Mark Christopher Butler (born 8 July 1970) has been the Australian Labor Party representative for the electoral division of Port Adelaide in north-western Adelaide, South Australia since the 2007 federal election. Butler was the Minister for Climate Change and Minister for the Environment, Heritage and Water in the Second Rudd Ministry. He was educated at the University of Adelaide where he graduated with a Bachelor of Arts and Bachelor of Laws. He holds a Master of International Relations from Deakin University.