Party | Portrait | Name | Constituency | Year elected | Year left | Reason |
| Labour | | Candy Atherton | Falmouth and Camborne | 1997 | 2005 | Defeated |
| Labour | | Charlotte Atkins | Staffordshire Moorlands | 1997 | 2010 | Defeated |
| Liberal Democrats | | Jackie Ballard | Taunton | 1997 | 2001 | Defeated |
| Labour | | Anne Begg[110] | Aberdeen South | 1997 | 2015 | Defeated |
| Labour | | Liz Blackman | Erewash | 1997 | 2010 | Retired |
| Labour | | Hazel Blears | Salford & Salford and Eccles | 1997 | 2015 | Retired |
| Labour | | Helen Brinton | Peterborough | 1997 | 2005 | Defeated |
| Labour | | Karen Buck | Regent's Park and Kensington North & Westminster North | 1997 | 2024 | Retired |
| Labour | | Christine Butler | Castle Point | 1997 | 2001 | Defeated |
| Labour | | Lynda Clark[111] | Edinburgh Pentlands | 1997 | 2005 | Retired |
| Labour | | Yvette Cooper[112] | Pontefract and Castleford & Normanton, Pontefract and Castleford | 1997 | | Serving |
| Labour | | Ann Cryer[113] | Keighley | 1997 | 2010 | Retired |
| Labour | | Claire Curtis-Thomas | Crosby | 1997 | 2010 | Retired |
| Labour | | Valerie Davey | Bristol West | 1997 | 2005 | Defeated |
| Labour | | Janet Dean | Burton | 1997 | 2010 | Retired |
| Labour | | Julia Drown | South Swindon | 1997 | 2005 | Retired |
| Labour | | Maria Eagle[114] | Liverpool Garston & Garston and Halewood | 1997 | | Serving |
| Labour | | Louise Ellman | Liverpool Riverside | 1997 | 2019 (Crossed the floor) | Resigned from Labour, became an Independent |
| Independent | 2019 | 2019 | Retired |
| Labour | | Lorna Fitzsimons | Rochdale | 1997 | 2005 | Defeated |
| Labour | | Caroline Flint | Don Valley | 1997 | 2019 | Defeated |
| Labour | | Barbara Follett[115] | Stevenage | 1997 | 2010 | Retired |
| Labour Co-op | | Linda Gilroy | Plymouth Sutton | 1997 | 2010 | Defeated |
| Labour | | Eileen Gordon | Romford | 1997 | 2001 | Defeated |
| Labour | | Jane Griffiths | Reading East | 1997 | 2005 | De-selected |
| Labour | | Patricia Hewitt | Leicester West | 1997 | 2010 | Retired |
| Labour | | Beverley Hughes[116] | Stretford and Urmston | 1997 | 2010 | Retired |
| Labour | | Joan Humble | Blackpool North and Fleetwood | 1997 | 2010 | Retired |
| Labour | | Melanie Johnson | Welwyn Hatfield | 1997 | 2005 | Defeated |
| Labour | | Fiona Jones | Newark | 1997 | 2001 | Defeated |
| Labour | | Helen Jones | Warrington North | 1997 | 2019 | Retired |
| Labour | | Jenny Jones | Wolverhampton South West | 1997 | 2001 | Retired |
| Labour | | Sally Keeble[117] | Northampton North | 1997 | 2010 | Defeated |
| Labour | | Ann Keen[118] | Brentford and Isleworth | 1997 | 2010 | Defeated |
| Labour | | Ruth Kelly | Bolton West | 1997 | 2010 | Retired |
| Labour | | Oona King[119] | Bethnal Green and Bow | 1997 | 2005 | Defeated |
| Labour | | Tess Kingham | Gloucester | 1997 | 2001 | Retired |
| Conservative | | Julie Kirkbride[120] | Bromsgrove | 1997 | 2010 | Retired |
| Conservative | | Eleanor Laing[43] | Epping Forest | 1997 | 2024 | Retired |
| Labour | | Jackie Lawrence | Preseli Pembrokeshire | 1997 | 2005 | Retired |
| Labour | | Fiona Mactaggart[121] | Slough | 1997 | 2017 | Retired |
| Labour | | Judy Mallaber | Amber Valley | 1997 | 2010 | Defeated |
| Conservative | | Theresa May | Maidenhead | 1997 | 2024 | Retired |
| Labour | | Christine McCafferty | Calder Valley | 1997 | 2010 | Retired |
| Labour | | Siobhain McDonagh[122] | Mitcham and Morden | 1997 | | Serving |
| Labour | | Anne McGuire[123] | Stirling | 1997 | 2015 | Retired |
| Conservative | | Anne McIntosh[124] | Vale of York & Thirsk and Malton | 1997 | 2015 | De-selected |
