Martinus Hendricus Petrus "Martijn" van Dam (born 1 February 1978) is a Dutch engineer and politician. A member of the Labour Party (PvdA), he served as State Secretary for Economic Affairs from 3 November 2015 until 1 September 2017 in the Second Rutte cabinet. He was a member of the House of Representatives between 2003 and 2015. He previously served as councillor for the municipality of Eindhoven from April 1998 to January 2003. From the time he entered the States General on 30 January 2003 to 29 November 2006 he was the youngest member of the House.