Eugeniusz Geno Malkowski (Polish pronunciation: [?u'g??u? 'g?n? mau'k?fski]; 5 September 1942 – 20 August 2016) was a Polish painter.
Malkowski was a professor of contemporary art at the University of Warmia and Mazury in Olsztyn, founder of artistic groups and associations throughout Poland, organizer of modern art exhibitions, and popularizer of art.
He was known for his speed painting happenings in which he invited people to paint together.
In 2005, in Belchatów, he beat the Guinness World Record for the 24-hour-long-painting performance.