Stefan Filipkiewicz pronounced [ˈstɛfan filipˈkʲɛvit͡ʂ] (28 July 1879, Tarnów, Austria-Hungary–23 August 1944, Mauthausen-Gusen concentration camp, Nazi Germany) was a Polish painter and designer, notable for his landscapes inspired by the Young Poland movement.
He was a leading representative of the Polish Art Nouveau style of painting.
He became the contributing artist to the legendary Zielony Balonik art-and-literary cabaret.
In 1929, Filipkiewicz was awarded the Golden Medal of the Universal Exhibition in Poznań.
During the 1939 Invasion of Poland he fled to Hungary, where he became an active member of several underground organizations.