Mark Durkan (born 26 June 1960) is a retired Irish nationalist politician from Northern Ireland.

Durkan was the deputy First Minister of Northern Ireland from November 2001 to October 2002, and the Leader of the Social Democratic and Labour Party (SDLP) from 2001 to 2010.

[3] John Mark Durkan was born in Derry, County Londonderry; his father, Brendan, was a Royal Ulster Constabulary District Inspector in Armagh.

While down on Hume's vote, Durkan won with a comfortable majority, despite a strong effort by Sinn Féin to take the seat.

[6] Durkan announced his intention to stand down as leader of the SDLP in September 2009[7] so he could concentrate on his parliamentary career.

[10] He joined Fine Gael in March 2019 to contest the 2019 European Parliament election for the Dublin constituency but failed to gain a seat.