| Labour | | Shona McIsaac | Cleethorpes | 1997 | 2010 | Defeated |
| Labour | | Rosemary McKenna[44] | Cumbernauld and Kilsyth & Cumbernauld, Kilsyth and Kirkintilloch East | 1997 | 2010 | Retired |
| Labour | | Gillian Merron[125] | Lincoln | 1997 | 2010 | Defeated |
| Labour | | Laura Moffatt | Crawley | 1997 | 2010 | Retired |
| Labour | | Margaret Moran | Luton South | 1997 | 2010 | Retired after being barred from standing again for the Labour Party |
| Labour | | Julie Morgan[126] | Cardiff North | 1997 | 2010 | Defeated |
| Labour | | Kali Mountford | Colne Valley | 1997 | 2010 | Retired |
| Labour | | Diana Organ | Forest of Dean | 1997 | 2005 | Retired |
| Labour | | Sandra Osborne | Ayr & Ayr, Carrick and Cumnock | 1997 | 2015 | Defeated |
| Labour | | Linda Perham | Ilford North | 1997 | 2005 | Defeated |
| Labour | | Christine Russell | City of Chester | 1997 | 2010 | Defeated |
| Labour | | Joan Ryan | Enfield North | 1997 & 2015 | 2010 & 2018 (Crossed the floor) | Defeated & left Labour Party and joined Change UK |
| Change UK | 2018 | 2019 | Retired |
| Labour | | Debra Shipley | Stourbridge | 1997 | 2005 | Retired |
| Labour Co-op | | Angela Smith[127] | Basildon (contested South Basildon and East Thurrock) | 1997 | 2010 | Defeated |
| Labour | | Geraldine Smith | Morecambe and Lunesdale | 1997 | 2010 | Defeated |
| Labour | | Jacqui Smith | Redditch | 1997 | 2010 | Defeated |
| Labour | | Helen Southworth | Warrington South | 1997 | 2010 | Retired |
| Conservative | | Caroline Spelman[43] | Meriden | 1997 | 2019 | Retired |
| Labour | | Phyllis Starkey | Milton Keynes South West (contested Milton Keynes South) | 1997 | 2010 | Defeated |
| Labour | | Gisela Stuart[128] | Birmingham Edgbaston | 1997 | 2017 | Retired |
| Labour | | Dari Taylor[129] | Stockton South | 1997 | 2010 | Defeated |
| Liberal Democrats | | Jenny Tonge[130] | Richmond Park | 1997 | 2005 | Retired |
| Labour | | Claire Ward | Watford | 1997 | 2010 | Defeated |
| Labour | | Betty Williams | Conwy | 1997 | 2010 | Retired |
| Labour | | Rosie Winterton[43] | Doncaster Central | 1997 | 2024 | Retired |
| Liberal Democrats | | Sandra Gidley | Romsey (contested Romsey and Southampton North) | 2000 | 2010 | Defeated |
| Labour | | Vera Baird[131] | Redcar | 2001 | 2010 | Defeated |
| Liberal Democrats | | Annette Brooke[43] | Mid Dorset and North Poole | 2001 | 2015 | Retired |
| Liberal Democrats | | Patsy Calton | Cheadle | 2001 | 2005 | Died |
| Liberal Democrats | | Sue Doughty | Guildford | 2001 | 2005 | Defeated |
| SNP | | Annabelle Ewing[132] | Perth (contested Ochil and South Perthshire) | 2001 | 2005 | Defeated |
| Sinn Féin | | Michelle Gildernew[133] | Fermanagh and South Tyrone | 2001 & 2017 (did not take seat) | 2015 & 2024 | Defeated & retired |
| UUP | | Sylvia Hermon[134] | North Down | 2001 | 2010 (Crossed the floor) | Resigned from the UUP, became an Independent Unionist |
| Independent Unionist | 2010 | 2019 | Retired |
| Labour | | Ann McKechin | Glasgow Maryhill & Glasgow North | 2001 | 2015 | Defeated |
| Labour | | Anne Moffat | East Lothian | 2001 | 2010 | De-selected |
| Labour | | Meg Munn | Sheffield Heeley | 2001 | 2015 | Retired |
| DUP | | Iris Robinson[135] | Strangford | 2001 | 2010 | Expelled from the DUP, became an Independent Unionist |
| Independent Unionist | 2010 | 2010 | Resigned |
| Conservative | | Angela Watkinson[43] | Upminster & Hornchurch and Upminster | 2001 | 2017 | Retired |
| Liberal Democrats | | Sarah Teather | Brent East & Brent Central | 2003 | 2015 | Retired |
