Jan Ladislav Dussek (baptized Jan Václav Dusík, with surname also written as Duschek or Düssek; February 12, 1760 – March 20, 1812) was a Czech composer and pianist. He was an important representative of Czech music abroad in the second half of the 18th century and the beginning of the 19th century. Some of his more forward-looking piano works have traits often associated with Romanticism.