The Kunst Museum Winterthur (The Winterthur Museum of Art) is an art museum in Winterthur, Switzerland run by the local Kunstverein. From its beginnings, the activities of the Kunstverein Winterthur were focused on contemporary art – first Impressionism, then Post-Impressionism and especially Les Nabis, through post-World War II and recently created works by Richard Hamilton, Mario Merz and Gerhard Richter.