| Jackson, Glenda Hampstead & Kilburn | Lab |
| Jackson, Stewart Peterborough | C |
| James, Margot Stourbridge | C |
| James, Siân Swansea East | Lab |
| Jamieson, Cathy Kilmarnock & Loudoun | Lab |
| Javid, Sajid Bromsgrove | C |
| Jenkin, Bernard Harwich & Essex North | C |
| Johnson, Gareth Dartford | C |
| Johnson, Diana Hull North | Lab |
| Johnson, Alan Hull West & Hessle | Lab |
| Johnson, Joseph Orpington | C |
| Jones, Susan Elan Clwyd South | Lab |
| Jones, David Clwyd West | C |
| Jones, Kevan Durham North | Lab |
| Jones, Andrew Harrogate & Knaresborough | C |
| Jones, Graham Hyndburn | Lab |
| Jones, Marcus Nuneaton | C |
| Jones, Helen Warrington North | Lab |
| Jowell, Tessa Dulwich & West Norwood | Lab |
| Joyce, Eric Falkirk | Lab |
