Hans Heysen (October 8, 1877 – July 2, 1968) was a German-born Australian artist. He is one of Australia's best known landscape painters, and became a household name for his watercolor paintings of monumental Australian gum trees. Heysen also produced images of men and animals toiling in the Australian bush, as well as groundbreaking depictions of arid landscapes in the Flinders Ranges. He won the Wynne Prize for landscape painting a record 9 times. He was the father of artist Nora Haysen.