Mount Roskill is a parliamentary electorate in Auckland, New Zealand, returning one Member of Parliament (MP) to the New Zealand House of Representatives. Phil Goff of the Labour Party held the seat from the 1999 election until he resigned from Parliament on 12 October 2016 after contesting and being elected Mayor of Auckland on 8 October 2016 in the 2016 mayoral election. His resignation necessitated a byelection in this electorate which was won by Michael Wood.