David William Parker (born 1960) is a New Zealand Labour Party politician who currently serves as Attorney-General, Minister for the Environment, Minister of Oceans and Fisheries, Minister of Revenue and Associate Minister of Finance in the Sixth Labour Government. He previously served as a Cabinet Minister in the Fifth Labour Government and as interim Leader of the Labour Party from September to November 2014. He represented the Otago electorate at the 47th Parliament and has since served as a list MP.