Jan Heemskerk Abrahamszoon (Dutch pronunciation: [jɑn ˈɦeːmskɛrk ˈaːbraːɦɑmsˌsoːn]; 30 July 1818 – 9 October 1897) was a Dutch politician who served as Prime Minister of the Netherlands from 1874 to 1877, and again from 1883 to 1888. His son, Theo Heemskerk also served as Prime Minister.