David Richard Cunliffe is a New Zealand management consultant and former politician who was Leader of the New Zealand Labour Party and Leader of the Opposition from September 2013 to September 2014. He was Member of Parliament (MP) for Titirangi and then New Lynn for the Labour Party between 1999 and 2017. He served as the Minister of Health, Minister for Communications and Information Technology and Minister of Immigration for the Fifth Labour Government of New Zealand from October 2007 until November 2008.

The leader of the Labour Party is the highest-ranked political position within the New Zealand Labour Party, who serves as the parliamentary leader and leading spokesperson of the party. The current leader is Chris Hipkins, after Jacinda Ardern resigned.