberts | Plaid Cymru | 7 May 2015 |