This is a list of Social Democratic Party MPs. It includes all members of Parliament elected to the British House of Commons representing the Social Democratic Party. Members of the European Parliament are not listed.
Bruce Douglas-Mann, Labour Party MP for Mitcham and Morden, is not included as immediately on his change of allegiance he stood down, forcing a by-election, which he lost.
Member Constituency Years served Rosie Barnes Greenwich 1987 – 1988 1 Tom Bradley Leicester East 1981 – 1983 2 Christopher Brocklebank-Fowler North West Norfolk 1981 – 1983 3 Ronald Brown Hackney South and Shoreditch 1981 – 1983 2John Cartwright Woolwich East 1981 – 1983 2 Woolwich 1983 – 1988 1 Richard Crawshaw Liverpool Toxteth 1981 – 1983 2 George Cunningham Islington South and Finsbury 1981 – 1983 2 Ednyfed Hudson Davies Caerphilly 1981 – 1983 2 James Dunn Liverpool Kirkdale 1981 – 1983 2 Tom Ellis Wrexham 1981 – 1983 2 David Ginsburg Dewsbury 1981 – 1983 2 John Grant Islington Central 1981 – 1983 2 Mike Hancock Portsmouth South 1984 – 1987 4 John Horam Gateshead West 1981 – 1983 2, 5 Roy Jenkins Glasgow Hillhead 1982 – 1987 6 Charles Kennedy Ross, Cromarty and Skye 1983 – 1988 7 Edward Lyons Bradford West 1981 – 1983 2 Dickson Mabon Greenock and Port Glasgow 1981 – 1983 2 Robert Maclennan Caithness and Sutherland 1981 – 1988 2, 7 Bryan Magee Leyton 1982 – 1983 2 Thomas McNally Stockport South 1981 – 1983 2 Bob Mitchell Southampton Itchen 1981 – 1983 2 Michael O'Halloran Islington North 1981 – 1983 2, 8 Eric Ogden Liverpool West Derby 1981 – 1983 2 David Owen Plymouth Devonport 1981 – 1988 1, 2 William Rodgers Stockton-on-Tees 1981 – 1983 2 John Roper Farnworth 1981 – 1983 2 Neville Sandelson Hayes and Harlington 1981 – 1983 2 Jeffrey Thomas Abertillery1981 – 1983 2 Mike Thomas Newcastle upon Tyne East 1981 – 1983 2 James Wellbeloved Erith and Crayford 1981 – 1983 2 Shirley Williams Crosby 1981 – 1983 6Ian Wrigglesworth Thornaby 1981 – 1983 Stockton South 1983 – 1987 2
1 Joined David Owen's 'Continuing' Social Democratic Party in 1988, then became an Independent Social Democrat MP from 1990 to 1992. 2 Sitting Labour Party MP who joined the SDP. 3 Sitting Conservative Party MP who joined the SDP. 4 Later elected as a Liberal Democrat MP. 5 Later elected as a Conservative MP. 6 Previously elected as a Labour MP. 7 Joined the Liberal Democrats on their formation in 1988. 8 Subsequently left the SDP to sit as an independent Labour MP.
Graphical representation (1981–88) Also includes the continuing SDP from 1988. Constituency198181828319838487198788Plymouth DevonportWoolwich East / Woolwich (1983)Caithness and SutherlandThornaby / Stockton South (1983)Greenock & Port GlasgowStockport SouthGateshead WestStockton-on-TeesSouthampton ItchenFarnworthLiverpool KirkdaleLiverpool ToxtethLiverpool West DerbyLeicester EastHayes and HarlingtonHackney S & ShoreditchIslington CentralErith and CrayfordNorth West NorfolkNewcastle upon Tyne EastBradford WDewsburyWrexhamAbertilleryCaerphillyIslington NorthCrosbyIslington S & FinsburyLeytonGlasgow HillheadRoss, Cromarty and SkyePortsmouth SouthGreenwichConstituency198181828319838487198788No. of SDP MPs2627302967853
See also Social Democratic Party election results