| Labour | | Celia Barlow | Hove | 2005 | 2010 | Defeated |
| Labour | | Roberta Blackman-Woods | City of Durham | 2005 | 2019 | Retired |
| Labour | | Lyn Brown | West Ham | 2005 | | Serving |
| Liberal Democrats | | Lorely Burt[136] | Solihull | 2005 | 2015 | Defeated |
| Labour | | Dawn Butler | Brent South (contested Brent Central) & Brent Central | 2005 & 2015 | 2010 | Defeated & serving |
| Labour | | Katy Clark[137] | North Ayrshire and Arran | 2005 | 2015 | Defeated |
| Labour | | Rosie Cooper | West Lancashire | 2005 | 2022 | Resigned |
| Labour | | Mary Creagh | Wakefield | 2005 | 2019 | Defeated |
| Conservative | | Nadine Dorries | Mid Bedfordshire | 2005 | 2023 | Resigned |
| Labour | | Natascha Engel | North East Derbyshire | 2005 | 2017 | Defeated |
| Liberal Democrats | | Lynne Featherstone[138] | Hornsey and Wood Green | 2005 | 2015 | Defeated |
| Liberal Democrats | | Julia Goldsworthy | Falmouth and Camborne (contested Camborne and Redruth) | 2005 | 2010 | Defeated |
| Labour | | Helen Goodman | Bishop Auckland | 2005 | 2019 | Defeated |
| Conservative | | Justine Greening | Putney | 2005 | 2019 (Crossed the floor) | Stripped of Conservative whip, became an Independent |
| Independent | 2019 | 2019 | Retired |
| Labour | | Nia Griffith[43] | Llanelli | 2005 | | Serving |
| Labour Co-op | | Meg Hillier[139] | Hackney South and Shoreditch | 2005 | | Serving |
| Labour | | Sharon Hodgson | Gateshead East and Washington West & Washington and Sunderland West | 2005 | | Serving |
| Labour | | Siân James | Swansea East | 2005 | 2015 | Retired |
| Labour | | Diana Johnson[43] | Kingston upon Hull North | 2005 | | Serving |
| Liberal Democrats | | Susan Kramer[140] | Richmond Park | 2005 | 2010 | Defeated |
| Labour | | Barbara Keeley | Worsley & Worsley and Eccles South | 2005 | | Serving |
| Conservative | | Anne Main | St Albans | 2005 | 2019 | Defeated |
| Labour | | Kerry McCarthy | Bristol East | 2005 | | Serving |
| Labour Co-op | | Sarah McCarthy-Fry | Portsmouth North | 2005 | 2010 | Defeated |
| Conservative | | Maria Miller[43] | Basingstoke | 2005 | | Serving |
| Conservative | | Anne Milton | Guildford | 2005 | 2019 (Crossed the floor) | Stripped of Conservative whip, became an Independent |
| Independent | 2019 | 2019 | Defeated |
| Labour | | Madeleine Moon | Bridgend | 2005 | 2019 | Defeated |
| Labour | | Jessica Morden | Newport East | 2005 | | Serving |
| Labour Co-op | | Linda Riordan | Halifax | 2005 | 2015 | Retired |
| Labour | | Alison Seabeck[141] | Plymouth Devonport & Plymouth Moor View | 2005 | 2015 | Defeated |
| Labour | | Angela C. Smith | Sheffield Hillsborough & Penistone and Stocksbridge (contested Altrincham and Sale West) | 2005 | 2018 (Crossed the floor) | Left Labour Party, joined Change UK |
| Change UK | 2018 | 2019 (Crossed twice) | Left Change UK, became an Independent |
| Independent | 2019 | Joined the Liberal Democrats |
| Liberal Democrats | 2019 | Defeated |
| Labour | | Anne Snelgrove | South Swindon | 2005 | 2010 | Defeated |
| Liberal Democrats | | Jo Swinson[142] | East Dunbartonshire | 2005 & 2017 | 2015 & 2019 | Defeated & defeated |
| Labour | | Emily Thornberry[143] | Islington South and Finsbury | 2005 | | Serving |
| Labour | | Kitty Ussher[144] | Burnley | 2005 | 2010 | Retired |
| Conservative | | Theresa Villiers[145] | Chipping Barnet | 2005 | | Serving |
| Labour | | Lynda Waltho | Stourbridge | 2005 | 2010 | Defeated |
| Liberal Democrats | | Jenny Willott | Cardiff Central | 2005 | 2015 | Defeated |
| Conservative | | Chloe Smith | Norwich North | 2009 | 2024 | Retired |