This is a list of Social Democratic and Labour Party MPs. It includes all Members of Parliament elected to the British House of Commons representing the Social Democratic and Labour Party. Members of the European Parliament are not listed.
- Mark Durkan, Foyle, 2005–present
- Gerry Fitt, Belfast West, 1970 - 80 ¹
- Joe Hendron, Belfast West, 1992–97
- John Hume, Foyle, 1983 - 2005
- Alasdair McDonnell, Belfast South, 2005–present
- Eddie McGrady, South Down, 1987 - 2010
- Seamus Mallon, Newry and Armagh, 1986 - 2005
- Margaret Ritchie, South Down, 2010–present
- ¹ Elected for the Republican Labour Party in 1966 and 1970; became an "Independent Socialist" MP in 1980.