This is a list of Members of Parliament (MPs) elected to the House of Commons of the United Kingdom by Welsh constituencies for the Fifty-Fifth Parliament of the United Kingdom (2010 to 2015).
It includes both MPs elected at the 2010 general election, held on 6 May 2010, and those subsequently elected in by-elections.
The list is sorted by the name of the MP, and MPs who did not serve throughout the Parliament are italicised. New MPs elected since the general election are noted at the bottom of the page.
| MP | Constituency | Party | In constituency since |
|---|
| Guto|Bebb}} | Aberconwy | Conservative Party | 2010 |
| Kevin|Brennan|Kevin Brennan (politician)}} | Cardiff West | Labour Party | 2001 |
| Chris|Bryant}} | Rhondda | Labour Party | 2001 |
| Alun|Cairns}} | Vale of Glamorgan | Conservative Party | 2010 |
| Martin|Caton}} | Gower | Labour Party | 1997 |
| Ann|Clwyd}} | Cynon Valley | Labour Party | 1984 by-election |
| Stephen|Crabb}} | Preseli Pembrokeshire | Conservative Party | 2005 |
| Wayne|David}} | Caerphilly | Labour Party | 2001 |
| David|Davies|David Davies (Welsh politician)}} | Monmouth | Conservative Party | 2005 |
| Geraint|Davies|Geraint Davies (Labour politician)}} | Swansea West | Labour/Co-operative | 2010 |
| Glyn|Davies|Glyn Davies (British politician)}} | Montgomeryshire | Conservative Party | 2010 |
| Stephen|Doughty}} | Cardiff South and Penarth | Labour/Co-operative | 2012 by-election |
| Jonathan|Edwards|Jonathan Edwards (Welsh politician)}} | Carmarthen East and Dinefwr | Plaid Cymru | 2010 |
| Chris|Evans|Chris Evans (British politician)}} | Islwyn | Labour/Co-operative | 2010 |
| Jonathan|Evans|Jonathan Evans (politician)}} | Cardiff North | Conservative Party | 2010 |
| Paul|Flynn|Paul Flynn (politician)}} | Newport West | Labour Party | 1987 |
| Hywel|Francis}} | Aberavon | Labour Party | 2001 |
| Nia|Griffith}} | Llanelli | Labour Party | 2005 |
| Peter|Hain}} | Neath | Labour Party | 1991 by-election |
| David|Hanson|David Hanson (politician)}} | Delyn | Labour Party | 1992 |
| Simon|Hart}} | Carmarthen West and Pembrokeshire South | Conservative Party | 2010 |
| Dai|Havard}} | Merthyr Tydfil and Rhymney | Labour Party | 2001 |
| Huw|Irranca-Davies}} | Ogmore | Labour Party | 2002 by-election |
| Siân|James|Siân James (politician)}} | Swansea East | Labour Party | 2005 |
| David|Jones|David Jones (MP for Clwyd West)}} | Clwyd West | Conservative Party | 2005 |
| Susan|Jones}} | Clwyd South | Labour Party | 2010 |
| Elfyn|Llwyd}} | Dwyfor Meirionnydd | Plaid Cymru | 2010 |
| Ian|Lucas}} | Wrexham | Labour Party | 2001 |
| Madeleine|Moon}} | Bridgend | Labour Party | 2005 |
| Jessica|Morden}} | Newport East | Labour Party | 2005 |
| Paul|Murphy|Paul Murphy (British politician)}} | Torfaen | Labour Party | 1987 |
| Albert|Owen}} | Ynys Môn | Labour Party | 2001 |
| Chris|Ruane}} | Vale of Clwyd | Labour Party | 1997 |
| Nick|Smith|Nick Smith (British politician)}} | Blaenau Gwent | Labour Party | 2010 |
| Owen|Smith|Owen Smith (politician)}} | Pontypridd | Labour Party | 2010 |
| Mark|Tami}} | Alyn and Deeside | Labour Party | 2001 |
| Hywel|Williams}} | Arfon | Plaid Cymru | 2001 |
| Mark|Williams|Mark Williams (politician)}} | Ceredigion | Liberal Democrats | 2005 |
| Roger|Williams|Roger Williams (British politician)}} | Brecon and Radnorshire | Liberal Democrats | 2001 |
| Jenny|Willott}} | Cardiff Central | Liberal Democrats | 2005 |
|